GB 8058-2003Standard permissible limits and testing method for release of lead or cadmium from ceramic cookware (English PDF)

Foreword

Chapter 4 of this Standard is mandatory content, the rest are recommended

content.

This Standard is the revision of GB 8058-1987 "Standard permissible limits and

testing method for release of lead or cadmium from ceramic cookware".

This Standard equivalently adopts international standards ISO 8391-1.1986

"Ceramic cookware in contact with food - Release of lead and cadmium - Part 1.

Method of test" and ISO 8391-2.1983 "Ceramic cookware in contact with food -

Release of lead and cadmium - Part 2. Permissible limits".

This Standard makes the following modifications to the technical content of GB

8058-1937.

- TIGHTEN the permissible limit indicators in Chapter 4;

- DELETE the Chapters 3, 5, 4, 2 of original standard;

- DEFINE more specific provisions about atomic absorption spectrophotometer.

This Standard was proposed by China Light Industry Federation.

This Standard shall be administrated by National Ceramic Standardization

Center.

Drafting organizations of this Standard. Ceramic Research Institute of Light

Industry, Jingdezhen University, and Jingdezhen Ceramic Institute.

Main drafters of this Standard. Shen Wei, Yao Jilie, Chen Benxing, Yu Jinbao,

and Yu Xiaoqin.

This Standard was first released in June 1987.

From the date of implementation of this Standard, it shall replace GB

8058-1987.

Standard permissible limits and testing method for

release of lead or cadmium from ceramic cookware

eqv ISO 8391-1.1986

eqv ISO 8391-2.1986

Replacing GB 8058-1987

1 Scope

This Standard specifies the standard permissible limits and testing method for

release of lead or cadmium from ceramic cookware.

This Standard applies to casserole, boiler, hot pot, wok, heating pot and other

kinds of ceramic cooking products in contact with food.

2 Reference standards

The following standards contain provisions which, through reference in this

Standard, become provisions of this Standard. At time of publication, the

editions indicated are valid. All standards are subject to revision. The parties

who are using this Standard shall explore the possibility of using the latest

version of the following standards.

GB/T 6682-1992 Water for analytical laboratory use - Specification and test

methods (neq ISO 3696. 1987)

3 Definitions

This Standard uses the following definition.

3.1

Ceramic cookware

The ceramic products that are used to heat and prepare food, but excluding

scale. SHAKE it well.

5.3.2 100mg/L of lead standard solution

Accurately TRANSFER 10mL of lead standard solution of which the

concentration is 1000mg/L INTO 100-mL volumetric flask. DELUTE it with 4%

acetic acid solution until it reaches the scale. SHAKE it well.

6 Precision

The results of lead shall be accurate to 0.1mg/L;

The results of cadmium shall be accurate to 0.01mg/L.

7 Test report

The test report shall include the following content.

a) Application organization, submission date, inspection nature;

b) Sample's name, serial number, and required inspection items;

c) Name and number of inspection standard;

d) Inspection result;

e) Inspector, inspector's signature, and seal of inspection organization;

f) Reporting date of inspection result;

g) Other explanations relevant to inspection result.

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