KS E ISO 621(2017 Confirm)
망가니즈 광석－금속 철 정량 (금속 철 함량이 2 %를 초과하지 않는 경우)－설포살리실산 광도법
锰矿石金属铁含量（金属铁含量不超过2%）的测定磺基水杨酸光度法
2012-10-05
KS E ISO 621(2022 Confirm)
망가니즈 광석－금속 철 정량 (금속 철 함량이 2 %를 초과하지 않는 경우)－설포살리실산 광도법
锰矿石金属铁含量（金属铁含量不超过2%）的测定磺基水杨酸光度法
2012-10-05
HG/T 2958.6-1988
天青石矿石中硅含量的测定 高氯酸脱水重量法
Celestite ores -- Determination of silicon content--Perchloric acid dehydration gravimetric method
1988-03-21
JB/T 9499.6-1999
康铜电阻合金化学分析方法 磺基水杨酸光度法测定铁量
Method for chemical analysis of constantan resistance alloy The sulphosalicylic acid photometric method for the determination of iron content
1999-08-06
UNE 22145-1990
IRON ORES. DETERMINATION OF ACID SOLUBLE IRON (II) CONTENT. TRITIMETRIC METHOD.
铁矿石 酸溶性铁（II）含量的测定 氚量法
1990-12-24
GB/T 6730.7-2016e
铁矿石 金属铁含量的测定 磺基水杨酸分光光度法
Iron ores—Determination of metallic iron content—Sulfosalicylic acid spectrophotometric method
2016-10-13
KS E ISO 9035(2018 Confirm)
철광석－산－가용성 철(Ⅱ) 분석 방법－적정법
铁矿石酸溶性铁（Ⅱ）含量的测定滴定法
2003-11-29
KS E ISO 9035
철광석 — 산 가용성 철(Ⅱ) 함유량의 정량 — 적정법
铁矿石酸溶性铁（II）含量的测定滴定法
2023-12-08
GB/T 6730.71-2014
铁矿石 酸溶亚铁含量的测定 滴定法
Iron ores―Determination of acid-soluble iron(II) content―Titrimetric method
2014-03-27
GB/T 6730.7-2016
铁矿石 金属铁含量的测定 磺基水杨酸分光光度法
Iron ores—Determination of metallic iron content—Sulfosalicylic acid spectrophotometric method
2016-10-13
ISO 9035-1989
Iron ores — Determination of acid-soluble iron(II) content — Titrimetric method
铁矿石；酸溶性铁（II）含量的测定——滴定法
1989-08-17
JB/T 9493.4-1999
锰铜和新康铜电阻合金化学分析方法 磺基水杨酸光度法测定铁量
Method for chemical analysis of manganin and novokostant resistance alloy The sulphosalicylic acid photometric method for the determination of iron content
1999-08-06
BS 7020-22-1990
Analysis of iron ores-Method for the determination of acid-soluble iron (II) content. Titrimetric method
铁矿石分析 酸溶性铁（II）含量的测定方法 滴定法
1990-02-28
GB/T 6730.35-2016
铁矿石 铜含量的测定 双环己酮草酰二腙分光光度法
Iron ores—Determination of copper content—Oxalic acid bis-cyclohexylidene hydragide (cuprizone) spectrophotometric method
2016-10-13
KS E ISO 7990(2017 Confirm)
망가니즈 광석 및 정광의 총 철 분석방법 - 환원 후 적정법 및 술포살리실산 흡광광도법
锰矿石及锰精矿总铁量的测定还原滴定法和磺基水杨酸分光光度法
2002-12-17
KS E ISO 7990(2022 Confirm)
망가니즈 광석 및 정광의 총 철 분석방법 - 환원 후 적정법 및 술포살리실산 흡광광도법
锰矿石和锰精矿总铁含量的测定还原滴定法和磺基水杨酸分光光度法
2002-12-17
ISO 7990-1985
Manganese ores and concentrates — Determination of total iron content — Titrimetric method after reduction and sulfosalicylic acid spectrophotometric method
锰矿石和锰精矿——总铁含量的测定——还原滴定法和磺基水杨酸分光光度法
1985-12-12