GB/T 7731.10-1988
Methods for chemical analysis of ferrotungsten--The infrared absorption method for the determination of carbon content (English Version)
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GB/T 7731.10-1988
Standard No.
GB/T 7731.10-1988
Language
Chinese,
Available in English version
Release Date
1988
Published By
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Status
Be replaced
2022-03
Replace By
GB/T 7731.10-2021
Latest
GB/T 7731.10-2021
Scope
This standard applies to the determination of carbon content in ferrotungsten. Measuring range: 0.025% to 0.400%.
GB/T 7731.10-1988 history
2021
GB/T 7731.10-2021
Ferrotungsten—Determination of carbon content—Infrared absorption method
1988
GB/T 7731.10-1988
Methods for chemical analysis of ferrotungsten--The infrared absorption method for the determination of carbon content
GB/T 7731.10-1988 -All Parts
GB/T 7731.1-2021 Ferrotungsten—Determination of tungsten content—Cinchonine gravimetric method and ammonium nitrate gravimetric method
GB/T 7731.10-2021 Ferrotungsten—Determination of carbon content—Infrared absorption method
GB/T 7731.12-2008 Ferrotungsten. Determination of sulfur content. Infrared absorption method and combustion titration method
GB/T 7731.13-1988 Methods for chemical analysis of ferrotungsten--The combustion-neutralization titration method for the determination of sulfur content
GB/T 7731.14-2008 Ferrotungsten. Determination of lead content. The polarographic method and inductively coupled plasma-atomic emission spectrometry
GB/T 7731.15-1999 Methods for chemical analysis of ferrotungsten-The flame atomic absorption spectrometric method for the determination of copper content
GB/T 7731.16-1999 Methods for chemical analysis of ferrotungsten-The flame atomic absorption spectrometric method for the determination of manganese content
GB/T 7731.17-2023 Determination of tungsten cobalt, nickel and aluminum content by inductively coupled plasma atomic emission spectrometry
GB/T 7731.2-2007 Ferrotungsten-Determination of manganese content-The periodate spectrophotometric method and the flame atomic absorption spectrometric method
GB/T 7731.3-2008 Ferrotungsten. Determination of copper content. Bis(cyclohexanone) oxalyldihydrazone photometric method and flame atomic absorption spectrometric method
GB/T 7731.4-2021 Ferrotungsten—Determination of phosphorus content—Phosphorus molybdenum blue spectrophotometric method
GB/T 7731.5-2021 Ferrotungsten—Determination of silicon content—Silicomolybdenum blue spectrophotometric method
GB/T 7731.6-2008 Ferrotungsten.Determination of arsenic content.The molybdenum blue photometrie method and inductively coupled plasma-atomic emission spectrometry
GB/T 7731.7-2008 Ferrotungsten. Determination of tin content. Phenylfluorone photometric method and inductively coupled plasma-atomic emission spectrometry
GB/T 7731.8-2008 Ferrotungsten.Determination of antimony content.The tetraethlrhodamine photometrie method and inductively couple plasma-atomic mission spectrometry
GB/T 7731.9-2008 Ferrotungsten.Determination of bismuth content.The bismuth iodide photonmetric method and inductively coupled plasma-atomic emission spectrometry
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