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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
| Std ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status |
| SN/T 2724-2010 | English | 259 |
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Determination of sulphur in high pure graphite powder for import and expore by X-ray fluorescence spectrometric method
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Standard similar to SN/T 2724-2010
GB/T 3521 | GB/T 3518 | GB/T 3074.4 | SN/T 3601 | SN/T 2762 | 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 | 10,137 |
| 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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