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SN/T 3943-2014 English PDF

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US$259.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
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	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 3943-2014	259	Add to Cart	3 days	Food contact materials. Paper and regenerated fiber materials. Paper and paperboard. Determination of methylene dithiocyanate in food simulants. High performance liquid chromatography	Valid

Similar standards

GB 13432 SN/T 3390 GB/T 23887 SN/T 3939 SN/T 3940 SN/T 3938

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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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of SN/T 3943-2014_English be delivered?

Answer: Upon your order, we will start to translate SN/T 3943-2014_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of SN/T 3943-2014_English with my colleagues?

Answer: Yes. The purchased PDF of SN/T 3943-2014_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.