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HJ 799-2016Ambient air - Determination of the water soluble anions (F-, Cl-, Br-, NO2-, NO3-, PO43-, SO32-, SO42-) from atmospheric particles - Ion chromatography (English PDF)

环境空气颗粒物中水溶性阴离子（F-、Cl-、Br-、NO2-、NO3-、PO43-、SO32-、SO42-）的测定离子色谱法

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Issued by

Ministry of Environmental Protection

Level / Type

National · Mandatory

Issue date

May 13, 2016

Implementation date

August 1, 2016

Scope

HJ 799-2016 is the English-translated version of 环境空气颗粒物中水溶性阴离子（F-、Cl-、Br-、NO2-、NO3-、PO43-、SO32-、SO42-）的测定离子色谱法.

HJ 799-2016 — This standard specifies ion chromatography for the determination of water- soluble anions (F-, Cl-, Br-, NO2-, NO3-, PO43-, SO32-, SO42-) in ambient airborne particles.

This standard applies to the determination of 8 kinds of water-soluble anions (F-, Cl-, Br-, NO2-, NO3-, PO43-, SO32-, SO42-) in the ambient airborne particles (TSP, PM10, PM2.5, dustfall, etc.).

As for the filter sample of ambient airborne particles, when the sampling volume is 60 m3 (standard state), the extract volume is 100 ml, AND the sample injection volume is 25 µl, the detection limit of this method is 0.010 µg/m3 ~

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Document preview — HJ 799-2016

National Standard of the People's Republic of China

Issued by: Ministry of Environmental Protection

Foreword...3
1 Scope...4
2 Normative references...4
3 Terms and definitions...5
4 Principles of the method...5
5 Interference and elimination...5
6 Reagents and materials...6
7 Instrument and equipment...10
8 Samples...11
9 Analysis steps...12
10 Results calculation and presentation...14
11 Precision and accuracy...15
12 Quality assurance and quality control...16
13 Waste disposal...17
14 Precautions...17

Foreword

This standard is formulated for the purpose of implementing the Law of the

People's Republic of China on Environmental Protection and the Law of the

People's Republic of China on the Prevention and Control of Atmospheric

Pollution, protecting the environment, safeguarding human health, AND

regulating the determination method of water-soluble anions in ambient

airborne particles.

This standard specifies the ion chromatography method for the determination

of eight water-soluble anions (F-, Cl-, Br-, NO2-, NO3-, PO43-, SO32-, SO42-) in the

ambient airborne particles (TSP, PM10, PM2.5, dustfall, etc.).

This standard is firstly issued.

Appendix A of this standard is a normative appendix, AND Appendix B and

Appendix C are informative appendixes.

This standard is formulated under the organization of the Department of

Science, Technology and Standards of the Ministry of Environmental Protection.

The main drafting organizations of this standard. Gansu Provincial

Environmental Monitoring Center Station.

The verification organizations of this standard. College of Chemistry and

Chemical Engineering of Xiamen University, Center for Analysis and Testing of

Guangzhou University, Environmental Research Center of Chinese Academy

of Sciences, Jiayuguan City Environmental Monitoring Station, Environmental

Monitoring Station of Hulunbeir of Inner Mongolia, Guangdong Polytechnic of

Environmental Protection Engineering, Jingmen Environmental Protection

Monitoring Station.

This standard was approved by the Ministry of Environmental Protection on

May 13, 2016.

This standard has been implemented since August 1, 2016.

As for this standard, the Ministry of Environmental Protection is responsible for

its interpretation.

Ambient air - Determination of the water soluble

anions (F-, Cl-, Br-, NO2-, NO3-, PO43-, SO32-, SO42-) from

atmospheric particles - Ion chromatography

Warning. The chemical reagents used in the experiment such as sodium

fluoride and sodium nitrite are harmful to human health. WEAR protective

equipment in accordance with the regulations, and AVOID contact with

skin and clothing.

1 Scope

This standard specifies ion chromatography for the determination of water-

soluble anions (F-, Cl-, Br-, NO2-, NO3-, PO43-, SO32-, SO42-) in ambient airborne

particles.

This standard applies to the determination of 8 kinds of water-soluble anions

(F-, Cl-, Br-, NO2-, NO3-, PO43-, SO32-, SO42-) in the ambient airborne particles

(TSP, PM10, PM2.5, dustfall, etc.).

