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SN/T 2933-2011 PDF English

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SN/T 2933-2011: Determination of chloroform, benzene, carbon tetrachloride, chloropicrine, nitrobenzene and dichlorotolnene in cosmetics
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SN/T 2933-2011English369 Add to Cart 3 days [Need to translate] Determination of chloroform, benzene, carbon tetrachloride, chloropicrine, nitrobenzene and dichlorotolnene in cosmetics

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Basic data

Standard ID SN/T 2933-2011 (SN/T2933-2011)
Description (Translated English) Determination of chloroform, benzene, carbon tetrachloride, chloropicrine, nitrobenzene and dichlorotolnene in cosmetics
Sector / Industry Commodity Inspection Standard (Recommended)
Classification of Chinese Standard Y42
Classification of International Standard 71.100.70
Word Count Estimation 14,163
Date of Issue 2011-05-31
Date of Implementation 2011-12-01
Regulation (derived from) National-Quality-Inspection-accreditation (2011) 291
Issuing agency(ies) General Administration of Customs
Summary This standard specifies the cosmetics chloroform, benzene, carbon tetrachloride, chloropicrin, nitrobenzene and dichlorotoluene gas chromatography-mass spectrometry and headspace gas chromatographic method. This standard gas chromatography-mass spectrometry applied lotion, moisturizing creams and toothpaste, cosmetics in chloroform, benzene, carbon tetrachloride, chloropicrin, nitrobenzene and dichlorotoluene determination and confirmation. This standard headspace gas chromatography method applies lotion, moisturizing creams and toothpaste, cosmetics in chloroform, carbon tetrachloride, determination of chloropicrin and Dichlorotoluene.

SN/T 2933-2011: Determination of chloroform, benzene, carbon tetrachloride, chloropicrine, nitrobenzene and dichlorotolnene in cosmetics




---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 chloroform, benzene, carbon tetrachloride, chloropicrine, nitrobenzene and dichlorotolnene in cosmetics People's Republic of China Entry-Exit Inspection and Quarantine Standards Cosmetics chloroform, benzene, carbon tetrachloride, trichlorosilane Glass Detection methane, dichloro-nitrobenzene and toluene Determinationofchloroform, benzene, carbontetrachloride, chloropicrine, nitrobenzeneanddichlorotolueneincosmetics Issued on. 2011-05-31 2011-12-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard by the People's Republic of China Shanghai Entry-Exit Inspection and Quarantine Bureau, Chinese Academy of Inspection and Quarantine, Beijing People's Republic of China Entry-Exit Inspection and Quarantine of Jiangsu People's Republic of China is responsible for drafting. The main drafters of this standard. Li Bo, Yang Huiqin, birch, Zhang community, a Xu Chao, Joe Jian Huai, Hai Hung Yi, Zheng Li. Cosmetics chloroform, benzene, carbon tetrachloride, trichlorosilane Glass Detection methane, dichloro-nitrobenzene and toluene

1 Scope

This standard specifies the cosmetics chloroform, benzene, carbon tetrachloride, chloropicrin, nitrobenzene and Dichlorotoluene gas chromatography - mass Spectroscopy and headspace gas chromatographic method. The standard gas chromatography - mass spectrometry applied to toner, moisturizing creams and toothpaste, cosmetics in chloroform, benzene, carbon tetrachloride, tri Chlorine nitromethane, nitrobenzene and dichlorotoluene determination and confirmation. This standard headspace gas chromatography is suitable for toner, moisturizing creams and toothpaste Cosmetics chloroform, carbon tetrachloride, trichlorosilane Glass Group determination of methane and dichlorotoluene. The first method 2 Gas Chromatography - Mass Spectrometry 2.1 Method summary After the sample was extracted with methanol, ultrasonic, gas chromatography - mass spectrometry, selected ion monitoring MS scan mode (SIM), with a compound Abundance retention times and mass spectral fragmentation than qualitative, quantitative internal standard. 2.2 Reagents and materials 2.2.1 Methanol. liquid chromatography. 2.2.2 1,1,1-trichloroethane (CAS Number. 71-55-6, molecular formula. C2H3Cl3). purity greater than or equal to 99%. 2.2.3 1,2-dichlorobenzene (CAS Number. 95-50-1, molecular formula. C6H4Cl2). not less than 99% purity. 2.2.4 chloroform Standards (CAS Number. 67-66-3, molecular formula. CHCl3). purity greater than or equal to 99%. 2.2.5 Benzene Standards (CAS Number. 71-43-2, molecular formula. C6H6). purity greater than or equal to 99%. 2.2.6 CTC Standards (CAS Number. 56-23-5, Formula. CCl4). purity greater than or equal to 99%. 2.2.7 chloropicrin Standards (CAS Number. 76-06-2, molecular formula. CCl3NO2). purity greater than or equal to 99%. 2.2.8 nitrobenzene Standards (CAS Number. 98-95-3, molecular formula. C6H5NO2). purity greater than or equal to 99%. 2.2.9 α, α- dichlorotoluene standards (CAS Number. 98-87-3, molecular formula. C7H6Cl2). not less than 99% purity. 2.2.10 each standard stock solution. accurately weighed amount of each standard (2.2.4 - 2.2.9), were prepared in methanol at a concentration of 10mg/mL Standard stock solution stored in the dark at 4 ℃, valid for six months. 2.2.11 1,1,1-trichloroethane internal standard solution. methanol preparation of 1,1,1-trichloroethane concentration of 1.0mg/mL, the dark at 4 ℃ save. 2.2.12 1,2-dichlorobenzene internal standard solution. methanol preparation of 1,2-dichlorobenzene concentration of 1.0mg/mL, stored in the dark at 4 ℃. 2.2.13 internal standard mix solution. accurate Pipette the appropriate amount of internal standard solution (2.2.11 and 2.2.12), respectively, diluted with methanol concentrations were approximately Was 2.0μg/mL, stored in the dark at 4 ℃. 2.3 instruments and equipment 2.3.1 Gas chromatography - mass spectrometry. quadrupole mass spectrometer with EI ion source and having a select function. ...

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