SN/T 2188-2011 English PDF

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SN/T 2188-2011: Determination of organotin in coatings for import 1and export. Gas chromatography/mass spectrometry
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 2188-2011	239	Add to Cart	3 days	Determination of organotin in coatings for import 1and export. Gas chromatography/mass spectrometry	Valid

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SC/T 4030   GB 5009.261   SN/T 1151.5   SN/T 1673   SN/T 2853   

Basic data

Standard ID: SN/T 2188-2011 (SN/T2188-2011)
Description (Translated English): Determination of organotin in coatings for import 1and export. Gas chromatography/mass spectrometry
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: B51
Classification of International Standard: 87.040
Word Count Estimation: 9,941
Date of Issue: 2011-05-31
Date of Implementation: 2011-12-01
Quoted Standard: GB/T 6682
Regulation (derived from): National-Quality-Inspection-accreditation (2011) 291
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the paint-butyl tin, Dioctyltin gas chromatography/mass spectrometry, dibutyl tin, tributyltin, suddenly a benzene tin, diphenyl tin, Triphenyltin, tricyclohexyltin tomb tin. This standard applies to the determination of Xu eight kinds of organic tin compound.

SN/T 2188-2011: Determination of organotin in coatings for import 1and export. Gas chromatography/mass spectrometry

---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 organotin in coatings for import 1and export.Gas chromatography/mass spectrometry People's Republic of China Entry-Exit Inspection and Quarantine Standards Determination of the import and export of organic paint tin Gas Chromatography/Mass Spectrometry Issued on. 2011-05-31 2011-12-01 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 Shandong CIQ, Shenzhen People's Republic of China Entry-Exit Inspection and Quarantine Bureau. The main drafters of this standard. Cattle Zengyuan, Ye Xi Wen, Cai hair, Luo Xin, Wang Xin, Gao Jianguo, Li Ying. Determination of the import and export of organic paint tin Gas Chromatography/Mass Spectrometry

1 Scope

This standard specifies a paint tributyltin, dibutyltin, tributyltin, a phenyl tin, tin diphenyl, triphenyl tin, tin tricyclohexylphosphine, Dioctyltin gas chromatography/mass spectrometry. This standard applies to the determination of organic coatings of eight tin.

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. GB/T 6682 analytical laboratory use specifications and test methods (GB/T 6682-2008, ISO 3696. 1987, MOD)

3 Method summary

After the sample was strong cation exchange solid phase extraction (SPE), tetraethyl borohydride derivative, gas chromatography/mass spectrometry (GC/MS) test Set and confirmed, external standard.

4 Reagents and materials

Unless otherwise specified, use only analytical reagent. The water used in line with two water GB/T 6682 regulations. 4.1 tetraethyl borohydride. Purity ≥98%. 4.2 ethyl acetate. chromatography. 4.3 Methanol. chromatographically pure. 4.4 hexane. chromatographically pure. 4.5 ammonium chloride. 4.6 acetic acid. 4.7 sodium acetate. 4.8 sodium hydroxide. 4.9 organotin standards. organic tin chloride, purity of ≥98%. 4.10 acetic acid - sodium acetate buffer solution. 1mol/L sodium acetate solution was adjusted with acetic acid to pH = 4.75. 4.11 tetraethyl borohydride solution. mass fraction of 2%, formulated today. 4.12 ammonium chloride solution. Weigh accurately 10.7g solid ammonium chloride (4.5), accurate to 0.01g, dissolved in 87.5mL water and transferred to 250mL flask, methanol (4.3) to volume, and mix. 4.13 Elution solution. ammonium chloride (4.12) in glacial acetic acid (4.6) = 91. 4.14 sodium hydroxide aqueous solution. 2mol/L. 4.15 standard stock solution. namely, accurately weighed amount of each organic tin standard (4.9), were formulated into methanol concentration of 1000μg/mL (organotin cation basis) standard stock solution. Cryopreservation. ......

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