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www.ChineseStandard.net Database: 189760 (18 Oct 2025)

SN/T 4182-2015 English PDF

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SN/T 4182-2015: Determination of propylene oxide and epichlorohydrin monomers in imported epoxy coating - Headspace-gas chromatography
Status: Valid

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
SN/T 4182-2015	English	189	Add to Cart	3 days [Need to translate]	Determination of propylene oxide and epichlorohydrin monomers in imported epoxy coating - Headspace-gas chromatography	Valid	SN/T 4182-2015

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Basic data

Standard ID	SN/T 4182-2015 (SN/T4182-2015)
Description (Translated English)	Determination of propylene oxide and epichlorohydrin monomers in imported epoxy coating - Headspace-gas chromatography
Sector / Industry	Commodity Inspection Standard (Recommended)
Classification of Chinese Standard	G51
Classification of International Standard	87.040
Word Count Estimation	8,822
Date of Issue	2015-05-26
Date of Implementation	2016-01-01
Regulation (derived from)	State Quality-Inspection-accreditation [2015] No.224
Issuing agency(ies)	General Administration of Customs
Summary	This standard specifies the imported epoxy resin coatings headspace propylene oxide and epichlorohydrin monomer content - Gas chromatography method. This standard applies to the determination epoxy monomer propylene oxide and epichlorohydrin in.

SN/T 4182-2015: Determination of propylene oxide and epichlorohydrin monomers in imported epoxy coating - Headspace-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.
(Headspace imported epoxy resin coatings of propylene oxide and epichlorohydrin monomer - Gas Chromatography) People's Republic of China Entry-Exit Inspection and Quarantine Standards Imported epoxy resin coatings propylene oxide and ethylene chlorine Headspace propane monomer - Gas Chromatography Issued on. 2015-05-26 2016-01-01 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 China Certification and Accreditation Regulatory Commission. This standard was drafted. People's Republic of China Shanghai Entry-Exit Inspection and Quarantine Bureau. The main drafters of this standard. water Chen Jun, Ma Tengzhou, Zhou Yun, Ma Ming, Zhou Yuyan Shao Min. Imported epoxy resin coatings propylene oxide and ethylene chlorine Headspace propane monomer - Gas Chromatography

1 Scope

This standard specifies the imported epoxy resin coatings headspace propylene oxide and epichlorohydrin monomer content - Gas chromatography method. This standard applies to the determination epoxy monomer propylene oxide and epichlorohydrin in.

2 Method summary

After the epoxy coating sample in a sealed vial through N, N- dimethylacetamide (DMAC) was dissolved, at a certain temperature heating Given time, so that the system of residual epichlorohydrin monomer and propylene oxide in a gas-liquid two-phase distribution to reach equilibrium. Then, the air is introduced into the top Gas chromatographic separation, detection with flame ionization detector (FID), external standard.

3 Reagents and materials

3.1 N, N- dimethylacetamide (DMAC). chromatography. 3.2 propylene oxide. purity ≥99%. Epichlorohydrin 3.3. Purity ≥99%. 3.4 propylene oxide stock solution (10.0mg/mL). Weigh accurately 100mg of propylene oxide (3.2), placed in 10mL volumetric flask DMAC (3.1) was diluted formulated as 10.0mg/mL stock solution of propylene oxide. 3.5 epichlorohydrin stock solution (10.0mg/mL). Weigh accurately 100mg of epichlorohydrin (3.3), placed in 10mL volumetric flask, (3.1) diluted formulated to 10.0mg/mL stock solution with epichlorohydrin DMAC. 3.6 propylene oxide standard solution (200mg/L). Pipette 2.0mL of propylene oxide stock solution (10.0mg/mL) placed in 100mL flasks The diluted standard solution with DMAC (3.1), propylene oxide concentration of 200mg/L. 3.7 epichlorohydrin standard solution (200mg/L). Pipette epichlorohydrin stock solution (10.0mg/mL) 2.0mL placed in 100mL capacity Flask, diluted with DMAC (3.1) into a standard solution, epichlorohydrin concentration of 200mg/L. 3.8 mixed standard solution. Pipette were standard solution of propylene oxide (200mg/L) (3.6) 2.5μL, 25μL, 50μL, 0.10mL, 0.50mL, 1.0mL, 2.5mL, 5.0mL 10mL volumetric flask in 8 (4.6), and then the standard solution were pipetted epichlorohydrin (200mg/L) (3.7) 25μL, 50μL, 0.10mL, 0.25mL, 0.50mL, 1.0mL, 2.5mL, 5.0mL to the above 8 10mL volumetric flask, were added to DMAC (3.1) diluted to the mark, and mix into the mixed standard solution (containing propylene oxide per ml, respectively 0.05μg, 0.5μg, 1μg, 2μg, 10μg, 20μg, 50μg, 100μg; epichlorohydrin 0.5μg per ml, respectively, 1μg, 2μg, 5μg, 10μg, 20μg, 50μg, 100μg). Pipette the solution 5.0mL to 20mL headspace vial (4.4), the fast close the lid seal After the vial is placed automatic headspace sampler (4.2) in accordance with the conditions of the test 5.2.

4 instruments and equipment

4.1 Gas chromatograph. with flame ionization detector (FID). 4.2 automatic headspace sampler. 4.3 Analysis of balance. a sense of the amount of 0.1mg.

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