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SN/T 3920-2014 English PDF

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US$319.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
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

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 3920-2014	319	Add to Cart	3 days	Determination of hydroquinone, salicylic acid, phenol, 2-phenoxyethanol, methyl 4-hydroxybenzoic acid easters, dichlorophen and triclosan in cosmetics for export - Liquid chromatography method	Valid

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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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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of SN/T 3920-2014_English be delivered?

Answer: Upon your order, we will start to translate SN/T 3920-2014_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 SN/T 3920-2014_English with my colleagues?

Answer: Yes. The purchased PDF of SN/T 3920-2014_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.