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SN/T 4578-2016 English PDF

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US$329.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
SN/T 4578-2016: Determination of 9 sunscreen agents in cosmetics for import and export--GC-MS method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 4578-2016	329	Add to Cart	3 days	Determination of 9 sunscreen agents in cosmetics for import and export--GC-MS method	Valid

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Basic data

Standard ID: SN/T 4578-2016 (SN/T4578-2016)
Description (Translated English): Determination of 9 sunscreen agents in cosmetics for import and export--GC-MS method
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: Y42
Word Count Estimation: 14,156
Date of Issue: 2016-08-23
Date of Implementation: 2017-03-01
Regulation (derived from): State-Quality-Inspection-Certification (2016)438
Issuing agency(ies): General Administration of Customs

SN/T 4578-2016: Determination of 9 sunscreen agents in cosmetics for import and export--GC-MS 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.
Determination of 9 sunscreen agents in cosmetics for import and export--GC-MS method China's entry-exit inspection and quarantine industry standards Determination of 9 sunscreens in cosmetics for import and export Gas chromatography-mass spectrometry GC-MSmethod Published on.2016-08-23 2017-03-01 Implementation China The State Administration of Quality Supervision, Inspection and Quarantine issued

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. Please note that some of the contents of this document may involve patents. Publication of this document The agency does not assume responsibility for identifying these patents. This standard is proposed and managed by the National Certification and Accreditation Regulatory Commission. This standard was drafted by the People's Republic of China. Hubei Entry-Exit Inspection and Quarantine Bureau. The main drafters of this standard. Zhao Xiaoya, Shang Yizhu, Ye Cheng, Fu Xiaofang, Li Jing, Wang Peng, Huang Hao. Determination of 9 sunscreens in cosmetics for import and export Gas chromatography-mass spectrometry

1 Scope

This standard specifies the ethylhexyl salicylate, humeroxide, isoamyl p-methoxycinnamate, and 4-methylbenzylidene group in the import and export cosmetics. Camphor, benzophenone-3, PABA ethylhexyl ester, ethylhexyl methoxycinnamate, octocrylene and butyl methoxy dibenzoylmethane content GC-MS detection method. This standard applies to import and export of paste, emulsion, powder cosmetics ethyl hexyl salicylate, humeroyl, iso-pentyl methoxy cinnamate Ester, 4-methylbenzylcamphor, benzophenone-3, PABA ethylhexyl ester, ethylhexyl methoxycinnamate, octocrylene and butyl methoxy di Determination and confirmation of benzoylmethane.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article Pieces. For undated references, the latest version (including all amendments) applies to this document. GB/T 6682 Analysis of experimental water specifications and test methods

3 Method summary

Ethylhexyl salicylate, Humolide, isoamyl p-methoxycinnamate, 4-methylbenzylcamphor, benzophenone-3, PABA in the sample Ethylhexyl ester, ethylhexyl methoxycinnamate, octocrylene, and butyl methoxydibenzoylmethane were extracted with methanol and centrifuged. Gas chromatography mass spectrometry was performed and standard curve external standard method was used for quantification.

4 Reagents and materials

Unless otherwise specified, all reagents were of analytical grade and water was a grade of water that complied with GB/T 6682 regulations. 4.1 Methanol. Chromatographically pure. 4.2 Dichloromethane. 4.3 anhydrous sodium sulfate. 4.4 Ethylhexyl salicylate, Humerisate, isoamyl p-methoxycinnamate, 4-methylbenzylcamphor, benzophenone-3, PABA ethylhexazone Ester, ethylhexyl methoxycinnamate, octocrylene, and butyl methoxy dibenzoylmethane reference material. purity greater than or equal to 98%. See Table A.1 for additional information. 4.5 Standard stock solution. Accurately weigh the appropriate standard product (accurate to 0.0001g), first add 2mL of dichloromethane to completely dissolve the standard, and then Dilute to 10 mL with methanol and prepare a standard stock solution at a concentration of 20.0 mg/mL. Converted to its corresponding acid concentration The formula is 2-cyano-3,3-diphenylacrylic acid (g) = (249.2499/361.4483) × octoberin sample weight (g), stored at -18°C In the refrigerator. 4.6 Standard Working Fluid. Before use, take appropriate standard stock solution and dilute to appropriate concentration with methanol as needed. 4.7 Microporous membrane. 0.22μm, organic phase type. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of SN/T 4578-2016_English be delivered?

Answer: Upon your order, we will start to translate SN/T 4578-2016_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 4578-2016_English with my colleagues?

Answer: Yes. The purchased PDF of SN/T 4578-2016_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.