GB/T 7731.6-1987 Replaced National standards

GB/T 7731.6-1987 Methods for chemical analysis of ferrotungsten—The molybdenum blue photometric method for the determination of arsenic content

Publish Date: 1987-03-31 Implement Date: 1988-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 7731.6-1987

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Analysis methods for steel and iron alloys

ICS Name: Iron alloy

Publish Date: 1987-03-31

Implement Date: 1988-03-01

Pages: 3 pages

Development Information

Pages: 3 pages

Same series standard

GB/T 7731.8-1987 Methods for chemical analysis of ferrotungsten—The tetraethylrhodamine photometric method for the determination of antimony content GB/T 7731.9-1987 Methods for chemical analysis of ferrotungsten—The bismuth iodide photometric method for the determination of bismuth content

Replace the following standards

YB 583-1965废止

Superseded by the following standards

GB/T 7731.6-2008 Ferrotungsten—Determination of arsenic content—The molybdenum blue photometrie method and inductively coupled plasma-atomic emission spectrometry

Adopt standards

JIS G1316-82

Related Standards

GB/T 3654.10-1983 Replaced

GB/T 3654.10-1983 Methods for chemical analysis of ferroniobium The EDTA volumetric method for the determination of aluminum content

Publish Date: 1983-05-02

GB/T 3654.1-1983 Active

GB/T 3654.1-1983 Methods for chemical analysis of ferroniobium—The paper chromatograph-gravimetric method for the determination of niobium and tantalum

Publish Date: 1983-05-02

GB/T 3654.2-1983 Replaced

GB/T 3654.2-1983 Methods for chemical analysis of ferroniobium—The neocuproine-chloroform extraction photometric method for the determination of copper content

Publish Date: 1983-05-02

GB/T 3654.3-1983 Replaced

GB/T 3654.3-1983 Methods for chemical analysis of ferroniobium The gravimetric method for the determination of silicon content

Publish Date: 1983-05-02

GB/T 3654.4-1983 Active

GB/T 3654.4-1983 Methods for chemical analysis of ferroniobium The combustion gravimetric method for the determination of carbon content

Publish Date: 1983-05-02

GB/T 3654.5-1983 Active

GB/T 3654.5-1983 Methods for chemical analysis of ferroniobium The molybdenum blue photometric method for the determination of the phosphorus comtent

Publish Date: 1983-05-02