Tungsten content

Tungsten content, Total:46 items.

The international standard classification for "Tungsten content" includes: Aluminium and aluminium alloys , Ferroalloys , Materials for aerospace construction .

The Chinese standard classification for "Tungsten content" includes: Light metals and their alloys analysis method .

国家市场监督管理总局、中国国家标准化管理委员会

GB/T 7731.10-2021 Ferrotungsten—Determination of carbon content—Infrared absorption method
GB/T 7731.5-2021 Ferrotungsten—Determination of silicon content—Silicomolybdenum blue spectrophotometric method
GB/T 7731.1-2021 Ferrotungsten—Determination of tungsten content—Cinchonine gravimetric method and ammonium nitrate gravimetric method
GB/T 20975.35-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 35:Determination of tungsten content—Thiocyanate spectrophotometric method

SN/T 0962-2010 Determination of sodium tungstate content in sodium tungstate for import and export
SN/T 3012-2011 Determination of Tungsten Trioxide in Tungsten Ores. X-Ray Fluorescence Spectrometry
SN/T 3348-2012 Determination of silicon, manganese, phosphorus, chromium, nickel and tungsten in chrome-nickel-tungsten steel - Wave-length dispersive X-ray fluorescence spectrometry
SN/T 0951-2010 Determination of tungsten trioxide content in ammonium paratungstate for import and export
SN/T 0951-2000 Method for the determination of tungsten trioxide content in ammonium paratungstate for import and export

GB/T 223.43-2008 Iron steel and alloy - Determination of tungsten content - Gravimetryc method and spectrophotometric method

HB 5220.32-1995 Method for chemical analysis of superalloys-thiocyanate absorptiometry for determination of tungsten content
HB 5220.31-1995 Superalloy Chemical Analysis Method Cinchonine-Binaphthaquinoline Gravimetric Method for Determination of Tungsten Content
HB 5220.31-2008 Methods for Chemical Analysis of Superalloys - Part 31: Determination of Tungsten Content by Cinchonine-Ethylnaphthalene Quinoline Gravimetric Method

YB/T 4395-2014 Steel Determination of molybdenum,niobium and tungsten contents. Inductively coupled plasma atomic emission spectrometric method

T/CSTM 01138-2022 Tungsten—Determination of calcium content—Flame atomic absorption spectrometric method

KS D 1917-1986 FERROTUNGSTEN - Determination of TUNGSTEN content
KS D ISO 7693-2022 Ferrotungsten－Determination of tungsten content－Cinchonine gravimetric method
KS D 1812-2019 Iron and steel — Methods for determination of tungsten content
KS D 1812-2003 Determination of tungsten in iron and steel
KS D ISO 7693:2002 Ferrotungsten－Determination of tungsten content－Cinchonine gravimetric method

GOST 18385.1-1979 Niobium. Methods for the determination of tungsten
GOST 19863.4-1991 Titanium alloys. Methods for the determination of tungsten
GOST 22221.2-1976 Tin concentrates. Methods for the determination of wolframe trioxide mass part
GOST 14339.3-1991 Tungsten. Methods for determination of phosphorus
GOST 14339.2-1982 Tungsten. Method for the determination of sulphur
GOST 18904.0-1989 Tantalum and its oxides. General requirements for methods of analysis
GOST 18904.1-1989 Tantalum and its oxides. Photometrical method for determination of molybdenum and tungsten

CSN 44 1503-1990 Tin-tungsten ores and concentrates. Determination of tungsten content
CSN 42 0520-1980 Chemical analysis of technical iron. Determination of the tungsten content

BH GSO ISO 7693:2017 Ferrotungsten -- Determination of tungsten content -- Cinchonine gravimetric method
GSO ISO 7693:2015 Ferrotungsten -- Determination of tungsten content -- Cinchonine gravimetric method

UNE 35057-1:1985 FERROTUNGSTEN. DETERMINATION OF TUNGSTEN CONTENT. CINCHONINE GRAVIMETRIC METHOD
UNE 35-057 Pt.1-1985 Iron tungsten. Determination of tungsten content. Gravimetry with five nina

ISO 7693:1984 Ferrotungsten; Determination of tungsten content; Cinchonine gravimetric method

JIS G 1220:1994 Iron and steel -- Methods for determination of tungsten content
JIS H 1282:1998 Methods for determination of tungsten in nickel alloys
JIS H 1666:1971 Methods for determination of tungsten in zirconium and zirconium alloys
JIS H 1674:1992 Methods for determination of tungsten in zirconium and zirconium alloys
JIS H 1282:1988 Methods for determination of tungsten in nickel alloy castings

TCVN 3640-1981 Tin ores.Method for the determination of tungsten oxide content
TCVN 302-2010 Steel and iron.Determination of tungsten content.Methods of chemical analysis

TS 2425-1976 Methods For The Chemical Analysis Of Iron And Steels Determination Of Tungsten Content
TS 3291-1979 METHODS FOR THE CHEMICAL ANALYSIS OF NICKEL DETERMINATION OF TUNGSTEN CONTENT