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SN/T 3803-2014 English PDF

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SN/T 3803-2014: Determination of anilines additives in adhesives used in building for import and export
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PDF similar to SN/T 3803-2014


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Basic data

Standard ID SN/T 3803-2014 (SN/T3803-2014)
Description (Translated English) Determination of anilines additives in adhesives used in building for import and export
Sector / Industry Commodity Inspection Standard (Recommended)
Classification of Chinese Standard Q27
Classification of International Standard 91.100.50
Word Count Estimation 11,166
Regulation (derived from) AQSIQ notification issued in 2014 on the first batch of 230 industry-standard entry-exit inspection and quarantine
Issuing agency(ies) General Administration of Customs
Summary This Standard specifies the import and export of three buildings with an adhesive additive aniline (N, N- dimethylaniline, N, N- diethylaniline, aniline) content by gas chromatography - mass spectrometry (GC-MS) and gas chromatography (GC). Wherein the ga

SN/T 3803-2014: Determination of anilines additives in adhesives used in building for import and export


---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 anilines additives in adhesives used in building for import and export People's Republic of China Entry-Exit Inspection and Quarantine Standards Importers construction adhesive aniline Determination of additives importandexport Issued on. 2014-01-13 2014-08-01 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. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. People's Republic of China, Xiamen Entry-Exit Inspection and Quarantine Bureau Technology Center. The main drafters of this standard. Lai Ying, Lin Rui, Dong Qing wood, Qiu Yin, Ge Xiuxiu, Huanglong, Lin Weijing, Lin Haixia. Importers construction adhesive aniline Determination of additives

1 Scope

This standard specifies the import and export of three buildings with an adhesive additive aniline (N, N- dimethylaniline, N, N- diethylaniline, benzene Amine) content by gas chromatography - mass spectrometry (GC-MS) and gas chromatography (GC). Wherein the gas chromatography - mass spectrometry for the arbitration law. This standard applies to the import and export construction adhesive N, N- dimethylaniline determination, N, N- diethylaniline and aniline contents. Principle 2 Sample ultrasonic ethanol extraction, after extraction was filtered by gas chromatography - mass spectrometry and gas chromatography, external standard.

3 Reagents and materials

3.1 ethanol. chromatography. 3.2 Aniline additive standards. A table in Appendix A.1. 3.3 standard stock solution (1000mg/L). Weigh accurately three kinds of aniline additive standards each 0.1g (accurate to 0.0001g), placed 100mL flask with ethanol to the mark. 3.4 standard solution. Pipette appropriate amount of standard stock solution (3.3), diluted to standard working solution with a suitable concentration of ethanol (3.1). 3.5 The organic phase filter. 0.22μm.

4 instruments and equipment

4.1 Gas chromatograph with mass detector. 4.2 Gas chromatograph equipped with a flame ionization detector. 4.3 vortex mixer. 4.4 ultrasonic cleaner (power ≥220W). 4.5 desktop centrifuge. speed of not less than 4000r/min. 4.6 Electronic balance. a sense of the amount of 0.1mg. Step 5 Analysis 5.1 Extraction Said sample after mixing learn about 0.5g (accurate to 0.0001g), placed in 10mL tube with a stopper colorimetric with ethanol (3.1) diluted to the mark degree. After mixing in a vortex mixer (4.3), the ultrasonic extraction 15min, transferred to a 10mL centrifuge tube with a stopper to 4000r/min speed 8min centrifugation, the supernatant using 0.22μm membrane organic (3.5) was filtered, the filtrate gas chromatography - mass spectrometry and gas chromatography.

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