Browse Standards

4520+ standards in database

4520 result(s) found

GB/T 4699.4-2008 Active

铬铁和硅铬合金 碳含量的测定 红外线吸收法和重量法

Ferrochromium and silicochromium - Determination of carbon content - Infrared absorption method and gravimetric method

ICS: 77.100
2008-11-01
GB/T 4699.2-2008 Abolished

铬铁和硅铬合金 铬含量的测定 过硫酸铵氧化滴定法和电位滴定法

Ferrochromium and ferrosilicochromium - Determination of chromium content - The ammonium persulfate oxidation titrimetric method and potentiometric titration method

ICS: 77.100
2008-11-01
GB/T 3654.8-2008 Abolished

铌铁 钛含量的测定 变色酸光度法

Ferroniobium - Determination of tianiun content - Chromotropic acid photometric method

ICS: 77.100
2008-11-01
GB/T 3654.6-2008 Active

铌铁 硫含量的测定 燃烧碘量法、次甲基蓝光度法和红外线吸收法

Ferroniobium - Determination of sulfur content - Combustion-iodate titrimetric method,methylene blue photometric method and infrared absorption method

ICS: 77.100
2008-11-01
GB/T 3654.2-2008 Active

铌铁 铜含量的测定 新亚铜灵 三氯甲烷萃取光度法

Ferroniobium - Determination of copper content - The neocuproine-choroform extraction photometric method

ICS: 77.100
2008-11-01
GB/T 3653.4-2008 Abolished

硼铁 铝含量的测定 EDTA 滴定法

Ferroboron - Determination of aluminium content - EDTA titrimetric method

ICS: 77.100
2008-11-01
GB/T 223.9-2008 Abolished

钢铁及合金 铝含量的测定 铬天青S分光光度法

Iron, steel and alloy - Determination of aluminium content - Chrom azurol S photometric method

ICS: 77.080.01
2008-11-01
GB/T 223.75-2008 Abolished

钢铁及合金 硼含量的测定 甲醇蒸馏-姜黄素光度法

Iron,steel and alloy - Determination of boron content - Methanol distillation-curcumin photometric method

ICS: 77.080.01
2008-11-01
GB/T 223.73-2008 Active

钢铁及合金 铁含量的测定 三氯化钛-重铬酸钾滴定法

Iron, steel and alloy - Determination of iron contents - Titanium trichloride-potassium dichromate titration method

ICS: 77.080.01
2008-11-01
GB/T 223.72-2008 Active

钢铁及合金 硫含量的测定 重量法

Iron, steel and alloy - Determination of sulfur content - Gravimetric method

ICS: 77.080.01
2008-11-01
GB/T 223.70-2008 Active

钢铁及合金 铁含量的测定 邻二氮杂菲分光光度法

Iron, steel and alloy - Determination of iron contents - O-phenanthroline spectrophotometric method

ICS: 77.080.01
2008-11-01
GB/T 223.69-2008 Active

钢铁及合金 碳含量的测定 管式炉内燃烧后气体容量法

Iron, steel and alloy - Determination of carbon contents - Gas-volumetric method after combustion in the pipe furnace

ICS: 77.080.01
2008-11-01
GB/T 223.55-2008 Abolished

钢铁及合金 碲含量的测定 示波极谱法

Iron, steel and alloy - Determination of tellurium content - Oscillo-polarographic method

ICS: 77.080.01
2008-11-01
GB/T 223.29-2008 Active

钢铁及合金 铅含量的测定 载体沉淀-二甲酚橙分光光度法

Iron, steel and alloy - Determination of lead content - Carrier precipitation-xylenol orange spectrophotometric method

ICS: 77.080.01
2008-11-01
GB/T 223.26-2008 Active

钢铁及合金 钼含量的测定 硫氰酸盐分光光度法

Iron, steel and alloy - Determination of molybdenum content - The thiocyanate spectrophotometric method

ICS: 77.080.01
2008-11-01
GB/T 223.23-2008 Active

钢铁及合金 镍含量的测定 丁二酮肟分光光度法

Iron, steel and alloy - Determination of nickel content - The dimethylglyoxime spectrophotometric method

ICS: 77.080.01
2008-11-01
GB/T 21834-2008 Active

中低合金钢 多元素成分分布的测定 金属原位统计分布分析法

Medium and low alloy steel - Determination of the distribution of multi-element contents - Original position statistic distribution analysis method

ICS: 77.080.20
2008-11-01
GB/T 18876.3-2008 Active

应用自动图像分析测定钢和其它金属中金相组织、夹杂物含量和级别的标准试验方法 第3部分 钢中碳化物级别的图像分析与体视学测定

Standard practice for determining the metallographical constituent and inclusion content of steels and other metals by automatic image analysis - Part 3: Determining the carbides rating in steels by automatic image analysis and stereology

ICS: 77.040.01
2008-11-01
GB/T 21835-2008 Abolished

焊接钢管尺寸及单位长度重量

Dimensions and masses per unit length of welded steel pipes

ICS: 77.140.75
2008-11-01
GB/T 17395-2008 Abolished

无缝钢管尺寸、外形、重量及允许偏差

Dimensions,shapes,masses,and tolerances of seamless steel tubes

ICS: 77.140.75
2008-11-01
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