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GB 13456-2012[Including 2020XG1] Discharge standard of water pollutants for iron and steel industry (English PDF)

钢铁工业水污染物排放标准

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Issued by

Ministry of Environmental Protection, General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

Level / Type

National · Mandatory

Issue date

September 3, 2012

Implementation date

October 1, 2012

Scope

GB 13456-2012 is the English-translated version of 钢铁工业水污染物排放标准.

This standard specifies the limits, monitoring and monitoring requirements for water pollutants in steel production enterprises or production facilities, as well as standards. Implementation and supervision and other relevant regulations. This standard applies to the management of water pollutant emissions from existing steel production enterprises or production facilities. This standard applies to the environmental impact assessment of steel industry construction projects, environmental protection facilities design, completed environmental protection Acceptance and management of water pollutant discharge after production. This standard does not apply to the discharge management of iron ore mining wastewater, coking wastewater and ferroalloy wastewater in steel production enterprises. This standard applies to the discharge of pollutants permitted by law. Site…

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Document preview — GB 13456-2012

National Standard of the People's Republic of China

ICS: 13.040.20
Classification: Z 63
Replacing: GB 13456-1992

Issued by: Ministry of Environmental Protection, General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

Foreword
1 Scope of application
2 Normative references
3 Terms and definitions
3.1 Iron and steel joint venture
3.2 Steel non-joint ventures
3.3 Sintering
3.4 Ironmaking
3.5 Steelmaking
3.6 Rolling steel
3.7 Existing companies
3.8 New Enterprise
3.9 Direct discharge
3.10 Indirect emissions
3.11 Public sewage treatment system
3.12 Displacement
3.13 Base product displacement
4 Water pollutant emission control requirements
1 pH value 6～9 6～9 6～9 6～9 6～9 6～9
2 suspended matter 50 50 50 50 50 100
3 Chemical oxygen demand (CODcr) 60 60 60 60 80 60.200
4 ammonia nitrogen 8 - 8 - 8 15
5 Total nitrogen 20 - 20 - 20 35
6 Total Phosphorus 1.0 - - - 1.0 2.0
7 Petroleum 5 5 5 5 5 10
8 volatile phenol 0.5 - 0.5 - - 1.0
9 total cyanide 0.5 - 0.5 - 0.5 0.5
10 Fluoride 10 - - 10 10 20
11 total iron a 10 - - - 10 10
12 Total Zinc 2.0 - 2.0 - 2.0 4.0
13 total copper 0.5 - - - 0.5 1.0
14 total arsenic 0.5 0.5 - - 0.5 0.5
15 hexavalent chromium 0.5 - - - 0.5 0.5
16 total chromium 1.5 - - - 1.5 1.5
17 total lead 1.0 - 1.0 - - 1.0
18 total nickel 1.0 - - - 1.0 1.0
19 total cadmium 0.1 - - - 0.1 0.1
20 total mercury 0.05 - - - 0.05 0.05
1 pH value 6～9 6～9 6～9 6～9 6～9 6～9
2 suspended solids 30 30 30 30 30 100
3 Chemical oxygen demand (CODcr) 50 50 50 50 70 50.200
4 ammonia nitrogen 5 - 5 5 5 15
5 Total nitrogen 15 - 15 15 15 35
6 total phosphorus 0.5 - - - 0.5 2.0
7 Petroleum 3 3 3 3 3 10
8 volatile phenol 0.5 - 0.5 - - 1.0
9 total cyanide 0.5 - 0.5 - 0.5 0.5
10 Fluoride 10 - - 10 10 20
11 total iron a 10 - - - 10 10
12 Total Zinc 2.0 - 2.0 - 2.0 4.0
13 total copper 0.5 - - - 0.5 1.0
14 total arsenic 0.5 0.5 - - 0.5 0.5
15 hexavalent chromium 0.5 - - - 0.5 0.5
16 total chromium 1.5 - - - 1.5 1.5
17 total lead 1.0 1.0 1.0 - - 1.0
18 total nickel 1.0 - - - 1.0 1.0
19 total cadmium 0.1 - - - 0.1 0.1
20 total mercury 0.05 - - - 0.05 0.05
1 pH value 6～9 6～9 6～9 6～9 6～9 6～9
2 Suspension 20 20 20 20 20 30
3 Chemical oxygen demand (CODcr) 30 30 30 30 30.200
4 ammonia nitrogen 5 - 5 5 5 8
5 total nitrogen 15 - 15 15 15 20
6 total phosphorus 0.5 - - - 0.5 0.5
7 Petroleum 1 1 1 1 1 3
8 volatile phenol 0.5 - 0.5 - - 0.5
9 total cyanide 0.5 - 0.5 - 0.5 0.5
10 Fluoride 10 - - 10 10 10
11 total iron a 2.0 - - - 2.0 10
12 total zinc 1.0 - 1.0 - 1.0 2.0
13 total copper 0.3 - - - 0.3 0.5
14 total arsenic 0.1 0.1 - - 0.1 0.1
15 hexavalent chromium 0.05 - - - 0.05 0.05
16 total chromium 0.1 - - - 0.1 0.1
17 total lead 0.1 0.1 0.1 - - 0.1
18 total nickel 0.05 - - - 0.05 0.05
19 total cadmium 0.01 - - - 0.01 0.01
20 total mercury 0.01 - - - 0.01 0.01
5 Water pollutant monitoring requirements
1 pH value water quality determination of glass electrode method GB/T 6920-1986
2 Determination of suspended solids suspended solids - Gravimetric method GB/T 11901-1989
4 ammonia nitrogen

