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SN/T 3920-2014 English PDF

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SN/T 3920-2014: Determination of hydroquinone, salicylic acid, phenol, 2-phenoxyethanol, methyl 4-hydroxybenzoic acid easters, dichlorophen and triclosan in cosmetics for export - Liquid chromatography method
Status: Valid
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SN/T 3920-2014English319 Add to Cart 3 days [Need to translate] Determination of hydroquinone, salicylic acid, phenol, 2-phenoxyethanol, methyl 4-hydroxybenzoic acid easters, dichlorophen and triclosan in cosmetics for export - Liquid chromatography method Valid SN/T 3920-2014

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Basic data

Standard ID SN/T 3920-2014 (SN/T3920-2014)
Description (Translated English) Determination of hydroquinone, salicylic acid, phenol, 2-phenoxyethanol, methyl 4-hydroxybenzoic acid easters, dichlorophen and triclosan in cosmetics for export - Liquid chromatography method
Sector / Industry Commodity Inspection Standard (Recommended)
Classification of Chinese Standard Y42
Classification of International Standard 71.100.70
Word Count Estimation 12,197
Date of Issue 4/9/2014
Date of Implementation 11/1/2014
Quoted Standard GB/T 6682-2008
Regulation (derived from) State inspection certification (2014) 210
Issuing agency(ies) General Administration of Customs
Summary This standard specifies the export cosmetics hydroquinone, salicylic acid, phenol, phenoxyethanol, parabens (methyl paraben, ethyl paraben, propyl paraben, p-hydroxy butyl benzoate), diclofenac and liquid chromatographic method triclosan. This standard ap

SN/T 3920-2014: Determination of hydroquinone, salicylic acid, phenol, 2-phenoxyethanol, methyl 4-hydroxybenzoic acid easters, dichlorophen and triclosan in cosmetics for export - Liquid chromatography method



---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.
(Outlet cosmetics hydroquinone, salicylic acid, phenol, phenoxyethanol, parabens, diclofenac, triclosan Liquid Chromatography) People's Republic of China Entry-Exit Inspection and Quarantine Standards Export cosmetics hydroquinone, salicylic acid, phenol, Phenoxyethanol, parabens, diclofenac, Determination of triclosan liquid chromatography Determinationofhydroquinone, salicylicacid, phenol, 2-phenoxyethanol, methyl4-hydroxybenzoicacideasters, dichlorophenandtriclosan Issued on. 2014-04-09 2014-11-01 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. 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. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. Tianjin People's Republic of China Exit Inspection and Quarantine. The main drafters of this standard. Kung Chao, Chen Xuyan, will Gao Jian, Ge Baokun. Export cosmetics hydroquinone, salicylic acid, phenol, Phenoxyethanol, parabens, diclofenac, Determination of triclosan liquid chromatography

1 Scope

This standard specifies the export cosmetics hydroquinone, salicylic acid, phenol, phenoxyethanol, parabens (methylparaben, Ethyl paraben, propyl paraben, butyl paraben), diclofenac and liquid chromatographic method triclosan. This standard applies to hair cream, lipstick, toothpaste, facial cleanser, eye shadow, care oil, Toner, soap hydroquinone, salicylic acid, phenol, phenoxyethanol Alcohol, parabens (methyl paraben, ethyl paraben, propyl paraben, butyl p-hydroxybenzoate Ester), diclofenac and triclosan was measured.

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 6682-2008 Analysis Principle 3 The sample was extracted with acetonitrile substance to be detected, isolated by high performance liquid chromatography, diode array detector, retention time and light Spectrum qualitative, external standard.

4 Reagents and materials

Unless otherwise noted, all reagents were of analytical grade water as a water GB/T 6682-2008 requirements. 4.1 Methanol. HPLC grade. 4.2 acetonitrile. HPLC grade. 4.3 acetic acid. pure class distinctions. Ammonium acetate 4.4. HPLC grade. 4.5 tetrahydrofuran. 4.6 0.02moL/L ammonium acetate buffer solution. Weigh accurately 1.54g ammonium acetate, dissolved in water, acetic acid to adjust pH value of 4.0 and finally water Total volume of 1000mL. 4.7 Standard substance. hydroquinone, salicylic acid, phenol, phenoxyethanol, methyl paraben, ethyl paraben, propyl p-hydroxybenzoate Acrylate, butyl paraben, diclofenac, triclosan, purity ≥99%, the compounds listed in Table A.1. 4.8 standard stock solution. Weigh hydroquinone, salicylic acid, phenol each 200mg, phenoxyethanol 500mg, methylparaben, hydroxyl Ethyl benzoate, propyl paraben, butyl paraben, diclofenac, triclosan each 100mg (are accurate to 0.1mg), with Dissolved in acetonitrile and dilute to 100mL, shake, formulated in a concentration of hydroquinone, salicylic acid, phenol 2.0mg/mL, as phenoxyethanol 5.0mg/mL, parabens, diclofenac, triclosan are the standard solution 1.0mg/mL of. Placed 4 ℃ refrigerator.

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