GB/T 23957-2009 in English

《GB/T 23957-2009牙膏工业用轻质碳酸钙》由TC63（全国化学标准化技术委员会）归口，TC63SC1（全国化学标准化技术委员会无机化工分会）执行，主管部门为中国石油和化学工业联合会。
本标准规定了牙膏工业用轻质碳酸钙的要求、试验方法、检验规则、标志、标签、包装、运输和贮存。
本标准适用于牙膏工业用轻质碳酸钙,该产品在牙膏中用作摩擦剂。

1 Scope

This standard specifies the requirements, test methods, inspection rules, marking and labeling as well as packaging, transportation and storage of light calcium carbonate for tooth-paste industry.

This standard is applicable to light calcium carbonate for tooth-paste industry and this product is used as the abrasive in toothpaste.

2 Normative References

The following standards contain provisions which, through reference in this standard, constitute provisions of this standard. For dated reference, subsequent amendments (excluding corrections) to, or revisions of, any of these publications do not apply. However, the parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies.

GB/T 191-2008 Packaging - Pictorial Marking for Handling of Goods (ISO 780: 1997, MOD)
GB/T 3049-2006 Chemical Products for Industrial Use - General Method for Determination of Iron Content - 1,10-Phenanthroline Spectrophotometric Method (ISO 6685: 1982, IDT)
GB/T 5009.12-2003 Determination of Lead in Foods
GB/T 5009.17-2003 Determination of Total Mercury and Organic-mercury in Foods
GB/T 5009.18-2003 Determination of Fluorine in Foods
GB/T 5009.74-2003 Method for Limit Test of Heavy Metals in Food Additives
GB/T 5009.75-2003 Determination of Lead in Food Additives
GB/T 5009.76-2003 Determination of Arsenic in Food Additives
GB/T 5950-2008 Method for Measurement of Whiteness of Building Materials and Non-Metal Mineral Products
GB/T 6003.1-1997 Test Sieves of Metal Wire Cloth (eqv ISO 3310-1: 1990)
GB/T 6678 General Principles for Sampling Chemical Products
GB/T 6682-2008 Water for Analytical Laboratory Use - Specification and Test Methods (ISO 3696: 1987, MOD)
GB/T 7918.2-1987 Standard Methods of Microbiological Examination for Cosmetics - Standard Plate Count
GB/T 7918.3-1987 Standard Methods of Microbiological Examination for Cosmetics - Fecal Coliforms
GB/T 7918.5-1987 Standard Methods of Microbiological Examination for Cosmetics - Staphylococcus Aureus

Foreword i
1 Scope
2 Normative References
3 Molecular Formula and Relative Molecular Mass
4 Requirements
5 Test Method
6 Inspection Rules
7 Marking and Labeling
8 Packaging, Transportation and Storage