Foreword

To implement the Environmental Protection Law of the People's Republic of China, the Law of the People's Republic of China on Water Pollution Prevention and Control, and the Chinese People's Republic

Laws and Regulations such as the National Ocean Environmental Protection Law and the State Council's Decision on Implementing the Scientific Outlook on Development and Strengthening Environmental Protection

And the "Opinions of the State Council on the preparation of the national main functional zone plan" to protect the environment, prevent pollution, and promote the steel industry

The development of art and pollution control technologies, the development of this standard.

This standard specifies the water pollutant discharge limit, monitoring and monitoring requirements of steel production enterprises, excluding iron ore mining, coke

And the production process of ferroalloys.

This standard was first published in.1992.

The main contents of this revision.

-- Prescribed the limits for the discharge of water pollutants from existing enterprises and newly-built enterprises, and eliminated the regulations on the classification and management of sewage.

-- To promote the coordinated development of regional economy and environment, promote the adjustment of economic structure and the transformation of economic growth mode.

To guide the development direction of industrial production processes and pollution control technologies, this standard specifies the special emission limits for water pollutants.

The air pollutants (including odorous pollutants) emitted by steel production enterprises and the environmental noise shall be applied to the corresponding national pollutants.

Standards for the production; identification, treatment and disposal of solid wastes, applicable to national solid waste pollution control standards.

From the date of implementation of this standard, the "Water Industry Pollutant Emission Standards for Steel Industry" (GB 13456-1992) shall be abolished at the same time.

Local provincial people's governments may formulate local pollutant discharge standards for pollutants not specified in this standard;

The pollutants items that have been stipulated in this standard may be formulated with local pollutant discharge standards that are stricter than this standard.

This standard was formulated by the Science and Technology Standards Department of the Ministry of Environmental Protection.

This standard is mainly drafted by. Wuhan Iron and Steel Safety Research Institute of China Steel Group, Environmental Standards Institute of the Ministry of Environmental Protection.

This standard was approved by the Ministry of Environmental Protection on June 15,.2012.

This standard has been implemented since October 1,.2012.

This standard is explained by the Ministry of Environmental Protection.

Iron and steel industry water pollutant discharge standards

1 Scope of application

This standard specifies the limits, monitoring and monitoring requirements for water pollutants in steel production enterprises or production facilities, as well as standards.

Implementation and supervision and other relevant regulations.

This standard applies to the management of water pollutant emissions from existing steel production enterprises or production facilities.

