SN/T 4665-2016 English PDF

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SN/T 4665-2016: Textiles for import and export--Determination of diphenyl ketone antiultraviolet finishing agents--High performance liquid chromatography method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 4665-2016	229	Add to Cart	3 days	Textiles for import and export--Determination of diphenyl ketone antiultraviolet finishing agents--High performance liquid chromatography method	Valid

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Basic data

Standard ID: SN/T 4665-2016 (SN/T4665-2016)
Description (Translated English): Textiles for import and export--Determination of diphenyl ketone antiultraviolet finishing agents--High performance liquid chromatography method
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: W55
Word Count Estimation: 10,145
Date of Issue: 2016-12-12
Date of Implementation: 2017-07-01
Regulation (derived from): State-Quality-Inspection-Accredidation (2016) No.590
Issuing agency(ies): General Administration of Customs

SN/T 4665-2016: Textiles for import and export--Determination of diphenyl ketone antiultraviolet finishing agents--High performance 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.
Textiles for import and export--Determination of diphenyl ketone antiultraviolet finishing agents--High performance liquid chromatography method China's entry-exit inspection and quarantine industry standards Import and Export Textiles Benzophenone UV Protection Finishing agents for the determination of high performance liquid chromatography Published on.2016-12-12 2017-07-01 Implementation China The State Administration of Quality Supervision, Inspection and Quarantine issued Inspection and Quarantine of the People's Republic of China Industry Standard Import and Export Textiles Benzophenone UV Protection Finishing agents for the determination of high performance liquid chromatography China Standard Press Publishing First edition of March.2018

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed and managed by the National Certification and Accreditation Regulatory Commission. This standard was drafted. Inspection and Quarantine Technology Center, Zhejiang Entry-Exit Inspection and Quarantine Bureau, People's Republic of China Entry-Exit Inspection and Quarantine Bureau, Shenzhen Entry-Exit Inspection and Quarantine Bureau of the People's Republic of China, Staff Training College of China National Tobacco Corporation, Chinese People The Republic of China Guangdong Entry-Exit Inspection and Quarantine Bureau and the People's Republic of China Shandong Entry-Exit Inspection and Quarantine Bureau. The main drafters of this standard. Wu Gang, Han Chao, Zhou Ying, Dun Yuhui, Xie Tangtang, Zhao Shanhong, Wang Lijun, Zhang Mingyu, Li Dan, Liu Haishan, Yan Yi, Wang Deji, Zhang Xiaoli, Gao Yonggang. Import and Export Textiles Benzophenone UV Protection Finishing agents for the determination of high performance liquid chromatography Warnings - Persons using this standard should have practical experience in regular laboratory work. This standard does not indicate all possible safety issues question. It is the user's responsibility to take appropriate safety and health measures and to ensure compliance with the conditions stipulated by relevant national laws and regulations.

1 Scope

This standard specifies the determination of eight kinds of benzophenone anti-UV finishing agents (see Appendix A) in the import and export of textiles by HPLC method. This standard applies to the determination of 8 kinds of benzophenone anti-UV finishing agents in various types of textiles and products.

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 Laboratory Water Specifications and Test Methods (GB/T 6682-2008, neqISO 3696.1987, MOD) GB/T 8170-2008 Numerical Rounding Rules and Representation and Determination of Limit Values

3 Methodology

The sample was extracted with methanol and subjected to ultrasonic extraction. The HPLC/DAD was used for the determination. The external standard method was used. Quantitative.

4 Reagents and materials

Unless otherwise specified, the reagents used are all chromatographically pure, and the chromatographic water conforms to the first-grade water specified in GB/T 6682. 4.1 Methanol. 4.2 Acetonitrile. 4.3 Benzophenone UV protection finish reference material. 2,4-dihydroxybenzophenone (purity≥98%), 2-hydroxy-4-methoxydiphenyl Ketone (purity ≥98%), 2-hydroxy-4-octyloxybenzophenone (purity ≥98%), 2-hydroxy-4-dodecyloxybenzophenone (purity ≥ 99.9%), 2,2'-dihydroxy-4-methoxybenzophenone (purity ≥98%), 2,2'-dihydroxy-4,4'-dimethoxybenzophenone ( Purity ≥ 90%), 2,2',4,4'-tetrahydroxybenzophenone (purity ≥ 95%), 5-chloro-2-hydroxybenzophenone (purity ≥ 99%) and the like. 4.4 Standard stock solution. benzophenone UV curing agent standard substance is made into concentration with methanol or other suitable solvent. 1000 μg/mL standard stock solution; each appropriate amount of the above standard stock solution was mixed with methanol to a concentration of about 100 μg/mL Standard stock solution. 4.5 Standard working solution. The standard stock solution was mixed with methanol to a concentration of 1 μg/mL, 3 μg/mL, 5 μg/mL, and 7 μg/mL, respectively. And 10μg/mL mixed standard working solution or other suitable concentration of mixed standard working solution. Note. The standard stock solution is protected from light at 4°C and is valid for 12 months. The standard working solution is protected from light at 4°C and can be formulated as required A more suitable concentration is valid for 3 months. ......

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