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GB/T 4498.2-2017 English PDF

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US$199.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 4498.2-2017: Rubber -- Determination of ash -- Part 2: Thermogravimetric analysis
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 4498.2-2017	199	Add to Cart	3 days	Rubber -- Determination of ash -- Part 2: Thermogravimetric analysis	Valid

Similar standards

GB/T 2941 GB/T 3511 GB/T 3512 GB/T 4498.1 GB/T 4499 GB/T 4497.2

Basic data

Standard ID: GB/T 4498.2-2017 (GB/T4498.2-2017)
Description (Translated English): Rubber -- Determination of ash -- Part 2: Thermogravimetric analysis
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G40
Classification of International Standard: 83.060
Word Count Estimation: 10,165
Date of Issue: 2017-11-01
Date of Implementation: 2018-05-01
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

GB/T 4498.2-2017: Rubber -- Determination of ash -- Part 2: Thermogravimetric analysis

---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-Determination of ash-Part 2. Thermogravimetric analysis ICS 83.060 G40 National Standards of People's Republic of China Determination of rubber ash Part 2. TGA Posted.2017-11-01 2018-05-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released

Foreword

GB/T 4498 "Determination of rubber ash" is divided into two parts. --- Part 1. Muffle furnace; --- Part 2. TGA. This section GB/T 4498 Part 2. This section drafted in accordance with GB/T 1.1-2009 given rules. This part is proposed by China Petroleum and Chemical Industry Federation. This part of the National Rubber and Rubber Products Standardization Technical Committee (SAC/TC35) centralized. This part of the drafting unit. PetroChina Institute of Petrochemical Research, Chinese Academy of Tropical Agricultural Sciences, agricultural products processing Institute, PetroChina Dushanzi Petrochemical Company, Yee Yi Yue Rubber Research Institute Co., Ltd., China Petrochemical Co., Ltd. Beijing Institute of Beijing Yanshan Branch, Xishuangbanna Prefecture Quality and Technical Supervision Comprehensive Testing Center, Guizhou Tire Co., Ltd., Guangzhou Institute of Synthetic Materials Co., Ltd. The main drafters of this section. Li Xiaoyin, Yang Fang, Lu Mingzhe, Jia Huiqing, Wu Yi, Zhai Yueqin, Sun Feng, Wei Yuli, Ding Zhaojuan, Zhao Xia, Lu Qiang, Yang Hongling. Determination of rubber ash Part 2. TGA Warning --- personnel using this section should have formal laboratory work experience. This section does not indicate all possible safety issues question. It is the user's responsibility to take appropriate safety and health measures and to ensure compliance with the requirements of the relevant state laws and regulations.

1 Scope

This section GB/T 4498 specifies the use of thermogravimetric analyzer (TGA) Determination of raw rubber, rubber and vulcanized rubber ash two method. This section applies to GB/T 5576 provisions of the M, O, R and U raw rubber, rubber and vulcanized rubber ash determination. --- Method A for measuring raw rubber. --- Method B for the determination of rubber and vulcanized rubber. This section does not include to explain the rubber compound or vulcanized rubber in the inorganic chemical composition and ash. Note that these two methods do not always give the same result.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 5576 rubber and latex nomenclature GB/T 15340 natural, synthetic raw gum sampling and sample preparation methods GB/T 17783 vulcanized rubber samples and the preparation of the sample --- chemical test Determination of volatiles content of raw rubber GB/T 24131-2009

3 principle

The known quality of the rubber sample heated under nitrogen decomposition, to be completely decomposed after the sample, switch to oxygen or air, continue heating Until the carbonaceous material is completely burnt out and reaches a constant weight, the mass of the residue is the mass of ash.

4 Reagents or materials

4.1 Nitrogen gas Purity ≥ 99.99% (volume fraction). 4.2 Oxygen. Purity ≥ 99.99% (volume fraction), or air.

5 equipment

5.1 Thermogravimetric Analyzer, including the following components. a) hot balance; b) heating furnace; ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 4498.2-2017_English be delivered?

Answer: Upon your order, we will start to translate GB/T 4498.2-2017_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 4498.2-2017_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 4498.2-2017_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.