进出口天然鳞片石墨中酸溶铁含量的测定原子吸收分光光度法
Determination of acid-soluble iron content in import & export naturalscale graphite-Atomic absorption spectrometrie method
Determination of acid-soluble iron content in import & export naturalscale graphite-Atomic absorption spectrometrie method
Determination of titanium content in ferrosilicon for export-Diantipyrylmethane photometrie method
Determination of iron ,aluminium and calcium forexport silicon metal-Volumetrie method
Method of analysis of baryte for export Determination of fineness
Methods of inspection of bauxite for export-Part 10:Determination of SiO2 , Fe2O3 ,Al2O3,CaO,MgO,K2O,P2O5and TiO2 X-Ray fluorescence spectrometric method
Inspection of bauxite for import and export Part 11:Determination of titanium dioxide contentHydrogen peroxide spectrophotometric method
Inspection of bauxite for import and export Part 12:Determination of apparent porosity and water absorption
Methods of analysis of baryte for export
Methods of analysis of baryte for export
Methods of analysis of baryte for export