Browse Standards

金属铬 铁含量的测定 乙二胺四乙酸二钠滴定法和火焰原子吸收光谱法

Chromium metal - Determination of iron content - EDTA titrimetric method and flame atomic absorption spectrometric method

金属铬 硅含量的测定 高氯酸重量法

Chromium metal - Determination of silicon content - The perchloric acid gravimetric method

金属铬 硫含量的测定 红外线吸收法和燃烧中和滴定法

Chromium metal - Determination of sulfur content - Infrared absorption method and combustion-neutralization titration method

钛铁 铝含量的测定 EDTA滴定法

Ferrotitanium - Determination of aluminum content - EDTA titrimetric method

钛铁 锰含量的测定 亚砷酸盐 亚硝酸盐滴定法和高碘酸盐光度法

Ferrotitanium - Determinatino of manganese content - Arsenite-salt and sodium-salt titrimetric method and periodate photometric method

钛铁 硫含量的测定 红外线吸收法和燃烧中和滴定法

Ferrotitanium - Determination of sulfur content - Infrared absorption method and combustion-neutralization titration method

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

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

铌铁 钛含量的测定 变色酸光度法

Ferroniobium - Determination of tianiun content - Chromotropic acid photometric method

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

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

硼铁 铝含量的测定 EDTA 滴定法

Ferroboron - Determination of aluminium content - EDTA titrimetric method

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

钢铁及合金 硫含量的测定 重量法

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

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

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

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

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

焊接钢管尺寸及单位长度重量

Dimensions and masses per unit length of welded steel pipes

无缝钢管尺寸、外形、重量及允许偏差

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