This standard specifies the spectrophotometric method for the determination of diantipyridine methane. This standard is applicable to the determination of titanium content in manganese ore, manganese concentrate and sinter. Measuring range: 0.01% to 0.50%.
GB/T 14949.5-1994 history
2021GB/T 14949.5-2021 Manganese ores一Determination of titanium content一Diantipyrylmethane spectrophotometric method
1994GB/T 14949.5-1994 Manganese ores- Determination of titanium content