This standard applies to the environmental impact assessment of steel industry construction projects, environmental protection facilities design, completed environmental protection

Acceptance and management of water pollutant discharge after production.

This standard does not apply to the discharge management of iron ore mining wastewater, coking wastewater and ferroalloy wastewater in steel production enterprises.

This standard applies to the discharge of pollutants permitted by law. Site selection and special protection areas for newly established pollution sources

The management of pollution sources shall be in accordance with the Law of the People's Republic of China on the Prevention and Control of Air Pollution and the Law of the People's Republic of China on Prevention and Control of Water Pollution

Law of the People's Republic of China on Marine Environmental Protection, Law of the People's Republic of China on the Prevention and Control of Environmental Pollution by Solid Wastes,

The relevant provisions of laws, regulations and rules, such as the Environmental Impact Assessment Law of the People's Republic of China, are implemented.

The water pollutant emission control requirements specified in this standard are applicable to enterprises directly or indirectly discharging water pollution outside their legal boundaries.

The behavior of the dye.

2 Normative references

The contents of this standard refer to the terms in the following documents.

GB/T 6920-1986 Determination of pH value of water-based glass electrode method

GB/T 7466-1987 Determination of total chromium in water - Potassium permanganate - Dibenzoyl dihydrazide spectrophotometric method

GB/T 7467-1987 Determination of hexavalent chromium in water - Diphenyl hydrazide spectrophotometric method

GB/T 7469-1987 Determination of Mercury in Water - Potassium Permanganate - Potassium Persulfate Digestion Dithizone Spectrophotometric Method

GB/T 7472-1987 Determination of zinc in water -- Dithizone spectrophotometric method

GB/T 7475-1987 Determination of copper, zinc, lead and cadmium - Atomic absorption spectrophotometric method

GB/T 7485-1987 Determination of total arsenic in water - Diethyldithio

GB/T 11893-1989 Determination of total phosphorus in water - Ammonium molybdate spectrophotometric method

GB/T 11894-1989 Determination of total nitrogen in water -- Basic potassium persulfate digestion spectrophotometric method

GB/T 11901-1989 Determination of suspended solids by weight method

GB/T 11910-1989 Determination of nickel in water quality - Dimethylglyoxime spectrophotometric method

Water quality -- Determination of iron and manganese -- Flame atomic absorption spectrophotometric method

GB/T 11912-1989 Determination of nickel in water quality - Flame atomic absorption spectrophotometric method

GB/T 11914-1989 Determination of chemical oxygen demand in water - Potassium dichromate method

Water quality - Determination of petroleum and animal and vegetable oils - Infrared spectrophotometric method

HJ/T 195-2005 Determination of ammonia nitrogen in water quality

HJ/T.199-2005 Determination of total nitrogen in water -- Gas phase molecular absorption spectroscopy

HJ/T 341-2007 Determination of mercury in water quality - Cold atomic fluorescence method (Trial)

HJ/T 345-2007 Determination of iron content - phenanthroline spectrophotometric method

HJ/T 399-2007 Determination of chemical oxygen demand in water quality - Rapid digestion spectrophotometric method

HJ 484-2009 Determination of water cyanide - Volumetric method and spectrophotometric method

Water quality -- Determination of copper -- Diethyldithiocarbamate spectrophotometric method

HJ 487-2009 Determination of fluoride in water quality - Zirconium sulphonate

Water quality - Determination of fluoride - Fluorescence spectrophotometric method

HJ 503-2009 Determination of volatile phenols in water - 4-aminoantipyline spectrophotometric method

HJ 535-2009 Determination of ammonia nitrogen in water quality - Nexus reagent spectrophotometric method

HJ 536-2009 Determination of ammonia nitrogen in water quality - Salicylic acid spectrophotometric method

HJ 537-2009 Determination of ammonia nitrogen in water quality - Distillation - Neutralometric titration

HJ 597-2011 Determination of mercury in water quality - Cold atomic absorption spectrophotometric method

Measures for the Automatic Monitoring and Control of Pollution Sources (Order No. 28 of the State Environmental Protection Administration)

Measures for the Administration of Environmental Monitoring (Order No. 39 of the State Environmental Protection Administration)

3 Terms and definitions

3.1 Iron and steel joint venture

It refers to the iron and steel enterprises that have the basic production process of the steel industry, including at least the production processes of iron making, steel making and steel rolling.

