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SN/T 4085-2014 English PDF

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SN/T 4085-2014: Food contact materials - Paper recovered fiber materials - Determination of 1, 2-benzylisothiazolin-3-one 2-methyl-4-isothiazolin-3-one5-chloro-2-methyl-4-isothiazolin-3-one - High performance liquid chromatography method
Status: Valid
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
SN/T 4085-2014English189 Add to Cart 3 days [Need to translate] Food contact materials - Paper recovered fiber materials - Determination of 1, 2-benzylisothiazolin-3-one 2-methyl-4-isothiazolin-3-one5-chloro-2-methyl-4-isothiazolin-3-one - High performance liquid chromatography method Valid SN/T 4085-2014

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Basic data

Standard ID SN/T 4085-2014 (SN/T4085-2014)
Description (Translated English) Food contact materials - Paper recovered fiber materials - Determination of 1, 2-benzylisothiazolin-3-one 2-methyl-4-isothiazolin-3-one5-chloro-2-methyl-4-isothiazolin-3-one - High performance liquid chromatography method
Sector / Industry Commodity Inspection Standard (Recommended)
Classification of Chinese Standard X08
Classification of International Standard 67.250
Word Count Estimation 7,718
Date of Issue 12/1/2014
Date of Implementation 5/1/2015
Quoted Standard GB/T 6682
Regulation (derived from) State-Quality-Inspection-accreditation [2014] 614
Issuing agency(ies) General Administration of Customs
Summary This standard specifies the food contact material paper, recycled fiber material 1, 2-isothiazolin-3-one, 2-methyl-4-isothiazolin-3-one, 5-chloro-2-methyl -4-isothiazolin-3-one high performance liquid chromatographic method for determination of. This stan

SN/T 4085-2014: Food contact materials - Paper recovered fiber materials - Determination of 1, 2-benzylisothiazolin-3-one 2-methyl-4-isothiazolin-3-one5-chloro-2-methyl-4-isothiazolin-3-one - High performance liquid chromatography method



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(Food contact materials paper, recycled fiber material 1, 2-benzo-isothiazolin-3-one, 2-methyl-4-isothiazolin-3-one, 5-chloro-2-methyl-4-isopropyl Determination of thiazol-3- one of high performance liquid chromatography) People's Republic of China Entry-Exit Inspection and Quarantine Standards Food contact materials paper, recycled fiber material 1,2-isothiazolin-3-one, 2-methyl-4- Isothiazolin-3-one, 5-chloro-2-methyl-4-isothiazole Yl-3-one measured by HPLC Issued on. 2014-11-19 2015-05-01 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. The main drafters of this standard. Liu Jingjing, Zhang Xiaomei, Gong Ping, Cui Shuhua, Wang Tong territory, Sunzhong Song, Wang Jianhua. Food contact materials paper, recycled fiber material 1,2-isothiazolin-3-one, 2-methyl-4- Isothiazolin-3-one, 5-chloro-2-methyl-4-isothiazole Yl-3-one measured by HPLC

1 Scope

This standard specifies the food contact material paper, recycled fiber material 1,2-isothiazolin-3-one, 2-methyl-4-isothiazolin-3-one, 5-chloro-performance liquid chromatographic method methyl-4-isothiazolin-3-one. This standard applies to paper food contact materials, recycled fiber material 1,2-isothiazolin-3-one, 2-methyl-4-isothiazolin-3-one, 5-chloro-2-methyl-4-isothiazolin-3-one measurement.

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. Laboratory use specifications and test methods GB/T 6682 Analysis

3 Method summary

The sample was extracted with methanol 1,2-isothiazolin-3-one, 2-methyl-4-isothiazolin-3-one, 5-chloro-2-methyl-4-isothiazolin - 3-one, the extract was filtered, high performance liquid chromatography, according to their retention time qualitative, external standard.

4 Reagents and materials

Unless otherwise indicated, all reagents were of analytical grade water as a water GB/T 6682 regulations. 4.1 1,2-isothiazolin-3-one standard substance. purity of greater than or equal to 99%. 4.2 2-methyl-4-isothiazolin-3-one standard substance. purity of greater than or equal to 98%. 4.3 5-chloro-2-methyl-4-isothiazolin-3-one standard substance. purity of greater than or equal to 98%. 4.4 acetonitrile. chromatography. 4.5 Methanol. chromatographically pure. 4.6 formic acid. Chromatographic pure. 4.7 1,2-isothiazolin-3-one, 2-methyl-4-isothiazolin-3-one, 5-chloro-2-methyl-4-isothiazolin-3-one standard stock solution Solution. respectively accurately weighed amount of 1,2-isothiazolin-3-one, 2-methyl-4-isothiazolin-3-one, 5-chloro-2-methyl-4-isothiazolin -3 One standard substance (accurate to 0.1mg), with water to a concentration of 100mg/L standard stock solution, the stock standard solution 0 ℃ ~ 4 ℃ to avoid Light save. Standards English name, CAS Number and molecular formulas in Appendix A. 4.8 mixed standard working solution. accurate amount of 1,2-isothiazolin-3-one, 2-methyl-4-isothiazolin-3-one, 5-chloro-2-methyl-4- different Thiazol-3-one standard stock solution (4.7), water to be formulated into concentrations of 0.02mg/L, 0.05mg/L, 0.1mg/L, 0.2mg/L, 0.5mg/L, 1.0mg/L series of mixed standard working solution.

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