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GB/T 30934-2014: Determination of dehydroacetic acid and its salts in cosmetics -- High performance liquid chromatography
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 30934-2014 | English | 189 |
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Determination of dehydroacetic acid and its salts in cosmetics -- High performance liquid chromatography
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GB/T 30934-2014
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Basic data | Standard ID | GB/T 30934-2014 (GB/T30934-2014) | | Description (Translated English) | Determination of dehydroacetic acid and its salts 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 | 8,821 | | 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 dehydroacetic acid and its salts (dehydrogenation to acetic acid basis). This standard applies to creams, lotions, shampoo, lotion, gel water, lipstick and other cosmetics | GB/T 30934-2014: Determination of dehydroacetic acid and its salts in cosmetics -- High performance liquid chromatography
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Determination of dehydroacetic acid and its salts in cosmetics. High performance liquid chromatography
ICS 71.100.70
Y42
National Standards of People's Republic of China
Determination of cosmetics dehydroacetate and its salts
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 spice flavors (SAC/TC257) centralized.
This standard was drafted. Haidian District, Beijing Products Quality Supervision, Inspection, the National Cosmetics Quality Supervision and Inspection Center (Beijing), Shanghai
City Daily Chemical Industry Institute.
The main drafters of this standard. Yang Hongmei, Wang Hao, GUO Qi Lei, Shihai Liang, Liu Yanqin, Li Qiong, Wu Xiao Jian, Shen Min, Qian Yan.
Determination of cosmetics dehydroacetate and its salts
High Performance Liquid Chromatography
1 Scope
This standard specifies a high performance liquid chromatographic method cosmetics dehydroacetic acid and its salts (dehydrogenation to acetic acid basis).
This standard applies to creams, lotions, shampoo, lotion, gel water, lipstick and other cosmetics dehydroacetic acid and its salts (with dehydroacetate
Meter) measurement.
The standard method detection limit. creams, lotions, shampoos, lipsticks wax base class 0.002%; lotion, gel, water and other agent class
0.001%. The limit of quantitation. creams, lotions, shampoos, lipsticks wax base class 0.006%; lotion, gel, water and other agent class 0.003%.
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.
GB/T 6682 specifications and test methods for laboratory water
Principle 3
Methanol was added to the sample, extract the sample dehydroacetic acid, were determined by external standard HPLC.
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. HPLC grade.
4.2 Standard sample. dehydroacetate standard sample Chinese name, English name, CAS Registry Number, molecular formula, molecular weight shown in Table 1,
Purity of not less than 98.0%, of the formula.
Table 1 dehydroacetate standard sample Chinese name, English name, CAS Registry Number, molecular formula, relative molecular mass
Chinese name English name CAS Registry Number Formula Molecular Weight
Dehydroacetate Dehydroaceticacid 520-45-6 C8H8O4 168.15
4.3 triethylamine.
4.4 ammonium acetate.
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