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GB/T 26702-2011 English PDF

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US$209.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 26702-2011: Leather and fur -- Chemical test -- Determination of dimethyl fumarate content
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 26702-2011	209	Add to Cart	3 days	Leather and fur -- Chemical test -- Determination of dimethyl fumarate content	Valid

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Basic data

Standard ID: GB/T 26702-2011 (GB/T26702-2011)
Description (Translated English): Leather and fur -- Chemical test -- Determination of dimethyl fumarate content
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Y46
Classification of International Standard: 59.140.30
Word Count Estimation: 9,954
Date of Issue: 2011-06-16
Date of Implementation: 2011-12-01
Quoted Standard: QB/T 1266; QB/T 1267; QB/T 1272; QB/T 2706; QB/T 2707; QB/T 2716
Regulation (derived from): Announcement of Newly Approved National Standards No. 9 of 2011
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the leather, fur dimethyl fumarate content by gas chromatography mass spectrometry. This standard applies to all kinds of leather, fur and articles thereof.

GB/T 26702-2011: Leather and fur -- Chemical test -- Determination of dimethyl fumarate content

---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.
Leather and fur. Chemical test. Determination of dimethyl fumarate content ICS 59.140.30 Y46 National Standards of People's Republic of China Leather and fur - Chemical tests Determination of dimethyl fumarate content Issued on. 2011-06-16 2011-12-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

Accordance with the standards GB/T 1.1-2009. Drafting Rules "Standardization Guide Part 1 standard structure and preparation of" given. The standard proposed by China National Light Industry Council. This standard by the National Leather Industry Standardization Technical Committee (SAC/TC252) centralized. This standard was drafted. Guangdong Entry-Exit Inspection and Quarantine Technology Center, National Leather Quality Supervision and Inspection Center (Zhejiang), the Chinese people Republic of Fujian Exit Inspection and Quarantine, China Leather and Footwear Industry Research Institute. The main drafters of this standard. Guo Renhong, Mahe Wei, Chenxue Can Liang Ying, Huangxin Xia, Tang Xi, Liang Jinling. Leather and fur - Chemical tests Determination of dimethyl fumarate content

1 Scope

This standard specifies the leather, fur dimethyl fumarate content by gas chromatography - mass spectrometry. This standard applies to all kinds of leather, fur and articles thereof.

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. QB/T 1266 fur finished physical performance test specimens using air regulation QB/T 1267 fur finished specimen parts and sign Preparation and chemical QB/T 1272 chemical analysis of samples of finished fur General Analysis QB/T 2706 leather chemical, physical, mechanical and color fastness test sample sites QB/T 2707 preparation and adjustment leather Physical and mechanical tests of samples QB/T 2716 Leather - Chemical test sample preparation Principle 3 Under ultrasonic action, extracted with ethyl sample of dimethyl fumarate, after purifying the extract by gas chromatography - mass spectrometry (GC/MS) detection, external standard.

4 Reagents and materials

4.1 ethyl acetate, chromatography; or analytical reagents, molecular sieve dehydration. 4.2 neutral alumina column, 6mL, 1g filler. 4.3 over anhydrous sodium sulfate, before use treatment at 400 ℃ 4h, cooled in a desiccator, spare. 4.4 Dimethyl fumarate (CAS Number. 624-49-7) standards, the purity of ≥99%. 4.5 preparation of standard solution. Weigh dimethyl fumarate standards (4.4) about 0.02g (accurate to 0.0001g) in a stoppered flask (5.6) with ethyl acetate to dissolve and dilute to the mark, shake, as the standard stock solution. Standard stock solution by diluting with ethyl acetate. Solution, formulated to concentrations of 0.1μg/mL, standard work 0.2μg/mL, 0.5μg/mL, 1μg/mL, 2μg/mL, 5μg/mL of Solution, stored for use in the 0 ℃ ~ 4 ℃ refrigerator. 5. Apparatus 5.1 Analytical balance, a sense of the amount of 0.0001g. 5.2 stoppered Erlenmeyer flask, 100mL. 5.3 ultrasonic extractor. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 26702-2011_English be delivered?

Answer: Upon your order, we will start to translate GB/T 26702-2011_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 GB/T 26702-2011_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 26702-2011_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.