3.2 Steel non-joint ventures

Refers to enterprises that include one or two or more steel industry production processes in addition to steel joint ventures.

3.3 Sintering

Refers to iron ore and other iron-containing raw materials added to the flux and solid fuel, in accordance with the required ratio, mixed with water, granulated, tiled

On the sintering machine trolley, after the ignition is exhausted, the fuel is burned, and the sintering material is partially melted and bonded into a block process, including the ball.

group.

3.4 Ironmaking

Refers to the production process of smelting pig iron by blast furnace. The blast furnace is the main part of the process, and the iron ore is charged from the upper part thereof.

The material and the flux move downward, and the lower part is blown into the air fuel to burn, generating a large amount of high-temperature reducing gas to move upward;

A series of physical and chemical processes such as heating, reduction, melting, slagging, carburizing, and desulfurization, and finally liquid slag and pig iron are formed.

3.5 Steelmaking

Refers to melting, heating, and purifying the charge (such as molten iron, scrap steel, sponge iron, iron alloy, etc.) to make it conform to the composition and purity.

The process of clarity requirements, the production processes involved include. hot metal pretreatment, smelting, refining outside the furnace (secondary metallurgy) and casting

(continuous casting).

3.6 Rolling steel

A process in which a billet billet is heated to be hot rolled or the steel sheet is subjected to cold rolling to a desired finished steel product. This standard

It also includes the processing of coated or coated steel coated with metal or non-metal on the surface of steel.

3.7 Existing companies

Means that the steel production enterprise that has completed the production or environmental impact assessment document has been approved before the date of implementation of this standard or

Production facilities.

3.8 New Enterprise

Refers to the construction of the new, rebuilt and expanded steel industry approved by the environmental impact assessment document from the date of implementation of this standard.

Set up the project.

3.9 Direct discharge

Refers to the behavior of pollutant discharge units directly discharging water pollutants into the environment.

3.10 Indirect emissions

Refers to the behavior of sewage units discharging water pollutants to public sewage treatment systems.

3.11 Public sewage treatment system

Refers to the collection of wastewater through sewage pipelines, providing wastewater treatment services to more than two sewage disposal units and drainage

Enterprises or institutions that meet the relevant emission standards, including urban sewage treatment plants of various sizes and types, and regions (including

All kinds of industrial parks, development zones, industrial gathering places, etc.) wastewater treatment plants, etc., the degree of wastewater treatment should reach two or two

the above.

3.12 Displacement

Refers to the amount of wastewater discharged by a production facility or enterprise outside the legal boundaries of the enterprise, including direct or indirect relationship with production.

Various types of effluent wastewater (such as domestic sewage, cooling wastewater, plant boilers and power station drainage).

3.13 Base product displacement

Refers to the upper limit of the wastewater discharge amount of the production unit product specified for the approval of the discharge concentration of water pollutants.

4 Water pollutant emission control requirements

4.1 From October 1,.2012 to December 31,.2014, existing companies implement the water pollutant discharge limits specified in Table 1.

Table 1 Limits of water pollutant discharge concentration of existing enterprises and base product displacement of unit products

Unit. mg/L (except pH)

