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SN/T 4696-2016 PDF English

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SN/T 4696-2016: Determination of phthalate plasticizers content in fibreboard and particleboard
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SN/T 4696-2016English229 Add to Cart 3 days [Need to translate] Determination of phthalate plasticizers content in fibreboard and particleboard

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Basic data

Standard ID SN/T 4696-2016 (SN/T4696-2016)
Description (Translated English) Determination of phthalate plasticizers content in fibreboard and particleboard
Sector / Industry Commodity Inspection Standard (Recommended)
Classification of Chinese Standard B70
Word Count Estimation 10,131
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 4696-2016: Determination of phthalate plasticizers content in fibreboard and particleboard



---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 phthalate plasticizers content in fiberboard and particleboard People's Republic of China Exit Inspection and Quarantine standards Fibreboard and chipboard phthalates Determination of content 2016-12-12 released 2017-07-01 implementation People's Republic of China General Administration of Quality Supervision, Inspection and Quarantine released

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. Please note that some of this document may be patentable. The release 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 Administration Committee. This standard was drafted by Hebei Entry-Exit Inspection and Quarantine of People's Republic of China, Shanghai Entry-Exit Inspection and Quarantine Bureau, People's Republic of China Epidemic The main drafters of this standard Wang Shizhong, Gu Qing, Sun Lei, Yu Lingyun, Zhang Jia, Zhou Hengtian, Wang Xuelian, Li Qiang. Fibreboard and chipboard phthalates Determination of content

1 Scope

This standard specifies the fiberboard and particleboard phthalate content of gas chromatography/mass spectrometry - selected ion monitoring (GC/MS- SIM) method of determination. This standard applies to fiberboard and particleboard dibutyl phthalate (DBP), butyl benzyl phthalate (BBP), o-benzene two (2-ethylhexyl) formate (DEHP), di-n-octyl phthalate (DNOP), diisodecyl phthalate (DIDP) Determination of acid diisononyl ester (DINP) content.

2 principle

The n-hexane was used to extract the phthalate in the sample by ultrasonic extraction. The extract was determined by gas chromatography/mass spectrometry And confirmed that the external standard method.

3 Reagents and materials

3.1 n-hexane, chromatographic purity. 3.2 Phthalate standards. DBP, BBP, DEHP, DNOP, DIDP and DINP, purity ≥97%, see Appendix A. 3.3 Standard stock solution Accurately weighed amount of phthalate standard (3.2), with n-hexane (3.1) formulated DBP, BBP, DEHP, DNOP concentration of 2g/L standard stock solution, DIDP, DINP concentration of 20g/L standard stock solution. 3.4 Standard Working Solution The DBP, BBP, DEHP and DNOP concentrations of 0.5mg/L ~ 10mg/L, DIDP, DINP concentration from 5mg/L ~ 100mg/L between the one or several mixed standard working solution. Note. The standard solution is protected from light at below 4 ℃. The standard stock solution is valid for 6 months. The standard working solution is valid for 3 months.

4 instruments and equipment

4.1 gas chromatography/mass spectrometer with EI source. 4.2 Analytical Balance. Feel 0.001g. 4.3 ultrasonic generator. Temperature control, accuracy ± 2 ℃. 4.4 stuffed mouth Erlenmeyer flask .150mL. 4.5 Microporous membrane .0.22μm, organic.

5 sample preparation

5.1 Sample Preparation In place of 10 g of a representative sample, it was made into small pieces of 5 mm × 5 mm or less, pulverized in a universal mill, and placed in a stopper hard glass Container, stand-by ...

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