SN/T 3601-2013 English PDF

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SN/T 3601-2013: Determination of total sulfur in graphite. Infrared absorption spectrometry
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 3601-2013	159	Add to Cart	3 days	Determination of total sulfur in graphite. Infrared absorption spectrometry	Valid

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Basic data

Standard ID: SN/T 3601-2013 (SN/T3601-2013)
Description (Translated English): Determination of total sulfur in graphite. Infrared absorption spectrometry
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: Q51
Classification of International Standard: 73.080
Word Count Estimation: 6,630
Regulation (derived from): National quality recognition (2013), No. 464; industry standard filing Notice No. 1 of 2014 (No. 169 overall)
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the method of infrared absorption spectrometry determination of total sulfur content of graphite in high temperature combustion. This standard applies to the determination of flake graphite, artificial graphite, graphite electrodes

SN/T 3601-2013: Determination of total sulfur in graphite. Infrared absorption spectrometry

---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.
Determination of total sulfur in graphite. Infrared absorption spectrometry People's Republic of China Entry-Exit Inspection and Quarantine Standards Graphite total sulfur content - Infrared absorption spectrometry Issued on. 2013-08-01 2014-03-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. Tianjin People's Republic of China Exit Inspection and Quarantine. The main drafters of this standard. Gu Songhai, Jing Liu, Chan Kwong Chi, Gao Bo, An Pengsheng, Wang Jin, Wang Xiangdong, Zhou Luo. Graphite total sulfur content - Infrared absorption spectrometry

1 Scope

This standard specifies the method of infrared absorption spectrometry determination of total sulfur content of graphite in high temperature combustion. This standard applies to the determination of flake graphite, artificial graphite, graphite electrode and graphite products in the total sulfur content. Measurement range (mass fraction Number). 0.0010% to 2.5%.

2 Method summary

Analysis of samples at 1300 ℃ ~ 1350 ℃ high temperature in a stream of oxygen combustion decomposition. Gas (water vapor and particles) after burning through Negative pressure is transmitted to the infrared absorption cell, wherein the determination of sulfur dioxide by infrared detection system.

3 Reagents and materials

3.1 Standard substances. graphite certified reference materials with total sulfur content. 3.2 oxygen. not less than 99.5% purity. 3.3 Desiccant. magnesium perchlorate, AR.

4 Instrument

4.1 Infrared measuring sulfur analyzer. You can set the temperature range of 1000 ℃ ~ 1350 ℃, accuracy ± 10 ℃. 4.2 Balance. a sense of the amount of 0.1mg. 4.3 porcelain boat. temperature above 1300 ℃, placed in a desiccator.

5 Sample

The sample size should be less than 100μm. Step 6 Analysis Warning. The specimen used porcelain boat due to high temperature, remove the tray placed in the mouth at a time, to achieve cooling, pay attention to safety, in order to avoid scald. 6.1 curve To establish a method working curve. Select multiple graphite standard samples with different sulfur contents, weighed similar quality was measured, these standards Sulfur content of reference material should be able to cover the range of sulfur content in the tested sample. Read the results from the instrument. 6.2 Check the curve Check the recommended working curve at the beginning and end of each batch of samples to be tested, the test sample is large when the middle of adding 1 or 2 times. ......

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