Serial number pollutant project

Limit

Pollutant emission monitoring location

Direct discharge

Indirect discharge of steel

joint

enterprise

Steel non-joint venture

sintering

(Pellet) Ironmaking Steelmaking

Rolling steel

Cold rolling hot rolling

1 pH value 6～9 6～9 6～9 6～9 6～9 6～9

Corporate wastewater discharge

2 suspended matter 50 50 50 50 50 100

3 Chemical oxygen demand (CODcr) 60 60 60 60 80 60.200

4 ammonia nitrogen 8 - 8 - 8 15

5 Total nitrogen 20 - 20 - 20 35

6 Total Phosphorus 1.0 - - - 1.0 2.0

7 Petroleum 5 5 5 5 5 10

8 volatile phenol 0.5 - 0.5 - - 1.0

9 total cyanide 0.5 - 0.5 - 0.5 0.5

10 Fluoride 10 - - 10 10 20

11 total iron a 10 - - - 10 10

12 Total Zinc 2.0 - 2.0 - 2.0 4.0

13 total copper 0.5 - - - 0.5 1.0

14 total arsenic 0.5 0.5 - - 0.5 0.5

Workshop or production facility wastewater

exhaustion hole

15 hexavalent chromium 0.5 - - - 0.5 0.5

16 total chromium 1.5 - - - 1.5 1.5

17 total lead 1.0 - 1.0 - - 1.0

18 total nickel 1.0 - - - 1.0 1.0

19 total cadmium 0.1 - - - 0.1 0.1

20 total mercury 0.05 - - - 0.05 0.05

Unit production

Product benchmark

Displacement

(m3/t)

Steel Union b 2.0

Displacement measurement position and pollution

Dye discharge monitoring position

Sintering, ball

Group 0.05

Ironmaking

Steelmaking 0.1

Rolling steel 1.8

Note. a. Execute this limit when the pH of the discharged wastewater is less than 7.

b. The products of the iron and steel complex are based on crude steel.

4.2 As of January 1,.2015, existing companies implement the water pollutant discharge limits specified in Table 2.

4.3 From October 1,.2012, the newly-built enterprise shall implement the water pollutant discharge limit specified in Table 2.

Table 2 Limits of water pollutant discharge concentration of new enterprises and base product displacement

Unit. mg/L (except pH)

Serial number pollutant project

Limit

Pollutant emission monitoring location

Direct discharge

Indirect discharge of steel

joint

enterprise

Steel non-joint venture

sintering

(Pellet) Ironmaking Steelmaking

Rolling steel

Cold rolling hot rolling

1 pH value 6～9 6～9 6～9 6～9 6～9 6～9

Corporate wastewater discharge

2 suspended solids 30 30 30 30 30 100

3 Chemical oxygen demand (CODcr) 50 50 50 50 70 50.200

4 ammonia nitrogen 5 - 5 5 5 15

5 Total nitrogen 15 - 15 15 15 35

6 total phosphorus 0.5 - - - 0.5 2.0

7 Petroleum 3 3 3 3 3 10

8 volatile phenol 0.5 - 0.5 - - 1.0

9 total cyanide 0.5 - 0.5 - 0.5 0.5

10 Fluoride 10 - - 10 10 20

11 total iron a 10 - - - 10 10

12 Total Zinc 2.0 - 2.0 - 2.0 4.0

13 total copper 0.5 - - - 0.5 1.0

14 total arsenic 0.5 0.5 - - 0.5 0.5

Workshop or production facility wastewater

exhaustion hole

15 hexavalent chromium 0.5 - - - 0.5 0.5

16 total chromium 1.5 - - - 1.5 1.5

17 total lead 1.0 1.0 1.0 - - 1.0

18 total nickel 1.0 - - - 1.0 1.0

19 total cadmium 0.1 - - - 0.1 0.1

20 total mercury 0.05 - - - 0.05 0.05

Unit production

Product benchmark

Displacement

(m3/t)

Steel Union b 1.8

Displacement measurement position and pollution

Dye discharge monitoring position

Sintering, ball

Group, ironmaking 0.05

Steelmaking 0.1

Rolling steel 1.5

Note. a. Execute this limit when the pH of the discharged wastewater is less than 7.

b. The products of the iron and steel complex are based on crude steel.

4.4 According to the requirements of environmental protection work, the density of land development has been high, the environmental carrying capacity has begun to weaken, or the environment

Areas with small capacity, fragile ecological environment, and prone to serious environmental pollution problems and requiring special protection measures should

Strictly control the pollutant discharge behavior of enterprises, and the enterprises in the above-mentioned areas shall implement the special discharge limit of water pollutants specified in Table 3.

