GB/T 8704.7-2009 Active National standards

GB/T 8704.7-2009 Ferrovanadium—Determination of phosphorus content—The molybdenum blue photometric method

Publish Date: 2009-07-15 Implement Date: 2010-04-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 8704.7-2009

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: 2009-07-15

Implement Date: 2010-04-01

Pages: 5 pages

Scope

This part of GB/T 8704 specifies the determination of phosphorus content in vanadium iron by the molybdenum blue spectrophotometry method. This part is applicable to the determination of phosphorus content in vanadium iron. The determination range (mass fraction): 0.010%~0.250%.

Development Information

Word Count: 7 Thousand words Pages: 5 pages

Same series standard

GB/T 8704.1-2009 Ferrovanadium—Determination of carbon content—The infrared absorption method and the gasometric method GB/T 8704.3-2009 Ferrovanadium—Determination of sulfur content—The infrared absorption method and the combustion-neutralization titration method GB/T 8704.8-2009 Ferrovanadium—Determination of aluminium content—The chromazurol S spectrophotometric method and EDTA titrimetric method GB/T 8704.9-2009 Ferrovanadium—Determination of manganese content—The potassium periodate oxidation photometric method and flame atomic absorption spectrometric method

Replace the following standards

GB/T 8704.7-1994 Methods for chemical analysis of ferrovanadium—The molybdenum blue photometric method for the determination of phosphorus 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