GB/T 6730.24-2006
铁矿石 稀土总量的测定 萃取分离-偶氮氯膦mA分光光度法
Iron ores - Determination of total rare earth contents - Chlorophosphonazo mA spectrophotometric method
2006-11-01
GB/T 223.5-2008
钢铁 酸溶硅和全硅含量的测定 还原型硅钼酸盐分光光度法
Steel and iron - Determination of acid-soluble silicon and total silicon content - Reduced molybdosilicate spectrophotometric method
2008-08-19
BS EN ISO 4829-1-2018
Steel and cast iron. Determination of total silicon contents. Reduced molybdosilicate spectrophotometric method-Silicon contents between 0,05 % and 1,0 %
钢和铸铁 总硅含量的测定 还原硅钼酸盐分光光度法
2018-05-16
GB/T 1508-2002
锰矿石 全铁含量的测定 重铬酸钾滴定法和邻菲啰啉分光光度法
Manganese ores--Determination of total iron content--Potassium dichromate titrimetric method and 1，10-phenanthroline spectrophotometric method
2002-09-11
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
UNE 36314-1/1M-1992
STEEL AND CAST IRON. DETERMINATION OF TOTAL SILICON CONTENT. REDUCED MOLYBDOSILICATE SPECTROPHOTOMETRIC METHOD. PART 1: SILICON CONTENT BETWEEN 0,05% AND 1%.
钢和铸铁 总硅含量的测定 还原硅钼酸盐分光光度法 第1部分:硅含量在0.05%和1%之间
1992-01-21
UNE 36314-2/1M-1992
STEEL AND CAST IRON. DETERMINATION OF TOTAL SILICON CONTENT. REDUCED MOLYBDOSILICATE SPECTROPHOTOMETRIC METHOD. PART 2: SILICON CONTENT BETWEEN 0,01% AND 0,05%.
钢和铸铁 总硅含量的测定 还原硅钼酸盐分光光度法 第2部分:硅含量在0.01%和0.05%之间
1992-01-21
UNE 36314-1-1990
STEEL AND CAST IRON. DETERMINATION OF TOTAL SILICON CONTENT. REDUCED MOLYBDOSILICATE SPECTROPHOTOMETRIC METHOD. PART 1: SILICON CONTENT BETWEEN 0,05 AND 1%
钢和铸铁 总硅含量的测定 还原硅钼酸盐分光光度法 第1部分:硅含量在0.05%和1%之间
1990-09-18
UNE 36314-2-1990
STEEL AND CAST IRON. DETERMINATION OF TOTAL SILICON CONTENT. REDUCED MOLYBDOSILICATE SPECTROPHOTOMETRIC METHOD. PART 2: SILICON CONTENT BETWEEN 0,01% AND 0,05%
钢和铸铁 总硅含量的测定 还原硅钼酸盐分光光度法 第2部分:硅含量在0.01%和0.05%之间
1990-09-18
KS D ISO 4829-1
강 및 주철 — 총 규소 함유량의 정량 — 환원된 몰리브도규산염 분광 광도법 — 제1부: 규소 함유량 0.05 % ~ 1.0 %
钢和铸铁.硅总含量的测定.还原硅钼酸盐分光光度法.第1部分:硅含量在0.05%和1.0%之间
2022-12-30
ISO 4829-1-2018
Steel and cast iron — Determination of total silicon contents — Reduced molybdosilicate spectrophotometric method — Part 1: Silicon contents between 0,05 % and 1,0 %
钢 - 总硅含量的测定 - 还原钼硅酸盐分光光度法 - 第1部分:硅含量在0.05％和1.0％之间
2018-03-19
GB/T 45131-2025
锅炉用水和冷却水分析方法 磷酸盐、氯化物、硅酸盐、总碱度、酚酞碱度、硬度和铁的测定 基于间断分析系统的分光光度法
Analysis of water used in boiler and cooling system—Determination of phosphate, chloride, silicate, total alkalinity, phenolphthalein alkalinity, hardness and iron—Spectrophotometric detection by discrete analysis systems
2025-01-24