GB/T 6730.7-2016(\u82f1\u6587\u7248)
铁矿石 金属铁含量的测定 磺基水杨酸分光光度法
GB/T 6730.7-2016e
Iron ores—Determination of metallic iron content—Sulfosalicylic acid spectrophotometric method
GB/T 6730.7-2016
Iron ores—Determination of metallic iron content—Sulfosalicylic acid spectrophotometric method
HG/T 2958.7-1988
Celestite ores-Determination of iron content-Sulphosalicylic acid spectrophotometric method
KS E ISO 621-2012(2022)
Manganese ores-Determination of metallic iron content (metallic iron content not exceeding 2 %)-Sulphosalicylic acid photometric method
KS E ISO 621-2012(2017)
Manganese ores-Determination of metallic iron content (metallic iron content not exceeding 2 %)-Sulphosalicylic acid photometric method
T/SDAQI 035-2021
KS E ISO 7990-2002(2022)
Manganese ores and concentrates-Determination of total iron content-Titrimetric method after reduction and sulfosalicylic acid spectrophotometric method
ISO 7990:1985
Manganese ores and concentrates — Determination of total iron content — Titrimetric method after reduction and sulfosalicylic acid spectrophotometric method
ISO 621:1981
Manganese ores — Determination of metallic iron content (metallic iron content not exceeding 2 %) — Sulphosalicylic acid photometric method