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GB/T 34698-2017 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 34698-2017: Rubber compounding ingredients -- Determination of water soluble substance of silica, precipitated, hydrated -- Electrolytic conductivity method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 34698-2017	199	Add to Cart	3 days	Rubber compounding ingredients -- Determination of water soluble substance of silica, precipitated, hydrated -- Electrolytic conductivity method	Valid

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Basic data

Standard ID: GB/T 34698-2017 (GB/T34698-2017)
Description (Translated English): Rubber compounding ingredients -- Determination of water soluble substance of silica, precipitated, hydrated -- Electrolytic conductivity method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G49
Classification of International Standard: 83.040.20
Word Count Estimation: 10,115
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 34698-2017: Rubber compounding ingredients -- Determination of water soluble substance of silica, precipitated, hydrated -- Electrolytic conductivity 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 compounding ingredients - Determination of water soluble substance of silica, precipitated, hydrated-Electrolytic conductivity method ICS 83.040.20 G49 National Standards of People's Republic of China Rubber compound Precipitated hydrated silica Water soluble content - Determination of conductivity method Rubber compoundingredredients-Determinationofwatersolublesubstanceof silica, precipitated, hydrated-Electrolyticconductivitymethod 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

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard proposed by the China Petroleum and Chemical Industry Federation. This standard by the National Rubber and Rubber Products Standardization Technical Committee (SAC/TC35) centralized. This standard was drafted unit. Indeed Silicone Chemical Co., Ltd., Solvay Fine Chemical Additives (Qingdao) Co., Ltd., Engineering Research Institute Co., Ltd., Wuxi Heng Cheng Silicon Co., Ltd., Shas County, Fujian Province Sands Silica Manufacturing Co., Ltd., Lone Star Chemical Co., Ltd. Co., Ltd., Jiangxi Black Cat Carbon Black Co., Ltd., Fujian Zhengsheng Inorganic Materials Co., Ltd., Fujian Yuanxiang New Materials Co., Ltd. Division, Golden Technology Co., Ltd., Zhuzhou Xinglong New Materials Co., Ltd., Sichuan Institute of Technology. The main drafters of this standard. Mao Shaobing, Shi Feng, Deng Yi, Wang Dingyou, Lu Aiping, Fan Xizhou, Hou Hegang, Lv Junying, Xie Zhixiong, Wang Chenghui, Zhang Hui, Tang Zhi Fan, Chen Jian. Rubber compound Precipitated hydrated silica Water soluble content - Determination of conductivity method Warning --- personnel using this standard should have formal laboratory work experience. This standard 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 standard specifies the method for the determination of the water-soluble content of precipitated hydrated silica by the conductivity method. This standard applies to sulfuric acid precipitation produced hydrated silica. Other methods to produce precipitated hydrated silica can be used for reference.

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 6003.1 Test sieves - Technical requirements and testing - Part 1. Wire mesh sieve test sieves GB/T 8170 rounded repair rules and limit values of the representation and judgment HG/T 3061 rubber compound precipitated hydrated silica

3 principle

The conductivity of the solution is the ability of the anions and cations to migrate between positive and negative electrodes, and the conductivity is proportional to the concentration of ions in solution For example, the conductivity can be indirectly measured by measuring the content of soluble salts.

4 Reagents and materials

Unless otherwise noted, use only the following reagents and materials in the assay. --- Sodium sulfate (Na2SO4), analytical grade; --- Distilled or deionized water or rather pure water.

5 instruments

5.1 Analytical balance, dividing the value of 0.1mg. 5.2 Mortar. 5.3 magnetic stirrer. 5.4 Conductivity meter, with a constant 1.0cm-1 conductivity electrode. 5.5 stoppered conical flask, 250mL. 5.6 test sieve, Φ200mm × 25mm/0.25mm, in line with the provisions of GB/T 6003.1. 5.7 measuring cylinder, 250mL. 5.8 magnetic stirring rod, the surface of PTFE or fluorocarbon chemical resistant coating, the size suitable for 250mL stopper ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 34698-2017_English be delivered?

Answer: Upon your order, we will start to translate GB/T 34698-2017_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 34698-2017_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 34698-2017_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.