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HJ/T 296-2006Technical requirement for environmental labeling products. Sanitary wares (English PDF)

环境标志产品技术要求 卫生陶瓷

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Issued by

State Bureau of Environmental Protection

Level / Type

National · Recommended

Issue date

August 23, 2006

Implementation date

September 1, 2006

Scope

HJ/T 296-2006 is the English-translated version of 环境标志产品技术要求 卫生陶瓷.

HJ/T 296-2006 — This Standard specifies the definition, basic requirements, technical content and inspection methods for the sanitary ceramics of environmental labeling products.

This Standard is applicable to sanitary ceramic products such as washbasins, toilets, urinals, bidets, washing tanks, squatting pans, bathtubs, etc.

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Document preview — HJ/T 296-2006

National Standard of the People's Republic of China

Issued by: State Bureau of Environmental Protection

Contents

  • Foreword...4
  • 1 Scope...6
  • 2 Normative References...6
  • 3 Terms and Definitions...6
  • 4 Basic Requirements...7
  • 5 Technical Contents...8
  • 6 Inspection Methods...8

Foreword

In order to implement the Environmental Protection Law of the People's Republic of

China; effectively use and save resources; reduce the impact of sanitary ceramics on

the environment and human health in the production, use and disposal process; and

guide and promote the production and use of environmentally friendly products; this

Standard is formulated.

This Standard stipulates the soluble lead and cadmium content limits of sanitary

ceramics in accordance with the environmental standards in "Civil Engineering and

Civil Building Materials" of South Korea. The radioactive specific activity index of

sanitary ceramics is formulated based on the use of raw materials for sanitary ceramics

in China. The principle of saving-water stipulates the maximum water consumption of

the toilet; meanwhile, it stipulates the recycling rate of industrial waste generated

during the production of sanitary ceramics.

This Standard has partially modified the technical contents of Certifiable Technical

Requirement for Environmental Labeling Products – Sanitary Ceramics (HBC 16-

2003).

Compared with the Certifiable Technical Requirement for Environmental Labeling

Products – Sanitary Ceramics (HBC 16-2003), the main changes of this Standard are

as follows.

--- Add the requirements for soluble lead and cadmium in sanitary ceramics, the

requirements for the maximum water consumption of urinals and squatting pans,

and the requirements for the recycling rate of industrial waste generated during

the production of sanitary ceramics;

--- Modify the radioactive specific activity index of sanitary ceramics;

--- Delete the requirements for water absorption and crack resistance of sanitary

ceramics.

This Standard is a recommended standard, applicable to the certification of

environmental labeling products in China.

This Standard was proposed by the Department of Science & Technology, and

Standards of the State Bureau of Environmental Protection.

Chief drafting organizations of this Standard. Environmental Development Center of

State Bureau of Environmental Protection; and National Research Center for Testing

Techniques for Building Materials.

This Standard was approved by the State Bureau of Environmental Protection on

August 23, 2006.

Technical Requirement for Environmental Labeling

Products – Sanitary Wares

1 Scope

This Standard specifies the definition, basic requirements, technical content and

inspection methods for the sanitary ceramics of environmental labeling products.

This Standard is applicable to sanitary ceramic products such as washbasins, toilets,

urinals, bidets, washing tanks, squatting pans, bathtubs, etc.

2 Normative References

The provisions in following documents become the provisions of this Standard through

reference in this Standard. For dated references, the subsequent amendments

(excluding corrigendum) or revisions do not apply to this Standard, however, parties

who reach an agreement based on this Standard are encouraged to study if the latest

versions of these documents are applicable. For undated references, the latest edition

of the referenced document applies.

GB 6566 Limits of Radionuclides in Building Materials

GB 6952 Sanitary Wares

GB/T 15555.2-1995 Solid Waste - Determination of Copper, Zinc, Lead, Cadmium

- Atomic Absorption Spectrometry

3 Terms and Definitions

3.1 Internal exposure index

The radioactive specific activity of the natural radionuclide radium-226 in sanitary

ceramics is divided by the limit specified in this Standard.

Expression formula.

Where.

IRa – internal exposure index;

Appendix A

(Normative)

Determination of Lead and Cadmium in Ceramic Samples

A.1 Principle

The powder samples of ceramics were treated by strong acid; and the heavy metals

of lead and cadmium in the solution were determined by flame atomic absorption

spectrometry.

A.2 Reagents

--- Nitric acid (HNO3, rho = 1.42 g/ml), guaranteed reagent;

--- Preparation of nitric acid solution (1 + 1);

--- Deionized water or distilled water.

A.3 Apparatus

--- Atomic absorption spectrophotometer;

--- Filtering device. glass sand core filter, fiber filter membrane (pore size phi45µm);

--- Adjustable electric heating plate.

A.4 Sample preparation

The sample is cleaned, dried, smashed, shrunk, ground to pass through an 80µm (180

mesh) sieve, and stored in a clean weighing bottle for later use. The preparation

process shall avoid introducing impurities.

A.5 Preparation of test solution

Take 10 g of the sample (accurate to 0.0001 g) into a 100 ml beaker; add 25 ml of nitric

acid solution; rinse the wall of the beaker with a small amount of distilled water; stir

evenly; and cover with a watch glass. Place it on a 200°C low-temperature heating

plate to heat for 2h; cool to stand for 1h; immediately filter into a 50 ml volumetric flask,

rinse to the mark/ and shake well. This is the test solution of the sample to be tested.

A.6 Blank test solution

Use deionized water or distilled water to replace the sample; use the same procedures

and reagents as the sample; and prepare a blank test solution while processing the

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 8 pages — is available in the English PDF.

Referenced standards

Normative references

GB 6952 · GB/T 15555.2-1995

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