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SN/T 3943-2014 English PDF

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SN/T 3943-2014: Food contact materials. Paper and regenerated fiber materials. Paper and paperboard. Determination of methylene dithiocyanate in food simulants. High performance liquid chromatography
Status: Valid

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
SN/T 3943-2014	English	259	Add to Cart	3 days [Need to translate]	Food contact materials. Paper and regenerated fiber materials. Paper and paperboard. Determination of methylene dithiocyanate in food simulants. High performance liquid chromatography	Valid	SN/T 3943-2014

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Basic data

Standard ID	SN/T 3943-2014 (SN/T3943-2014)
Description (Translated English)	Food contact materials. Paper and regenerated fiber materials. Paper and paperboard. Determination of methylene dithiocyanate in food simulants. High performance liquid chromatography
Sector / Industry	Commodity Inspection Standard (Recommended)
Classification of Chinese Standard	X08
Classification of International Standard	67.250
Word Count Estimation	10,132
Date of Issue	4/9/2014
Date of Implementation	11/1/2014
Quoted Standard	GB/T 6682; GB/T 23296.1
Regulation (derived from)	State inspection certification (2014) 210
Issuing agency(ies)	General Administration of Customs
Summary	This standard specifies the HPLC food simulant methylene bis thiocyanate determination method. This standard applies to water, 3% (mass concentration) solution of acetic acid, 10% (by volume) ethanol, 20% (by volume) ethanol, 50% (volume fraction) ethanol

SN/T 3943-2014: Food contact materials. Paper and regenerated fiber materials. Paper and paperboard. Determination of methylene dithiocyanate in food simulants. High performance liquid 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.
Food contact materials. Paper and regenerated fiber materials. Paper and paperboard. Determination of methylene dithiocyanate in food simulants. High performance liquid chromatography People's Republic of China Entry-Exit Inspection and Quarantine Standards Food contact materials paper, recycled fiber material Paper and cardboard food simulants Methylene Double thiocyanate of HPLC Issued on. 2014-04-09 2014-11-01 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. Please note that some of the content of this document may involve patents. Release mechanism of the present document does not assume responsibility for the identification of these patents. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. Chinese Academy of Inspection and Quarantine. The main drafters of this standard. Ma Qiang, Ding Lan, birch, Meng double TRANSACTIONS OF Makuai Juan, Li Jingrui. Food contact materials paper, recycled fiber material Paper and cardboard food simulants Methylene Double thiocyanate of HPLC

1 Scope

This standard specifies the HPLC food simulant methylene bis thiocyanate determination method. This standard applies to water, 3% (mass concentration) solution of acetic acid, 10% (by volume) ethanol, 20% (by volume) ethanol, 50% (volume fraction) ethanol solution and determination of six kinds of olive oil in food simulants of methylene bis thiocyanate.

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. GB/T 23296.1 plastic food contact materials in plastics restricted substances test substance specific migration into foods and food simulants Experience and determination method and exposure to food simulants Guide selected conditions. Principle 3 Food simulants methylene bis thiocyanate were separated by high performance liquid chromatography with UV or diode array detector Testing. Water-based food simulants direct injection, olive oil mimetic by acetonitrile extraction back injector, external standard.

4 Reagents and materials

Unless otherwise indicated, the reagents used were of analytical grade water as a water GB/T 6682 stipulated. 4.1 glacial acetic acid. 4.2 ethanol. 4.3 olive oil. 4.4 Methanol. HPLC grade. 4.5 acetonitrile. HPLC grade. 4.6 acetonitrile - water (21) the mixture. Measure 100mL of acetonitrile and water 50mL, mix. 4.7 3% (mass concentration) acetic acid solution. Weigh 30g (accurate to 0.1g) in glacial acetic acid (4.1) into 1L volumetric flask, dissolved in water and given To volume. 4.8 10% (by volume) ethanol. Measure 100mL anhydrous ethanol (4.2) into 1L volumetric flask, dissolved in water and dilute to Scale. 4.9 20% (by volume) ethanol. amount of 200mL ethanol (4.2) into 1L volumetric flask, dissolved in water and dilute to Scale. 4.10 to 50% (by volume) ethanol. amount of 500mL ethanol (4.2) into 1L volumetric flask, dissolved in water and dilute to

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