GB/T 36764-2018 English PDF

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GB/T 36764-2018: Rubber compounding ingredients -- Silica, precipitated, hydrated -- Determination of heavy metal content by inductively coupled plasma atomic emission spectrometric method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 36764-2018	119	Add to Cart	3 days	Rubber compounding ingredients -- Silica, precipitated, hydrated -- Determination of heavy metal content by inductively coupled plasma atomic emission spectrometric method	Valid

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Basic data

Standard ID: GB/T 36764-2018 (GB/T36764-2018)
Description (Translated English): Rubber compounding ingredients -- Silica, precipitated, hydrated -- Determination of heavy metal content by inductively coupled plasma atomic emission spectrometric method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G49
Classification of International Standard: 83.040.20
Word Count Estimation: 6,663
Date of Issue: 2018-09-17
Date of Implementation: 2019-04-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 36764-2018: Rubber compounding ingredients -- Silica, precipitated, hydrated -- Determination of heavy metal content by inductively coupled plasma atomic emission spectrometric 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 agent, precipitated hydrated silica, determination of heavy metal content by inductively coupled plasma atomic emission spectrometry) ICS 83.040.20 G49 National Standards of People's Republic of China Rubber compounding agent for precipitation of hydrated silica Inductively coupled plasma atomic emission spectrometer Determination of heavy metal content Published on.2018-09-17 Implementation of.2019-04-01 State market supervision and administration China National Standardization Administration issued

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the China Petroleum and Chemical Industry Federation. This standard is under the jurisdiction of the National Rubber and Rubber Products Standardization Technical Committee (SAC/TC35). This standard is drafted by. Shuangqian Tire Group Co., Ltd., Zhonghao Heiyuan Chemical Research and Design Institute Co., Ltd., Anhui Jiatong Passenger Radial Tire Co., Ltd., Shaxian Jinsha White Carbon Black Manufacturing Co., Ltd., Jiangxi Black Cat Charcoal Black Co., Ltd., Fujian Zhengsheng Machine Materials Co., Ltd., Shanghai Application Lab, Spike Analytical Instruments, Germany. The main drafters of this standard. Dong Wenwu, Jiang Qi, Deng Yi, Li Li, Fan Xizhou, Lu Junying, Xie Zhixiong, Li Xiangmei, Huang Zhongyu. Rubber compounding agent for precipitation of hydrated silica Inductively coupled plasma atomic emission spectrometer Determination of heavy metal content Caution - Personnel using this standard should have practical experience in formal laboratory work. This standard does not indicate all possible security questions. question. It is the responsibility of the user to take appropriate safety and health measures and to ensure compliance with the conditions set by the relevant national regulations.

1 Scope

This standard specifies the determination of total lead in heavy metals in precipitated hydrated silica (silica) by inductively coupled plasma atomic emission spectrometry. (Pb), total cadmium (Cd), total copper (Cu), total manganese (Mn), total iron (Fe) a total of five elements of the content of the method. This standard applies to precipitated hydrated silica.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply 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 6682-2008, ISO 3696.1987, MOD) GB/T 8170 Numerical Rounding Rules and Representation and Determination of Limit Values HG/T 3061 rubber compounding agent precipitated hydrated silica

3 Principle

After the sample is dissolved by mixed acid, the solution is made up to volume, and the lead metal (Pb) and cadmium are determined by inductively coupled plasma atomic emission spectrometry. The concentration of (Cd), copper (Cu), manganese (Mn), iron (Fe), etc., calculates the content of heavy metals in the sample.

4 reagents and materials

Only analytically pure reagents were used in the analysis unless otherwise specified. 4.1 Water, GB/T 6682, Level 2. 4.2 Nitric acid with a mass fraction of 65%. 4.3 Hydrofluoric acid, excellent grade pure. 4.4 Sulfuric acid, 1.1 (volume ratio). 4.5 Standard stock solution. Lead (Pb), cadmium (Cd), copper (Cu), manganese (Mn), iron (Fe) heavy metal standard stock solutions can use national standard materials or national standards The sample has a concentration of 100 mg/L. 4.6 Standard working solution. The required mixed standard working solution was prepared according to the content range of each element. This solution is valid for 1 week if turbidity, precipitation or color When there is a change in color, etc., it should be reconstituted. ......

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