GB/T 7731.9-2008 Active National standards

GB/T 7731.9-2008 Ferrotungsten—Determination of bismuth content—The bismuth iodide photometric method and inductively coupled plasma-atomic emission spectrometry

Publish Date: 2008-08-19 Implement Date: 2009-04-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 7731.9-2008

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Analysis methods for steel and iron alloys

ICS Name: Iron alloy

Publish Date: 2008-08-19

Implement Date: 2009-04-01

Pages: 9 pages

Scope

This part of GB/T 7731 specifies the determination of bismuth content in tungsten iron by bismuth iodide photometry and inductively coupled plasma atomic emission spectrometry. This part is applicable to the determination of bismuth content in tungsten iron. The determination range (mass fraction) of bismuth iodide photometry is 0.010% to 0.060%; the determination range (mass fraction) of inductively coupled plasma atomic emission spectrometry is 0.010% to 0.15%.

Development Information

Word Count: 14 Thousand words Pages: 9 pages

Same series standard

GB/T 7731.3-2008 Ferrotungsten—Determination of copper content—Bis(cyclohexanone) oxalyldihydrazone photometric method and flame atomic absorption spectrometric 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 tetraethylrhodamine photometrie method and inductively coupled plasma-atomic emission spectrometry GB/T 7731.12-2008 Ferrotungsten—Determination of sulfur content—Infrared absorption method and combustion titration method GB/T 7731.14-2008 Ferrotungsten—Determination of lead content—The polarographic method and inductively coupled plasma-atomic emission spectrometry

Replace the following standards

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

Referenced Standards

GB/T 4010-1994 Ferroalloys—Sampling and preparation of samples for chemical analysis GB/T 4010-2015 Ferroallys sampling and preparation of samples for chemical analysis

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