KS E ISO 7990:2002 Manganese ores and concentrates-Determination of total iron content-Titrimetric method after reduction and sulfosalicylic acid spectrophotometric method
This specification covers two methods for analyzing the total iron content of manganese ores and concentrates.
KS E ISO 7990:2002 history
2022KS E ISO 7990-2022 Manganese ores and concentrates-Determination of total iron content-Titrimetric method after reduction and sulfosalicylic acid spectrophotometric method
0000 KS E ISO 7990-2002(2017)
2002KS E ISO 7990:2002 Manganese ores and concentrates-Determination of total iron content-Titrimetric method after reduction and sulfosalicylic acid spectrophotometric method