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SN/T 3819-2014 PDF English

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SN/T 3819-2014: Determination of 2-(2-butoxyethoxy) ethanol in liquid abstergent - Gas chromatography
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SN/T 3819-2014English209 Add to Cart 3 days [Need to translate] Determination of 2-(2-butoxyethoxy) ethanol in liquid abstergent - Gas chromatography

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Basic data

Standard ID SN/T 3819-2014 (SN/T3819-2014)
Description (Translated English) Determination of 2-(2-butoxyethoxy) ethanol in liquid abstergent - Gas chromatography
Sector / Industry Commodity Inspection Standard (Recommended)
Classification of Chinese Standard Y43
Classification of International Standard 71.100.40
Word Count Estimation 8,831
Quoted Standard GB/T 8170
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 liquid cleaning products diethylene glycol monobutyl gas chromatographic method content. This standard applies to liquid cleaning products diethylene glycol monomethyl ether determination, the detection limit of 10 mg/kg.

SN/T 3819-2014: Determination of 2-(2-butoxyethoxy) ethanol in liquid abstergent - Gas chromatography




---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.
(Liquid cleaning supplies in diethylene glycol monomethyl ether - Determination - Gas Chromatography) People's Republic of China Entry-Exit Inspection and Quarantine Standards Liquid cleaning products - Determination of diethylene glycol monobutyl ether Gas chromatography Determinationof2- (2-butoxyethoxy) ethanolinliquidabstergent- 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, Ningbo Entry-Exit-Entry Inspection and People's Republic of China Fujian Quarantine Bureau. The main drafters of this standard. Luo, Lin Zhenxing, Ye Jia Mei, Zhang Ying, Tie shirt, Walter Huang, Sun Jun Meng, Wu bud, Tang Xi. Liquid cleaning products - Determination of diethylene glycol monobutyl ether Gas chromatography

1 Scope

This standard specifies the liquid cleaning products diethylene glycol monobutyl gas chromatographic method content. This standard applies to liquid cleaning products diethylene glycol monomethyl ether determination, the detection limit of 10mg/kg.

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 8170 repair value expressed about the rules and limit values and judgment

3 Method summary

After the sample was dissolved with ethanol, by gas chromatography (FID) assay, double column retention time qualitative, external standard.

4 Reagents and materials

Unless otherwise specified, the reagents used were of analytical grade. 4.1 ethanol. 4.2 Diethylene glycol monobutyl ether. CAS. 112-34-5, purity ≥99.0%. 4.3 stock standard solution (1000μg/mL). Weigh 0.1g diethylene glycol monobutyl ether (accurate to 0.1mg), anhydrous ethanol to 100mL, get the standard stock solution. 4.4 standard solution. were taken 0.1mL, 0.5mL, 1.0mL and 2.0mL of standard stock solution (4.3), with anhydrous ethanol to 10mL, to give a concentration of 10μg/mL, standard work 50μg/mL, 100μg/mL and 200μg/mL solution series. 5. Apparatus 5.1 Gas chromatograph. with a flame ionization detector (FID). 5.2 Balance. a sense of the amount of 0.1mg. 5.3 vortex mixer. 5.4 glass flask. 10mL, A grade.

6 sample

After mixing the sample, with the balance (5.2) Weigh 1g (accurate to 0.1mg) in a volumetric flask (5.4) and anhydrous ethanol (4.1), set the volume to 10mL, using a vortex mixer (5.3) mixed, tested. ...

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