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SN/T 3354-2012 English PDF

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SN/T 3354-2012: Determination of acetone and hexane in adhesive used in building for import and export. Gas chromatography-mass spectrometry
Status: Valid

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
SN/T 3354-2012	English	209	Add to Cart	3 days [Need to translate]	Determination of acetone and hexane in adhesive used in building for import and export. Gas chromatography-mass spectrometry	Valid	SN/T 3354-2012

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Basic data

Standard ID	SN/T 3354-2012 (SN/T3354-2012)
Description (Translated English)	Determination of acetone and hexane in adhesive used in building for import and export. Gas chromatography-mass spectrometry
Sector / Industry	Commodity Inspection Standard (Recommended)
Classification of Chinese Standard	Q27
Classification of International Standard	83.180
Word Count Estimation	8,868
Regulation (derived from)	National Quality Inspection (2012) 777; industry standard filing Notice 2013 No. 4 (No. 160 overall)
Issuing agency(ies)	General Administration of Customs
Summary	This standard specifies the import and export of construction workers adhesive hexane, acetone content by gas chromatography mass spectrometry. This standard applies to import construction adhesive hexane, acetone content. Method of determination limit: a

SN/T 3354-2012: Determination of acetone and hexane in adhesive used in building for import and 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 acetone and hexane in adhesive used in building for import and export.Gas chromatography-mass spectrometry People's Republic of China Entry-Exit Inspection and Quarantine Standards Importers construction adhesive in n-hexane, acetone By Gas Chromatography - Mass Spectrometry Issued on. 2012-12-12 2013-07-01 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, Shenzhen CIQ, Shenzhen Inspection and Quarantine Science Research Institute. The main drafters of this standard. Wu Jingwu, Paul Song Liang, Li Bin, Liu Zhihong, Ren Cong, Li Feng all. Importers construction adhesive in n-hexane, acetone By Gas Chromatography - Mass Spectrometry Warning. Use of this standard should have practical experience in regular laboratory work. This standard does not point out all possible security asked question. Users have the responsibility to take appropriate safety and health practices and to ensure compliance with the conditions of the relevant provisions of the State.

1 Scope

This standard specifies the import and export construction adhesive with n-hexane, acetone content by gas chromatography - mass spectrometry. This standard applies to the import and export construction adhesive with n-hexane, acetone content was measured. Determination of the lower limit. acetone 0.05g/kg, Hexane 0.010g/kg. Principle 2 Solvent extraction mode, the sample was quantitatively dissolved in methanol. Using headspace - gas chromatography - mass spectrometry and acetone Hexane, internal standard.

3 Reagents and materials

3.1 Carrier gas. helium, purity greater than 99.999%. 3.2 Anhydrous Methanol. chromatographically pure. 3.3 acetone. chromatography. 3.4 hexane. chromatographically pure. 3.5 Internal standard. n-octane, chromatography. Sample or other compounds that do not exist, and the compound capable of other components on the chromatogram End Full separation. 3.6 internal standard working solution. Weigh 0.25g standard sample taken of the internal standard (accurate to 0.0001g), placed in 250mL volumetric flask Dissolved in methanol capacity. The solution containing the internal standard compound is 1.00g/L. 3.7 standard solution stock solution (using now). Weigh accurately a standard sample of acetone and n-hexane 0.25g (accurate to 0.0001g) placed 250mL volumetric flask, dissolved in methanol to volume. The acetone solution containing 1.0g/L, hexane 1.0g/L. 3.8 standard working solution (using now). Pipette respectively 100μL, 200μL, standard solution liquor 500μL, 1000μL of (3.7) to Add 1mL of internal standard working solution (3.6) in 10mL volumetric flask with methanol to volume, as the working standard solution.

4 instruments and equipment

4.1 Gas chromatography - mass spectrometry (GC-MS), with EI source. 4.2 Capillary Column. (5% - phenyl) - methyl silicone capillary column, 30m × 0.25mm × 0.25μm, or equivalent person. 4.3 air injector. 4.4 bottles. 20mL. 4.5 micro syringe. 10μL. 4.6 Balance. Precision 0.1mg.

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