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GB/T 26051-2010: Hard metals -- Determination of sulfur and carbon content in cobalt metal powders -- Infrared detection method
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Hard metals -- Determination of sulfur and carbon content in cobalt metal powders -- Infrared detection method
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GB/T 26051-2010
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Basic data | Standard ID | GB/T 26051-2010 (GB/T26051-2010) | | Description (Translated English) | Hard metals -- Determination of sulfur and carbon content in cobalt metal powders -- Infrared detection method | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H16 | | Classification of International Standard | 77.160 | | Word Count Estimation | 5,541 | | Date of Issue | 1/10/2011 | | Date of Implementation | 10/1/2011 | | Quoted Standard | GB/T 6379.6; GB/T 6379.5; GB/T 6379.4; GB/T 6379.1; GB/T 6379.2, | | Adopted Standard | ISO 11873-2005, IDT | | Regulation (derived from) | Announcement of Newly Approved National Standards 2011 No. (No. 166 overall) 1 | | 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 | | Summary | This Standard specifies by oxygen in the combustion of sulfur and carbon into carbon dioxide and sulfur dioxide were detected by infrared method cobalt powder Determination of sulfur and carbon. Policy given range (mass fraction): 0. 001% to 0. 2%. | GB/T 26051-2010: Hard metals -- Determination of sulfur and carbon content in cobalt metal powders -- Infrared detection method
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Hardmetals. Determination of sulfur and carbon content in cobalt metal powders. Infrared detection method
ICS 77.160
H16
National Standards of People's Republic of China
Hard alloy
Determination of cobalt powder sulfur and carbon content
Infrared detection method
(ISO 11873.2005, IDT)
Issued on. 2011-01-10
2011-10-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard uses the translation method identical with ISO 11873.2005 "Carbide - determination of sulfur and carbon content of cobalt powder - Infrared detection method"
Published in 2008-11-15 and ISO technical amendments ISO 11873.2005/Cor.1.2008. As one Chapter 1 measuring range
(0.001% to 0.1%) and 5.2 allow poor high content (0.2%) obviously does not correspond to the actual application, the measuring range 1
To 0.001% to 0.2%.
This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized.
This standard was drafted. Xiamen Golden Egret Special Alloy Co., Ltd., National Engineering Research Center for tungsten material.
The main drafters of this standard. Zou Jianping, Shaw full bucket, Zhang Shubin, Wu Chong Hu, Wu Qishan, Sun Xiaoyu, Wu climax, Huang Jiaming, Xie Yifeng,
Lingao An.
Hard alloy
Determination of cobalt powder sulfur and carbon content
Infrared detection method
1 Scope
This standard specifies the cobalt powder sulfur and oxygen in the amount of carbon by sulfur and carbon combustion to carbon dioxide and sulfur dioxide by infrared detection method
The method of measurement. Measurement range (mass fraction). 0.001% to 0.2%.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the edition are not applicable to the present
file. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 6379 (all parts) measurement methods and results accuracy (trueness and precision) [ISO 5725 (all parts)]
3 Reagents
Use high-purity reagents.
3.1 oxygen purity in accordance with the provisions of the supplier (not less than 99.5%).
3.2 tungsten particles, or other shapes of tungsten-containing accelerant, particle size of not less than 0.2mm.
3.3 iron for combustion.
Step 4 Analysis
4.1 said sample
Crucible weighed 0.5g ~ 1.5g sample, accurate to 0.001g. The carbon and sulfur content determined sample weight. If the samples were stored in plastic
Container, there may be contaminated.
4.2 Measurement
Join flux (3.2 and 3.3), and assayed in accordance with instrument procedures.
4.3 Calibration
The crucible and the flux (3.2 and 3.3) of the blank test is determined at least three times. If the blank value in line with the rules and equipment, is used standard
Quasi sample calibration test shall not be less than three times.
Calculation results of the analysis of 5
5.1 Calculation Results
Sulfur content mass fraction wS meter, the carbon content of sulfur in the carbon mass fraction wC and its value is expressed in%, according to the following formula.
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