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GB/T 29644-2013 English PDF

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US$139.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 29644-2013: Rubber, vulcanized -- Determination the content of N-phenyl-β-naphthylamine -- High performance liquid chromatographic method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 29644-2013	139	Add to Cart	3 days	Rubber, vulcanized -- Determination the content of N-phenyl-β-naphthylamine -- High performance liquid chromatographic method	Valid

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Basic data

Standard ID: GB/T 29644-2013 (GB/T29644-2013)
Description (Translated English): Rubber, vulcanized -- Determination the content of N-phenyl-��-naphthylamine -- High performance liquid chromatographic method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G40
Classification of International Standard: 83.060
Word Count Estimation: 6,621
Regulation (derived from): National Standards Bulletin 2013 No. 17
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: using high-performance liquid chromatography for vulcanized rubber N- phenyl -��- naphthylamine content determination. This standard applies to: vulcanized rubber N- phenyl -��- naphthylamine content determined.

GB/T 29644-2013: Rubber, vulcanized -- Determination the content of N-phenyl-β-naphthylamine -- High performance liquid chromatographic method

---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.
Rubber, vulcanized.Determination the content of N-phenyl-β-naphthylamine.High performance liquid chromatogramic method ICS 83.060 G40 National Standards of People's Republic of China Determination of vulcanized rubber N- phenyl-naphthylamine content -β- High Performance Liquid Chromatography Rubber, vulcanized-DeterminationthecontentofN-phenyl-β-naphthylamine- Issued on. 2013-09-06 2014-01-31 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 given rules drafted. The standard proposed by China Petroleum and Chemical Industry Association. This standard by the National Standardization Technical Committee rubber and rubber products, Common test methods for Club (SAC/TC35/SC2) centralized. This standard was drafted. Guizhou Tyre Co., Ltd., Shandong Linglong Tyre Co., Ltd., Xiamen Cheng Shin Rubber Industry Co., Ltd., North Beijing Rubber Industry Research and Design Institute, Beijing Physical and Chemical Analysis Center. The main drafters of this standard. Zhou Ji, Ho Sin, Miss Polly Chan, Yang Yijie, Bian Xiaoting, Ding Xiaoying, Xie Junfang, Chenqi Rong, Liu Sinoe. Determination of vulcanized rubber N- phenyl-naphthylamine content -β- High Performance Liquid Chromatography Warning --- personnel should use this standard regular laboratory work experience. This standard does not point out all possible security asked Questions, the user has the responsibility to take appropriate safety and health practices and to ensure compliance with the conditions relevant national regulations.

1 Scope

This standard specifies the method of high performance liquid chromatography for the determination vulcanized rubber N- phenyl -β- naphthylamine content use. This standard applies to the determination of vulcanized rubber -β- N- phenyl-naphthylamine content. Principle 2 Quantitatively extracted from the vulcanized rubber -β- N- phenyl-naphthylamine, which is separated from the remaining components of the extract by high performance liquid chromatography (HPLC), and Detect component peak, the measured peak area. Determination known amount under the same conditions -β- N- phenyl-naphthylamine peak areas. Calculation of vulcanized rubber The N- phenyl -β- naphthylamine content.

3 Reagents

3.1 Eluent A. methanol (HPLC grade) and 0.01mol/L ammonium acetate (AR) 1.1 aqueous mixture (volume ratio). 3.2 eluent B. methanol (HPLC grade). 3.3 Extraction solvent. isopropyl alcohol (HPLC grade) and dichloromethane (HPLC grade) 2.1 (by volume) mixture.

4 Instrument

4.1 High performance liquid chromatograph. with a gradient elution capacity by a 10μL fixed loop autosampler, a variable wavelength UV - visible Detector and a record - integrated data system. 4.2 HPLC column. RP-type particle size of 5μm or SPHERI5ODS HYPERSILODS column. If you use it His column dimensions, should be modified elution. 4.3 ultrasonic bath. capacity of about 2L, frequency of 47.6kHz ± 4.8kHz. As long as the full extraction of the antioxidants available in different capacities and operating frequency of an ultrasonic bath. 4.4 Analytical balance. accurate to 0.01mg.

5 chromatographic conditions

5.1 A pump. delivery eluent A (3.1). 5.2 B pump. delivery eluent B (3.2). 5.3 flow rate. 0.25mL/min. 5.4 column temperature. 40 ℃. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 29644-2013_English be delivered?

Answer: Upon your order, we will start to translate GB/T 29644-2013_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 29644-2013_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 29644-2013_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.