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GB/T 29676-2013: Determination of chlorobutanol in cosmetics -- Gas chromatography-mass spectrometry
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 29676-2013 | English | 169 |
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Determination of chlorobutanol in cosmetics -- Gas chromatography-mass spectrometry
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GB/T 29676-2013
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Basic data | Standard ID | GB/T 29676-2013 (GB/T29676-2013) | | Description (Translated English) | Determination of chlorobutanol in cosmetics -- Gas chromatography-mass spectrometry | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Y42 | | Classification of International Standard | 71.100.70 | | Word Count Estimation | 7,735 | | 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 chlorobutanol gas chromatography mass spectrometry. This standard applies to: cream, liquid, loose powder, shampoo, lipstick cosmetics in chlorobutanol determination. The standard for chlorobutanol detection limit of 0. | GB/T 29676-2013: Determination of chlorobutanol in cosmetics -- Gas chromatography-mass spectrometry
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Determination of chlorobutanol in cosmetics.Gas chromatography-mass spectrometry
ICS 71.100.70
Y42
National Standards of People's Republic of China
Determination of chlorobutanol in cosmetics
Gas chromatography - mass spectrometry
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. Ma Qiang, birch, Wang Chao, Xiao Haiqing, Yan Yan, Liu Qian, Ding Lan, exercise Wei, Shen Min, Kang Wei.
Determination of chlorobutanol in cosmetics
Gas chromatography - mass spectrometry
1 Scope
This standard specifies chlorobutanol in cosmetics by gas chromatography - mass spectrometry.
This standard applies to creams, liquid, loose powder, shampoo, lipstick Cosmetics Determination chlorobutanol.
The standard for chlorobutanol detection limit of 0.15mg/kg, the limit of quantification of 0.4mg/kg.
Principle 2
By solvent extraction of the sample, after centrifugation, by gas chromatography - mass spectrometry, external standard.
3 Reagents and materials
Unless otherwise specified, the reagents were of analytical grade.
3.1 Methanol. chromatographically pure.
3.2 ethanol. chromatography.
3.3 chlorobutanol standard substance. Formula C4H7Cl3O, CAS No. 57-15-8, purity of not less than 99%, the formula in Appendix A
Figure A.1.
3.4 anhydrous sodium sulfate. ignited by 650 ℃ 4h placed in the dryer.
3.5 chlorobutanol standard stock solution. accurately weighed amount of chlorobutanol standard substance (accurate to 0.0001g), anhydrous ethanol
(3.2) formulated at a concentration of 1000μg/mL standard stock solution, and stored in the dark at 4 ℃, can be used for three months.
3.6 50% methanol - ethanol solution. accurately weighed 50mL of methanol and 50mL of anhydrous ethanol, mix and reserve.
4 instruments and equipment
4.1 Gas chromatography - mass spectrometry (GC-MS) instrument. with electron impact ionization (EI).
4.2 Analysis of balance. a sense of the amount of 0.0001g and 0.001g.
4.3 centrifuge. speed of not less than 5000r/min.
4.4 ultrasonic bath.
4.5 plug cuvette. 10mL.
4.6 stoppered conical flask. 50mL.
4.7 plug teflon plastic centrifuge tube. 50mL.
4.8 microporous membrane. 0.45μm, organic phase.
Step 5 Analysis
5.1 Sample Preparation
5.1.1 cream, liquid, loose powder, shampoo sample class
Weigh 0.5g (accurate to 0.001g) sample in 50mL stoppered Erlenmeyer flask (4.6) was added 20mL50% methanol - ethanol solution
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