Spectrophotometric Tungsten Content

Spectrophotometric Tungsten Content, Total:11 items.

In the international standard classification, Spectrophotometric Tungsten Content involves: Non-ferrous metals, Ferroalloys, Ferrous metals.

IN-BIS, Spectrophotometric Tungsten Content

• IS 228 Pt.16-1992 Methods for chemical analysis of steels. Part 15: Determination of tungsten by spectrophotometric method (for tungsten 0.1 to percent) (Second Revision)

CZ-CSN, Spectrophotometric Tungsten Content

• CSN 42 0647 Cast.14-1989 Chemical analysis of non-ferrous metals and alloys. Tungsten. Determination of phosphorus by the photometric method

國(guó)家市場(chǎng)監(jiān)督管理總局、中國(guó)國(guó)家標(biāo)準(zhǔn)化管理委員會(huì), Spectrophotometric Tungsten Content

• 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 20975.35-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 35:Determination of tungsten content—Thiocyanate spectrophotometric method

RO-ASRO, Spectrophotometric Tungsten Content

• SR 2603-1994 Steels and irons. Determination of vanadium content. Sodium tungstate spectrophotometric method

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Spectrophotometric Tungsten Content

• GB/T 223.43-2008 Iron,steel and alloy.Determination of tungsten content.Gravimetric method and spectrophotometric method
• GB/T 13747.10-2022 Methods for chemical analysis of zirconium and zirconium alloys—Part 10：Determination of tungsten content—Thiocyanate spectrophotometry and 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 6150.13-2022 Methods for chemical analysis of tungsten concentrates—Part 13：Determination of arsenic content—Atomic fluorescence spectrometry and the silver diethyldithiocarbamate（DDTC-Ag）spectrophotometry

Professional Standard - Aviation, Spectrophotometric Tungsten Content

• HB 5220.32-1995 Method for chemical analysis of superalloys-thiocyanate absorptiometry for determination of tungsten content

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