GB/T 20929-2007
The methods of testing acidithiobacillus ferrooxidans and its activity by microarray technology
GB/T 20929-2007
GB/T 20929-2007
Ferric-containing dust and sludge—Determination of iron (Ⅱ) oxide content—Potassium dichromate titrimetric method
GB/T 20929-2007
Methods for chemical analysis of silicate rocks—Part 14:Determination of ferrous oxide content
GB/T 20929-2007
Titanium concentrate (rock minerals) - Determination of ferrous oxide content - The potassium dichromate tirimetric method
GB/T 20929-2007
GB/T 20929-2007
Vanadium and titanium slag
GB/T 20929-2007
Ascharite ores-Determination of ferrous oxide content-Potassium dichromate volumetric method
GB/T 20929-2007
Methods for examination of import microbial blends in the environmental protection-Part 4:Acidithiobacillus f errooxidans
GB/T 20929-2007
Methods of chemical analysis for ilmenite concentrate—Part 3:Determination of ferrous oxide content—Potassium dichromate titrimetric method
GB/T 20929-2007
Method for chemical analysis of copper magnetite—Part 10:Determination of iron(Ⅱ)oxide content—Potassium dichromate titration method
GB/T 20929-2007
Chemical analysis methods for acid slay of cupola-Determination of ferrous oxide by volumetric method using potassium dichromate
GB/T 20929-2007
GB/T 20929-2007
Silicate rocks—Determination of ferrous oxide content—Potassium dichromate volumetric method
GB/T 20929-2007
Determination of ferrous oxide in iron ores
GB/T 20929-2007
Raremetallic concentrates. Method for the determination of ferrous oxide
GB/T 20929-2007
Titanomagnetite ores, ironvanadium concentrates, agglomerates and pellets. Method for determination of ferrous oxide
GB/T 20929-2007
Standard Test Method for Determining the Rate of Bioleaching of Iron From Pyrite by Thiobacillus Ferrooxidans
GB/T 20929-2007
Standard Test Method for Determining the Rate of Bioleaching of Iron From Pyrite by Thiobacillus Ferrooxidans (Withdrawn 2010)
GB/T 20929-2007
Flux for electro-slag remelting. Methods for the determination of ferrous oxide content