GB/T 6730.46-1986 Methods for chemical analysis of iron ores--The extraction separation-molybdenum blue photometric method for the determination of arsenic content
Wood standards are applicable to the determination of arsenic in iron ore, iron concentrate, sinter and pellets. Measuring range: 0.01 to 0.50%.
GB/T 6730.46-1986 history
2006GB/T 6730.46-2006 Iron ores Determination of arsenic content Arseno-molybdenum blue spectrophotometric method after the distillation separation
1986GB/T 6730.46-1986 Methods for chemical analysis of iron ores--The extraction separation-molybdenum blue photometric method for the determination of arsenic content