GB/T 3311-1982
abolished_transferred
GB/T 8639.5-1988
abolished_transferred
National standards
GB/T 8639.5-1988 Vanadium—Determination of iron content—Isoamyl alcohol extraction spectrophotometric method
GB/T 8639.5-1988 Vanadium—Determination of iron content—Isoamyl alcohol extraction spectrophotometric method
Basic Information
Standard Code:
GB/T 8639.5-1988
Standard Type:
National standards
Standard Status:
abolished_transferred
is_force_gb:
no
CCS Name:
Analysis methods for rare metals and their alloys
ICS Name:
Cadmium, cobalt, and their alloys
Publish Date:
1988-02-08
Implement Date:
1989-01-01
Publisher:
National Standards Bureau
Pages:
4 pages
Development Information
Drafting Units:
Nanjing Ferroalloy Plant
Drafting Persons:
Dai Xiuying and Ge Shunying
Same series standard
GB/T 8639.1-1988 Vanadium—Determination of vanadium content—Potassium permanganate-ammonium ferrous sulphate volumetric method
GB/T 8639.2-1988 Vanadium—Determination of chromium content—Diphenylcarbazide spectrophotometric method
GB/T 8639.3-1988 Vanadium—Determination of aluminium content—CAS-TPC spectrophotometric method
GB/T 8639.4-1988 Vanadium—Determination of iron content—Phenanthrline spectrophotometric method
GB/T 8639.6-1988 Vanadium—Determination of silicon content—N-butyl alcohol extraction spectrophotometric method
GB/T 8639.7-1988 Vanadium—Determination of oxygen content—Impulse fusion-gas chromatographic method
Related Standards
GB/T 3312-1982
abolished_transferred
GB/T 3312-1982 Determination of thorium dioxide in thorium-tungsten alloys—Weight method
GB/T 3313-1982
abolished_transferred
GB/T 3313-1982 Determination of rhenium in rhenium-tungsten alloys—Spectrophotometric method using dimethylglyoxime
GB/T 3631-1983
abolished_transferred
GB/T 3631-1983 Technical requirements of hydro-cinnabar
GB/T 3825-1983
abolished_transferred
GB/T 3825-1983 Method for chemical analysis of tungsten-molybdenum alloy—The EDTA volumetric method for the determination of molybdenum content
GB/T 3256.8-1983
abolished_transferred