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Database: 365,228(8 Aug 2026)
ferroalloys experimental methods fractional sampling method random sampling test methods quality variation non-detachable heat exchangers welding hard alloy screw blade d=16~50mm fire waist
GB/T 28369-2012 in English

GB/T 28369-2012 in English

VALID

Ferroalloys—Experimental methods for the evaluation of the quality variation and methods for checking the precision of sampling

  • Issued on:2012-05-11
  • Implemented on:2013-02-01
  • File Format:PDF
  • Delivery:Via email within 1~3 business days
Price(USD): $210.00
$204.00
Standard No: GB/T 28369-2012
Document status: VALID
Title in English: Ferroalloys—Experimental methods for the evaluation of the quality variation and methods for checking the precision of sampling
Title in Chinese: 铁合金 评价品质波动和检查取样精度的试验方法
Language: English
File Format: Electronic (PDF)
Delivery: Via email within 1~3 business days
Issued on: 2012-05-11
Implemented on: 2013-02-01
ICS Classification: 77.100-Ferroalloys
Chinese Classification: H42-Iron alloy
Professional Classification: GB-National Standard
Related Keywords: ferroalloys experimental methods
fractional sampling method
random sampling
test methods
quality variation
Related Topics: ferroalloy
quality
fluctuation
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Sample inspection method
quality standard
evaluation sample
Alloy inspection method
GBT28369
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Systematic Precision Evaluation of Mass Spectrometry Methods
The test to examine the accuracy of the inspection method is
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Blank matrix sample analysis and evaluation method

《GB/T 28369-2012铁合金 评价品质波动和检查取样精度的试验方法》由TC318(全国生铁及铁合金标准化技术委员会)归口,主管部门为中国钢铁工业协会。


Scope

This standard specifies the test methods for evaluating the quality fluctuation of ferroalloys in order to determine the parameters of random sampling and graded sampling described in the relevant standards. At the same time, it also stipulates the sampling accuracy of random sampling method and fractional sampling method for inspection.

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