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SN/T 4269-2015 English PDF

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US$229.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
SN/T 4269-2015: Food contact materials - Polymer - Determination of 2-hydroxy-4-methoxy-benzophenon in food simulants - High performance liquid chromatography
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 4269-2015	229	Add to Cart	3 days	Food contact materials - Polymer - Determination of 2-hydroxy-4-methoxy-benzophenon in food simulants - High performance liquid chromatography	Valid

Similar standards

GB 13432 SN/T 3390 GB/T 23887 SN/T 4266 SN/T 4267 SN/T 4265

Basic data

Standard ID: SN/T 4269-2015 (SN/T4269-2015)
Description (Translated English): Food contact materials - Polymer - Determination of 2-hydroxy-4-methoxy-benzophenon in food simulants - High performance liquid chromatography
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: X08
Word Count Estimation: 10,186
Date of Issue: 2015-05-26
Date of Implementation: 2016-01-01
Quoted Standard: GB/T 6682; GB/T 23296.1
Regulation (derived from): State Quality-Inspection-accreditation [2015] No.224
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the food simulants 2-hydroxy-4-methoxy benzophenone high-performance liquid chromatographic 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 of water-based mimetics and six kinds of olive oil food simulants hydroxy-4-methoxy benzophenone measured content.

SN/T 4269-2015: Food contact materials - Polymer - Determination of 2-hydroxy-4-methoxy-benzophenon 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 - Polymer food simulants 2-hydroxy-4-methoxy benzophenone by HPLC) People's Republic of China Entry-Exit Inspection and Quarantine Standards Food contact materials - Polymer food mold The quasi-physical hydroxy-4-methoxybenzophenone Ketone HPLC 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 National Certification and Accreditation Administration Committee. This standard was drafted. People's Republic of China Jiangsu Entry-Exit Inspection and Quarantine Bureau. The main drafters of this standard. Luo Shipeng, Xu Yan, Kouhai Juan, Huangchen Yang, Huang Xiaoyu, Zhouya Jing, Wang Wenhui. Food contact materials - Polymer food mold The quasi-physical hydroxy-4-methoxybenzophenone Ketone HPLC

1 Scope

This standard specifies the food simulants 2-hydroxy-4-methoxy benzophenone high-performance liquid chromatographic 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 of water and olive oil-based mimetics six kinds of food simulants 2-hydroxy-4-methoxy benzophenone content Determination.

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 the restricted substances in a plastic substance specific migration into foods and food simulants Test methods and determination of exposure to food simulants and conditions Selection Guide

3 Method summary

Food simulants 2-hydroxy-4-methoxy benzophenone are separated by high performance liquid chromatography, UV detectors check Measurement. Water-based food simulants direct injection, olive oil mimetic by acetonitrile extraction backward like a whirlpool, using external standard.

4 Reagents and materials

Unless otherwise indicated, the reagents used were of analytical grade water for the three water GB/T 6682 stipulated. 4.1 2-hydroxy-4-methoxy benzophenone (C14H12O3, CAS number. 131-57-7). purity of greater than 99.0% (mass fraction). 4.2 acetic acid. 4.3 ethanol. 4.4 Refined olive oil. 4.5 acetonitrile chromatography. 4.6 3% (mass concentration) acetic acid solution. Weigh 30g (accurate to 0.1g) in glacial acetic acid (4.2) in 1L flask, water volume. 4.7 10% (by volume) ethanol. Measure 100mL anhydrous ethanol (4.3) in 1L flask, water volume. 4.8 20% (by volume) ethanol. amount of 200mL ethanol (4.3) in 1L flask, water volume. 4.9 50% (by volume) ethanol. amount of 500mL ethanol (4.3) in 1L flask, water volume. 4.10 water-based food simulants used 2-hydroxy-4-methoxy benzophenone stock standard solution (1.0mg/mL). Weigh accurately hydroxy-4 Methoxy benzophenone standard (4.1) 0.1g in 100mL flask, accurate to 0.0001g, with acetonitrile (4.5) to the mark, in 0 ℃ ~ 4 ℃ sealed from light. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of SN/T 4269-2015_English be delivered?

Answer: Upon your order, we will start to translate SN/T 4269-2015_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 4269-2015_English with my colleagues?

Answer: Yes. The purchased PDF of SN/T 4269-2015_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.