The geographical scope and time for the implementation of special discharge limits for water pollutants shall be administered by the environmental protection administrative department of the State Council or the provincial level.

The people's government regulations.

Table 3 Special limits for water pollutants

Serial number pollutant project

Limit

Pollutant emission monitoring location

Direct discharge

Indirect discharge of steel

joint

enterprise

Steel non-joint venture

sintering

(Pellet) Ironmaking Steel Rolling

1 pH value 6～9 6～9 6～9 6～9 6～9 6～9

Corporate wastewater discharge

2 Suspension 20 20 20 20 20 30

3 Chemical oxygen demand (CODcr) 30 30 30 30 30.200

4 ammonia nitrogen 5 - 5 5 5 8

5 total nitrogen 15 - 15 15 15 20

6 total phosphorus 0.5 - - - 0.5 0.5

7 Petroleum 1 1 1 1 1 3

8 volatile phenol 0.5 - 0.5 - - 0.5

9 total cyanide 0.5 - 0.5 - 0.5 0.5

10 Fluoride 10 - - 10 10 10

11 total iron a 2.0 - - - 2.0 10

12 total zinc 1.0 - 1.0 - 1.0 2.0

13 total copper 0.3 - - - 0.3 0.5

14 total arsenic 0.1 0.1 - - 0.1 0.1

Workshop or production facility wastewater

exhaustion hole

15 hexavalent chromium 0.05 - - - 0.05 0.05

16 total chromium 0.1 - - - 0.1 0.1

17 total lead 0.1 0.1 0.1 - - 0.1

18 total nickel 0.05 - - - 0.05 0.05

19 total cadmium 0.01 - - - 0.01 0.01

20 total mercury 0.01 - - - 0.01 0.01

Unit production

Product benchmark

Displacement

(m3/t)

Steel Union b 1.2

Displacement measurement position and pollution

Dye discharge monitoring position

Sintering, ball

Group, ironmaking 0.05

Steelmaking 0.1

Rolling steel 1.1

Note. a. Execute this limit when the pH of the discharged wastewater is less than 7.

b. The products of the iron and steel complex are based on crude steel.

4.5 The concentration limit of water pollutant discharge is applicable to the case where the actual displacement of the unit product is not higher than the unit discharge of the unit product.

If the actual displacement of a unit product exceeds the unit product's baseline displacement, the measured water pollutant concentration shall be converted according to formula (1).

For the water pollutants, the reference water discharge concentration, and the water pollutants reference water discharge concentration as the basis for determining whether the emissions meet the standards

according to. The product production and displacement statistics cycle is one business day.

Different emission control can be applied to two or more processes in the production facilities of the enterprise or two or more products at the same time.

In the case of requirements or national pollutant discharge standards in different industries, and the sewage generated by the production facilities is mixed and treated,

Execute the most stringent concentration limits specified in the emission standards and convert the water pollutants baseline water discharge concentration according to formula (1).

Base = rhorho ×sum iiQ

(1)

In the formula.

Base rho-water pollutant reference water discharge concentration, mg/L;

Total Q -- the total amount of measured drainage, m3;

iY -- the output of the i-th product, t;

Base iQ - the unit product base displacement of the i-th product, m3/t;

Real rho -- measured water pollutant concentration, mg/L.

If the ratio of total Q to sum iiQY is less than 1, then the measured concentration of water pollutants is used as the basis for determining whether the emission is up to standard.

according to.

5 Water pollutant monitoring requirements

5.1 Sampling of wastewater discharged by enterprises shall be carried out according to the type of pollutants to be monitored and at the monitoring location of the specified pollutant discharge.

If there is a wastewater treatment facility, it should be monitored after the treatment facility. A permanent drain outlet sign shall be provided at the pollutant discharge monitoring location.

5.2 The requirements for the installation of automatic monitoring equipment for pollutant discharge in newly-built enterprises and existing enterprises shall be automatically in accordance with relevant laws and

The provisions of the Monitoring and Management Measures are implemented.

