SN/T 2724-2010 English PDF

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SN/T 2724-2010: Determination of sulphur in high pure graphite powder for import and expore by X-ray fluorescence spectrometric method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 2724-2010	259	Add to Cart	3 days	Determination of sulphur in high pure graphite powder for import and expore by X-ray fluorescence spectrometric method	Valid

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Basic data

Standard ID: SN/T 2724-2010 (SN/T2724-2010)
Description (Translated English): Determination of sulphur in high pure graphite powder for import and expore by X-ray fluorescence spectrometric method
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: Q51
Word Count Estimation: 10,112
Date of Issue: 2010-11-01
Date of Implementation: 2011-05-01
Quoted Standard: GB/T 1427-2000; GB/T 16597-1996; JJG 810-1993
Regulation (derived from): National Quality Inspection (2010) 582
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the import and export of high-purity graphite sulfur X-ray fluorescence spectrometry method. This standard applies to export high-purity graphite (fixed carbon content of greater than 98%) of the sulfur content, the determination of elements ranging from 0. 01% to 0. 1% (mass fraction).

SN/T 2724-2010: Determination of sulphur in high pure graphite powder for import and expore by X-ray fluorescence 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.
Determination of sulphur in high pure graphite powder for import and expore by X-ray fluorescence spectrometric method People's Republic of China Entry-Exit Inspection and Quarantine Standards Determination of sulfur in the import and export of high purity graphite X-ray fluorescence spectrometry Issued on. 2010-11-01 2011-05-01 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. People's Republic of China Liaoning Province Exit Inspection and Quarantine. The main drafters of this standard. Shengxiang Jun, Cao Dongmei, Chen Xin, Wang Qi, JIANG flag of Interferon Ren Yuwei. Determination of sulfur in the import and export of high purity graphite X-ray fluorescence spectrometry

1 Scope

This standard specifies the method for measuring X-ray fluorescence spectrometry and export of high-purity graphite in sulfur. This standard applies to the determination of the import and export of high-purity graphite (fixed carbon content greater than 98%) sulfur content element measurement range of 0.01% 0.1% (mass fraction).

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 1427-2000 carbon material sampling method GB/T 16597-1996 metallurgical product analysis X-ray Fluorescence Spectrometry General JJG810-1993 wavelength dispersive X-ray fluorescence spectrometer

3 Method summary

After the high-purity graphite powder grinding and mixing the adhesive sheeting, standard calibration samples were GB coke and a binder sample in proportion by the Research After grinding mixing tablet. Measuring X-ray fluorescence intensity measured elements, according to X-ray fluorescence intensity measured elements and the content of the analyte Quantitative relationship between the choice of regression equations and mathematical correction mode, calculate the analyte content.

4 Reagents and materials

4.1 Binder Microcrystalline cellulose (no sulfur peak by X-ray measurement appears). Gas 4.2 Gas proportional counter flow gas used is generally 90% argon and 10% methane gas mixture, depending on the demand of the instrument can also be Other ratio argon - methane gas. 5. Apparatus 5.1 scanning wavelength dispersive X-ray fluorescence spectrometer Fluorescence spectroscopy and in line with GB/T 16597-1996 requirements specified in the JJG810-1993. 5.2 grinding facilities Agate, corundum and tungsten carbide mortar and pestle, or use the automatic grinding apparatus. ......

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