SN/T 2145-2008 English PDF

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SN/T 2145-2008: Determination of pentachlorophenol in wood preservative solutions and treated wood, wood-based products. Gas chromatography method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 2145-2008	169	Add to Cart	3 days	Determination of pentachlorophenol in wood preservative solutions and treated wood, wood-based products. Gas chromatography method	Valid

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Basic data

Standard ID: SN/T 2145-2008 (SN/T2145-2008)
Description (Translated English): Determination of pentachlorophenol in wood preservative solutions and treated wood, wood-based products. Gas chromatography method
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: B71
Word Count Estimation: 6,610
Date of Issue: 2008-09-04
Date of Implementation: 2009-03-16
Quoted Standard: GB/T 6682
Adopted Standard: CEN/TR 14823-2003, MOD
Regulation (derived from): Industry standard filing Notice No. 11 of 2008
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the use of gas chromatography wood preservatives and treated wood preservative pentachlorophenol and its products in the content approach. This standard applies to containing pentachlorophenol wood preservatives and preservative treated wood and its products in the quantitative analysis of pentachlorophenol.

SN/T 2145-2008: Determination of pentachlorophenol in wood preservative solutions and treated wood, wood-based products. Gas 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.
Determination of pentachlorophenol in wood preservative solutions and treated wood, wood-based products.Gas chromatography method Exit inspection and quarantine industry standard book People's Republic of China Wood preservatives and wood preservative treatment and Determination of pentachlorophenol products Gas chromatography Posted 2008-09-04 2009-03-16 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

This revised standard adopts CEN/T R14823.2003 "Durability of wood and wood products in the timber pentachlorophenol by gas Chromatography. " This standard CEN/T R14823.2003 compared to the main changes are as follows. --- Modify the scope of application (Chapter 1 of this standard, CEN/T R14823.2003 clause 1); increased wood preservative pentachlorophenol Determination of phenol (this standard 6.2,7.3.1.1); --- Modify the reference standard (Chapter 2 of this standard, CEN/T R14823.2003 Terms 2); --- Increased the determination of moisture content of wood. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. People's Republic of China Guangdong CIQ. The main drafters. Zhang Zhihui, Guoren Hong, Liuchong Hua, Lu Ruijiang, Qiu Dehong, Liang Ying, Ye Tianan. This standard is the first release of the entry-exit inspection and quarantine industry standards. Wood preservatives and wood preservative treatment and Determination of pentachlorophenol products Gas chromatography

1 Scope

This standard specifies the determination by gas chromatography, wood preservatives and treated wood preservative pentachlorophenol and its products Content method. This standard applies to quantitatively containing pentachlorophenol wood preservative and preservative treated wood and its products pentachlorophenol analysis.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 6682 analytical laboratory use specifications and test methods (GB/T 6682-2008, ISO 3696. 1987, MOD) Principle 3 Preservative treated wood extracted with methanol pentachlorophenol, or diluted with methanol solution containing a preservative pentachlorophenol, potassium carbonate solution The acetylation reaction, pentachlorophenol acetylated derivative with n-hexane extracted through with electron capture detector (ECD) by gas chromatography Measured. Internal standard.

4 Reagents and materials

Unless otherwise specified, the reagents were of analytical grade, test water line with GB/T 6682-1992 level or deionized water. 4.1 over anhydrous sodium. 600 ℃ burning 4h, cooled and then stored in a desiccator. Anhydrous acetic anhydride 4.2. 99.5%. 4.3 Methanol. chromatographically pure. 4.4 hexane. chromatographically pure. 4.5 potassium. AR. 4.6 potassium carbonate solution. 0.1mol/L; the 13.8g of potassium carbonate (4.5) was dissolved in distilled water and dilute to 1L. 4.7 pentachlorophenol (PCP) standard reagents. Purity ≥99%. 4.8 pentachlorophenol standard stock solution. Weigh 12.5mg pentachlorophenol (4.7), accurate to 0.1mg, and dissolved in 25mL of methanol (4.3), and As a stock solution, the stock solution at a concentration of 500μg/mL. 4.9 PCP standard solution. Pipette 1.0mL of stock solution pentachlorophenol volumetric flask (4.8) to 10mL of methanol was added (4.3) to the mark, to give a concentration of 50μg/PCP standard working mL solution. 4.10 Internal standard. tribromophenol (TBP) standard reagents, purity > 98% (or use aldrin). 4.11 internal standard stock solution. Weigh tribromophenol 12.5mg (4.10), to the nearest 0.1mg, and dissolved in 25mL methanol (4.3), as the reservoir Preparation of the solution, the stock solution at a concentration of 500μg/mL. 4.12 internal standard working solution. Pipette 1.0mL of the internal standard stock solution (4.11) to a 10mL volumetric flask, add methanol (4.3) to the mark, A concentration of 50μg/PCP standard working mL solution. ......

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