GB/T 6730.45-1986 Methods for chemical analysis of iron ores--The diethyldithiocarbamic acid,Ag salt photometric method for the determination of arsenic content
This standard applies to the determination of arsenic in iron ore, iron concentrate, sinter and pellets. Measuring range: 0.01 to 0.50%.
GB/T 6730.45-1986 history
2006GB/T 6730.45-2006 Iron ores Determination of arsenic content Arseno-molybdenum blue spectrophotometric method after hydrogen arsenide separation
1986GB/T 6730.45-1986 Methods for chemical analysis of iron ores--The diethyldithiocarbamic acid,Ag salt photometric method for the determination of arsenic content