GB/T 30934-2014 English PDFUS$189.00 ยท In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 30934-2014: Determination of dehydroacetic acid and its salts in cosmetics -- High performance liquid chromatography Status: Valid
Basic dataStandard 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---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order. 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 ForewordThis 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 Chromatography1 ScopeThis 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 referencesThe 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 materialsUnless 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. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 30934-2014_English be delivered?Answer: Upon your order, we will start to translate GB/T 30934-2014_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 30934-2014_English with my colleagues?Answer: Yes. 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