As for the filter sample of ambient airborne particles, when the sampling volume

is 60 m3 (standard state), the extract volume is 100 ml, AND the sample

injection volume is 25 µl, the detection limit of this method is 0.010 µg/m3 ~

0.085 µg/m3, AND the lower detection limit is 0.040 µg/m3 ~ 0.340 µg/m3. As for

the dustfall sample, when the sample injection amount is 0.100 g, the extract

volume is 100 ml, AND the sample injection volume is 25 µl, the detection limit

of this method is 0.006 µg/g ~ 0.051 µg/g, AND the lower detection limit is 0.024

µg/g ~ 0.204 µg/g. As for details, SEE Appendix A.

Note 1. This method is also applicable to the analysis of samples collected from

particles such as dust aerosols and dust storms in special weather conditions.

2 Normative references

The following documents or the terms thereof are referenced in this standard.

For undated references, the valid version of the referenced document applies

to this standard.

GB/T 15265 Ambient air - Determination of dustfall - Gravimetric method

GB/T 15432 Ambient air - Determination of total suspended particulates -

Gravimetric method

HJ 93 Specifications and test procedures for PM10 and PM2.5 sampler

HJ 618 Determination of atmospheric articles PM10 and PM2.5 in ambient

air by gravimetric method

HJ/T 194 Manual methods for ambient air quality monitoring

HJ/T 374 Technical requirement and test procedures for total suspended

particulates sampler

HJ/T 375 Technical requirement and test procedures for ambient air sampler

3 Terms and definitions

The following terms and definitions apply to this standard.

3.1 Ambient air atmospheric particles

It refers to the ambient air atmospheric particles collected on the filter

membrane the sampling device (including TSP, PM10, PM2.5, etc.), OR the

ambient air dustfall collected through such collection devices as dust cylinder.

3.2 Water-soluble anions

It refers to the anions of the ambient air atmospheric particles which are

dissolved in deionized water without adding chemical reagent. The water-

soluble anions determined by this method include F-, Cl-, Br-, NO2-, NO3-, PO43-,

SO32-, SO42-.

4 Principles of the method

The ambient air atmospheric particle samples collected is, after being subjected

to ultrasonic extraction by deionized water AND exchange and separation by

anion chromatographic column, detected by a suppressed conductivity detector.

MAKE qualitative determination based on the retention time; and MAKE

quantitative determination based on peak height of peak area.

5 Interference and elimination

5.1 For the 2 kinds of anion with similar retention time, when the concentration

of the 2 kinds of anions is greatly different that it affects the determination of the

6.17 Nitrate ion standard stock solution. rho (NO3-) = 1000 mg/L.

Accurately WEIGH 1.6304 g of potassium nitrate (6.5); DISSOLVE it into

appropriate amount of water; TRANSFER it into a 1000 ml volumetric flask;

USE water to dilute it to the mark; MIX it uniformly. TRANSFER it into the

polyethylene bottle; KEEP it sealed at below 4 °C in the dark; AND it can be

preserved for 6 months. It may also purchase the commercially available

certified standard materials.

6.18 Phosphate ion standard stock solution. rho (PO43-) = 1000 mg/L.

Accurately WEIGH 1.4316 g of potassium dihydrogen phosphate (6.6);

DISSOLVE it into appropriate amount of water; TRANSFER it into a 1000 ml

volumetric flask; USE water to dilute it to the mark; MIX it uniformly. TRANSFER

it into the polyethylene bottle; KEEP it sealed at below 4 °C in the dark; AND it

can be preserved for 1 month. It may also purchase the commercially available

certified standard materials.

6.19 Sulfite ion standard stock solution. rho (SO32-) = 1000 mg/L.

Accurately WEIGH 1.5750 g sodium sulfite (6.7); DISSOLVE it into appropriate

amount of water; TRANSFER it into a 1000 ml volumetric flask; ADD 1 ml of

formaldehyde (6.8) to prevent oxidation of SO32-; USE water to dilute it to the

mark; MIX it uniformly. TRANSFER it into the polyethylene bottle; KEEP it

sealed at below 4 °C in the dark; AND it can be preserved for 1 month.

6.20 Sulfate ion standard stock solution. rho (SO42-) = 1000 mg/L.

Accurately WEIGH 1.4792 g anhydrous sodium sulfate (6.9); DISSOLVE it into

appropriate amount of water; TRANSFER it into a 1000 ml volumetric flask;

USE water to dilute it to the mark; MIX it uniformly. TRANSFER it into the

polyethylene bottle; KEEP it sealed at below 4 °C in the dark; AND it can be

preserved for 6 months. It may also purchase the commercially available

certified standard materials.

6.21 Mixed standard solution

Respectively PIPETTE 10.0 ml of fluoride ion standard stock solution (6.13),

100.0 ml of chloride ion standard stock solution (6.14), 10.0 ml of bromide ion

standard stock solution (6.15), 10.0 ml of nitrite...

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 17 pages — is available in the English PDF.

Referenced standards

Normative references

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