5.3 Frequency, sampling time and other requirements for monitoring the discharge of pollutants from enterprises, according to relevant national pollution source monitoring technologies

The implementation of the regulations.

5.4 The verification of the output of the enterprise products shall be based on the statutory statements.

5.5 The enterprise shall monitor the discharge status according to the relevant laws and the "Measures for the Administration of Environmental Monitoring" and save the original

Start monitoring records.

5.6 The method standards listed in Table 4 are used to determine the concentration of pollutants discharged from enterprises.

Table 4 Standards for determination of water pollutant concentration

No. Contaminant Project Method Standard Name Method Standard Number

1 pH value water quality determination of glass electrode method GB/T 6920-1986

2 Determination of suspended solids suspended solids - Gravimetric method GB/T 11901-1989

3 Chemical oxygen demand water quality Determination of chemical oxygen demand - Potassium dichromate method GB/T 11914-1989 Determination of chemical oxygen demand in water quality Rapid digestion spectrophotometric method HJ/T 399-2007

4 ammonia nitrogen

Water quality - Determination of ammonia nitrogen - Gas phase molecular absorption spectroscopy HJ/T 195-2005

Determination of ammonia nitrogen in water quality - Nachite reagent spectrophotometric method HJ 535-2009

Water quality - Determination of ammonia nitrogen - Salicylic acid spectrophotometric method HJ 536-2009

Determination of ammonia nitrogen in water quality - Distillation - Neutralometric titration method HJ 537-2009

5 Determination of total nitrogen in total nitrogen - Alkaline potassium persulfate digestion - UV spectrophotometric method GB/T 11894-1989 Determination of total nitrogen in water quality Gas-phase molecular absorption spectroscopy method HJ/T.199-2005

6 Total phosphorus phosphorus - Determination of total phosphorus - Ammonium molybdate spectrophotometric method GB/T 11893-1989

7 Petroleum water quality - Determination of petroleum - Infrared spectrophotometric method GB/T 16488-1996

8 Volatile phenols - Determination of volatile phenols - 4-aminoantipyline spectrophotometric method HJ 503-2009

9 Determination of Fluoride in Fluoride Water - Zirconium Sulfate - Visual Colorimetric Method HJ 487-2009 Determination of Fluoride in Water - Fluorescence Spectrophotometric Method HJ 488-2009

10 Cyanide water quality - Determination of cyanide - Volumetric method and spectrophotometric method HJ 484-2009

11 Determination of iron and manganese in total irons - Flame atomic absorption spectrophotometric method GB/T 11911-1989 Determination of water iron - phenanthroline spectrophotometric method HJ/T 345-2007

Determination of copper, zinc, lead and cadmium in total zinc - Atomic absorption spectrophotometric method GB/T 7475 -1987 Determination of zinc in water - Dithizone spectrophotometric method GB/T 7472-1987

Determination of copper, zinc, lead and cadmium in total copper. Atomic absorption spectrophotometric method GB/T 7475-1987 Determination of copper in water - Diethyldithiocarbamate spectrophotometric method HJ 485-2009

14 Determination of arsenic in total arsenic - Determination of arsenic - Diethyldithiosamine potassium hydride spectrophotometric method GB/T 7485-1987

15 Total chrome - Determination of total chromium - Potassium permanganate - Diphenyl carbonyl hydrazide spectrophotometric method GB/T 7466-1987

Determination of hexavalent chromium in hexavalent chromium - Diphenylcarbazide spectrophotometric method GB/T 7467-1987

17 Total lead water quality - Determination of copper, zinc, lead and cadmium atomic absorption spectrophotometric method GB/T 7475-1987

Determination of nickel in total nickel - Determination of nickel - Determination of succinimide spectrophotometric method GB/T 11910-1989 Determination of nickel in water quality Flame atomi...

END: Draft Version (GB 13456-2012)

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 7469-1987 · GB/T 7475-1987 · GB/T 7485-1987 · GB/T 11894-1989 · GB/T 11910-1989 · GB/T 11912-1989 · GB/T 11914-1989

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