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GB/T 30931-2014: Determination of Benzalkonium Chloride in cosmetics -- High performance liquid chromatography
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Determination of Benzalkonium Chloride in cosmetics -- High performance liquid chromatography
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GB/T 30931-2014
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Basic data | Standard ID | GB/T 30931-2014 (GB/T30931-2014) | | Description (Translated English) | Determination of Benzalkonium Chloride 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 | 11,128 | | Date of Issue | 7/8/2014 | | Date of Implementation | 11/1/2014 | | Quoted Standard | GB/T 6682 | | Regulation (derived from) | 2014 National Standards Bulletin No. 18 | | 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 a high performance liquid chromatographic method cosmetics of benzalkonium chloride. This standard applies to creams, shampoos, cosmetics agent etc. Determination of benzalkonium chloride. The standard method detection limit of 30 | GB/T 30931-2014: Determination of Benzalkonium Chloride in cosmetics -- High performance liquid chromatography
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Determination of Benzalkonium Chloride in cosmetics.High performance liquid chromatography
ICS 71.100.70
Y42
National Standards of People's Republic of China
Determination of chloride content in cosmetics benzalkonium
High Performance Liquid Chromatography
Issued on. 2014-07-08
2014-11-01 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.
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. Country cosmetics Quality Supervision and Inspection Center (Beijing), Beijing Haidian District, product quality supervision, inspection, Shanghai
City Daily Chemical Industry Institute.
The main drafters of this standard. Liu Yanqin, Wang Hao, Shihai Liang, Yang Hongmei, GUO Qi Lei, Pan Hongyan, Li Qiong, Wu Xiao Jian, Shen Min, Qian Yan.
Determination of chloride content in cosmetics benzalkonium
High Performance Liquid Chromatography
1 Scope
This standard specifies a high performance liquid chromatographic method cosmetics of benzalkonium chloride.
This standard applies to creams, shampoos, cosmetics agent etc. Determination of benzalkonium chloride.
The standard method detection limit of 30mg/kg, the limit of quantification of 100mg/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
Methanol solution by ultrasound sample containing 0.5% formic acid extraction, rotary evaporator enriched extract after separation by SCX column using diode
Array detector its accurate analysis, external standard, liquid chromatography - mass spectra.
4 Reagents and materials
Unless otherwise indicated, the reagents used were of analytical grade water as a water GB/T 6682 regulations.
4.1 Methanol. chromatographically pure.
4.2 formic acid. Chromatographic pure.
4.3 acetonitrile. chromatography.
4.4 ammonium acetate.
4.5 triethylamine.
4.6 sodium chloride.
4.7 acetic acid.
50% aqueous methanol 4.8. Measure 500mL of methanol (4.1) was mixed with 500mL of water.
4.9 0.5% methanol solution of formic acid. Pipette 5mL acid (4.2) to 1000mL volumetric flask, methanol (4.1) volume.
4.10 standard sample. benzalkonium chloride (n-C12H25-C9H13NCl, n-C14H29-C9H13NCl, n-C16H33-C9H13NCl) standard sample of pure
Not less than 99%. Benzalkonium chloride standard sample information, see Appendix A.
4.11 standard solution
4.11.1 three kinds of benzalkonium chloride (n-C12H25-C9H13NCl, n-C14H29-C9H13NCl, n-C16H33-C9H13NCl) standard stock solution. each
Weigh 0.5g (accurate to 0.0001g) n-C12H25-C9H13NCl, n-C14H29-C9H13NCl, n-C16H33-C9H13NCl standard sample
(4.10), were placed in 100mL flask, with 50% aqueous methanol (4.8) was dissolved constant volume.
4.11.2 benzalkonium chloride (n-C12H25-C9H13NCl, n-C14H29-C9H13NCl, n-C16H33-C9H13NCl) mixed standard working solution.
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