GB/T 8704.7-2009
Ferrovanadium.Determination of phosphorus content.The molybdenum blue photometric method (English Version)

Standard No.
GB/T 8704.7-2009
Language
Chinese, Available in English version
Release Date
2009
Published By
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/T 8704.7-2009
Replace
GB/T 8704.7-1994
Scope
This part of GB/T 8704 specifies the determination of phosphorus content in ferrovanadium by molybdenum blue spectrophotometry. This section applies to the determination of phosphorus content in ferrovanadium. Measuring range (mass fraction): 0.010%~0.250%.

GB/T 8704.7-2009 Referenced Document

  • GB/T 4010 Ferroallys sampling and preparation of samples for chemical analysis*， 2015-09-11 Update

GB/T 8704.7-2009 history

  • 2009 GB/T 8704.7-2009 Ferrovanadium.Determination of phosphorus content.The molybdenum blue photometric method
  • 1994 GB/T 8704.7-1994 Methods for chemical analysis of ferrovanadium. The molybdenum blue photometric method for the determination of phosphorus content
Ferrovanadium.Determination of phosphorus content.The molybdenum blue photometric method

GB/T 8704.7-2009 -All Parts

GB/T 8704.1-2009 Ferrovanadium-Determination of carbon content-The infrared absorption method and the gasometric method GB/T 8704.10-2020 Ferrovanadium—Determination of silicon, manganese, phosphorus, aluminum, copper, chromium, nickel and titanium contents— Inductively coupled plasma atomic emission spectrometric method GB/T 8704.3-2009 Ferrovanadium.Determination of sulfur content.The infrared absorption method and the combustion-neutralization titration method GB/T 8704.5-2020 Ferrovanadium—Determination of vanadium content—The ammonium ferrous sulfate titrimetric method and the potentiometric titrimetric method GB/T 8704.6-2020 Ferrovanadium—Determination of silicon content—The sulfuric acid dehydration gralimetric method and the silicomolybdic blue photometric method GB/T 8704.7-2009 Ferrovanadium.Determination of phosphorus content.The molybdenum blue photometric 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


Copyright ©2024 All Rights Reserved