GB/T 30926-2014 English PDF

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GB/T 30926-2014: Determination of 7 kinds of vitamin C derivatives in Cosmetics -- High performance liquid chromatography-tandem Mass spectrometry
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 30926-2014	279	Add to Cart	3 days	Determination of 7 kinds of vitamin C derivatives in Cosmetics -- High performance liquid chromatography-tandem Mass spectrometry	Valid

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Basic data

Standard ID: GB/T 30926-2014 (GB/T30926-2014)
Description (Translated English): Determination of 7 kinds of vitamin C derivatives in Cosmetics -- High performance liquid chromatography-tandem Mass spectrometry
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Y42
Classification of International Standard: 71.100.70
Word Count Estimation: 12,115
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 the seven kinds of cosmetics Vitamin C derivative [ascorbic acid glucoside, 3-0- ethyl ascorbic acid, phosphate salts (ascorbic acid phosphate dollars), ascorbyl stearate, ascorbyl palmitate, ascorbic two Determination palmitate, a

GB/T 30926-2014: Determination of 7 kinds of vitamin C derivatives in Cosmetics -- High performance liquid chromatography-tandem Mass spectrometry

---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 7 kinds of vitamin C derivatives in Cosmetics. High performance liquid chromatography-tandem Mass spectrometry ICS 71.100.70 Y42 National Standards of People's Republic of China Determination of Seven cosmetics Vitamin C derivative High performance liquid chromatography - tandem mass spectrometry 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. Dalian City Product Quality Supervision, Inspection (National Day of Product Quality Supervision and Inspection Center), Dalian Standard Testing Technology Art research center, Shanghai Daily Chemical Industry Research Institute, Shanghai Institute of spices. The main drafters of this standard. Maoxi Qin, Zheng Shunli Hu Xia, Pan Wei, Shen Min, Qian Yan. Determination of Seven cosmetics Vitamin C derivative High performance liquid chromatography - tandem mass spectrometry

1 Scope

This standard specifies the seven kinds of cosmetics Vitamin C derivative [ascorbic acid glucoside, 3-O- ethyl ascorbic acid, phosphorus Ester salt (in terms ascorbyl phosphate), ascorbyl stearate, ascorbyl palmitate, ascorbyl dipalmitate, ascorbyl Tetraisopalmitate] Determination --- High Performance Liquid Chromatography Tandem Mass Spectrometry. This standard specifies a high performance liquid chromatography tandem mass spectrometry method is suitable for the quantitative determination of seven kinds of vitamin C derivatives in cosmetics. This standard method detection limits for all target compounds were 3μg/g, all quantitative targets compound limits were 10μg/g.

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 Use of water and methylene chloride double phase system of water-soluble derivative of vitamin C (ascorbic acid glucoside, 3-O- ethyl ascorbic acid, Ascorbic acid phosphate salt) Primary isolation and cosmetic oil-soluble ingredients and a surfactant, water extract with C18 solid phase extraction column to remove it After the non-polar strong interference component by reverse phase high performance liquid chromatography tandem quadrupole mass spectrometry, a standard curve of external standard. Oil-soluble derivative of vitamin C (ascorbyl stearate, ascorbyl palmitate, ascorbyl dipalmitate, ascorbyl Tetra-iso-palmitate) was dissolved with an organic solvent extraction, removal if necessary, by a silica gel solid phase extraction column after wax based matrix, by reverse phase high performance liquid chromatography Spectral separation, tandem quadrupole mass spectrometry, a standard curve of external standard.

4 Reagents and materials

Unless otherwise indicated, the reagents used were of analytical grade water as a water GB/T 6682 stipulated. 4.1 Standard substance. seven kinds of vitamin C derivative of the compound name, INCI name, CAS number, molecular formula, structural formula, relative molecular mass And purity see Appendix A. 4.2 Methanol. chromatographically pure. 4.3 Isopropanol. chromatography. 4.4 formic acid. Chromatographic pure. 4.5 dichloromethane. 4.6 ethanol. 4.7 tetrahydrofuran. 4.8 cyclohexane. 4.9 butylhydroxyanisole (BHA). 4.10 2,6-di-t-butyl-4-methylphenol (BHT). ......

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