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GB/T 34692-2017 English PDF

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GB/T 34692-2017: Thermoplastic elastomer -- Determination of halogen -- Oxygen bomb combustion-ion chromatography
Status: Valid
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GB/T 34692-2017English199 Add to Cart 3 days [Need to translate] Thermoplastic elastomer -- Determination of halogen -- Oxygen bomb combustion-ion chromatography Valid GB/T 34692-2017

PDF similar to GB/T 34692-2017


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Basic data

Standard ID GB/T 34692-2017 (GB/T34692-2017)
Description (Translated English) Thermoplastic elastomer -- Determination of halogen -- Oxygen bomb combustion-ion chromatography
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G40
Classification of International Standard 83.060
Word Count Estimation 10,128
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 34692-2017: Thermoplastic elastomer -- Determination of halogen -- Oxygen bomb combustion-ion chromatography


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Thermoplastic elastomer-Determination of halogen-Oxygen bomb combustion-ion chromatography ICS 83.060 G40 National Standards of People's Republic of China Thermoplastic elastomers - Determination of halogen content Oxygen bomb combustion - Ion chromatography 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. Zhejiang Sanbo Polymer Co., Ltd., Ningbo Institute of product quality supervision, Shanghai Cable Research Institute have Limited, the People's Republic of China Ningbo Exit Inspection and Quarantine, Anhui and Asia-Plastic Technology Co., Ltd., Shenzhen Hongming Rong Technology Limited Company, Shengzhou Product Quality Supervision and Inspection Institute, Cixi City Hill now polymer Plastic Co., Ltd.. The main drafters of this standard. Sun Hang, Feng Zhen, Zheng Lin, Hong Ningning, Ge Jun, Wang Minggan, Zhou Zanbin, Deng Qinglong, Zhou Xidong, Cen built up. Thermoplastic elastomers - Determination of halogen content Oxygen bomb combustion - Ion chromatography 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 oxygen bomb combustion - ion chromatography Determination of thermoplastic elastomers and their products halogen chloride, bromine content of the test method. This standard applies to thermoplastic elastomers and their products halogen chlorine, bromine determination, also applies to aqueous samples or difficult to burn Determination of chlorine and bromine in samples. Determination of chlorine ≤ 1500mg/kg, bromine ≤ 1500mg/kg; method detection limit. Chlorine 15mg/kg, Bromine 75 mg/kg. This standard does not apply to the initial sample or in the combustion step to produce insoluble halide samples.

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 6682 analytical laboratory water specifications and test methods GB/T 30991 smart bomb bomb calorimeter general technical conditions

3 principle

The sample is burned in a closed oxygen bomb system containing hyperbaric oxygen and the chlorine-, bromine-containing compounds are converted to chlorides that can be absorbed by the solution, Bromide. After absorption of the solution was measured by ion chromatography, external standard method.

4 Reagents or materials

Unless otherwise indicated, all reagents used were of analytical grade. 4.1 water .GB/T 6682, a. 4.2 sodium carbonate. 4.3 Sodium bicarbonate. Excellent grade pure. 4.4 Eluent (sodium carbonate 0.0045mol/L sodium bicarbonate 0.0014mol/L). Weigh 0.477 g of sodium carbonate (4.2) and 0.118 g Sodium bicarbonate (4.3) in a beaker, dissolved in water and set to 1000mL. 4.5 Absorbate (Sodium carbonate 0.0225 mol/L Sodium bicarbonate 0.0070 mol/L). Weigh 2.385 g of sodium carbonate (4.2) and 0.590 g Sodium bicarbonate (4.3) in a beaker, dissolved in water and set to 1000mL. 4.6 Oxygen Purity ≥99.9%. 4.7 Combustion agent. Methanol. 4.8 chloride standard stock solution (100mg/L). Accurately remove commercially available chloride ion standard solution 1000mg/mL10mL in 100mL

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