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GB/T 29674-2013 English PDF

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GB/T 29674-2013: Determination of chloramine T in cosmetics -- High performance liquid chromatography
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PDF similar to GB/T 29674-2013


Standard similar to GB/T 29674-2013

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Basic data

Standard ID GB/T 29674-2013 (GB/T29674-2013)
Description (Translated English) Determination of chloramine T in cosmetics -- High performance liquid chromatography
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard Y42
Classification of International Standard 71.100.70
Word Count Estimation 10,175
Quoted Standard GB/T 6682
Regulation (derived from) National Standards Bulletin 2013 No. 17
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies: cosmetics chloramine T- performance liquid chromatographic method. This standard applies to: cream, liquid, loose powder, shampoo, toothpaste and cosmetics in the chloramine T- determination. This standard does not apply to add -t

GB/T 29674-2013: Determination of chloramine T in cosmetics -- High performance liquid chromatography


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Determination of chloramine T in cosmetics. High performance liquid chromatography ICS 71.100.70 Y42 National Standards of People's Republic of China Determination of cosmetics chloramine T High Performance Liquid Chromatography Issued on. 2013-09-06 2014-02-15 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. Please note that some of the content of this document may involve patents. Release mechanism of the present document does not assume responsibility for the identification of these patents. The standard proposed by China National Light Industry Council. This standard by the National Standardization Technical Committee of Fragrance Flavor and Cosmetic (SAC/TC257) centralized. This standard was drafted. China Inspection and Quarantine Science Research Institute, Shanghai Institute of Daily Chemical Industry. The main drafters of this standard. Wang Chao, Ma Qiang, Wang Xing, Zhang, Xi Guangcheng, seats for the sea, in Hongmei, Ding Lan, Wu Xiao Jian, SHEN Min. Determination of cosmetics chloramine T High Performance Liquid Chromatography

1 Scope

This standard specifies a high performance liquid chromatographic method of chloramine T in cosmetics. This standard applies to creams, liquid, loose powder, shampoo, toothpaste, cosmetics chloramine T in measurement. This standard does not apply to add the toluene sulfonamide product. The chloramine-T standard for the detection limit of 8.0mg/kg, limit of quantification was 16.5mg/kg.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. Laboratory use specifications and test methods GB/T 6682 Analysis Principle 3 Ultrasound and extracted with aqueous hydrochloric acid hydrolysis cosmetics chloramine T as p-toluene sulfonamide, ether extract by liquid - liquid extraction, high Determination tosyl, external standard, liquid chromatography performance liquid chromatography - mass spectrometry confirmed.

4 Reagents and materials

Unless otherwise specified, the reagents were of analytical grade. Water as a water GB/T 6682 regulations. 4.1 acetonitrile. HPLC grade. 4.2 Methanol. HPLC grade. Chloramine T 4.3 Standard substance. Formula C7H7ClNNaO2S, CAS No. 127-65-1, purity of not less than 99%, the formula in Appendix A Figure A.1. 4.4 pairs toluenesulfonamide standard substance. molecular formula C7H9NO2S, CAS No. 70-55-3, purity of not less than 99%, see the structural formula Figure A.2. 4.5 chloramine-T standard stock solution. accurately weighed amount chloramine-T standard substance (accurate to 0.1mg), methanol (4.2) preparation of a concentration As the standard stock solution 1000μg/mL, and stored in the dark at 4 ℃, can be used for three months. 4.6 pairs toluenesulfonamide standard stock solution. accurately weighed amount of toluene sulfonamide standard substance (accurate to 0.1mg), methanol (4.2) were formulated as a stock solution of 1000mg/L, and stored in the dark at 4 ℃, can be used for three months. 4.7 ether. 4.8 hydrochloric acid. 5. Apparatus 5.1 High Performance Liquid Chromatography (HPLC) instrument. with a UV detector or diode array detector.

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