Browse Standards

凿井绞车

Shaft sinking winch

铁矿石 全铁含量的测定 三氯化钛还原法

Iron ores - Determination of total iron content - Titanium(III) chloride reduction method

铁矿石 水溶性氯化物含量的测定 离子选择电极法

Iron ores - Determination of water soluble chloride content - Ion-selective electrode method

铁矿石 钙和镁含量的测定 EGTA-CyDTA滴定法

Iron ores - Determination of calcium and magnesium content - EGTA-CyDTA titrimetric method

电炉回收二氧化硅微粉

Silica fume from electric-furnace

煤矿用轴流主通风机 技术条件

Technical specification of main axial fan-mine

煤中全水分的测定方法

Determination of total moisture in coal

褐煤中溶于稀盐酸的钠和钾测定用的萃取方法

Method of extraction for the determination of sodium and potassium in brown coal soluble in dilute hydrochloric acid

煤的格金低温干馏试验方法

Gray-King assay of coal

煤中镓的测定方法

Determination of gallium in coal

煤中铬、镉、铅的测定方法

Determination of chromium cadium and lead in coal

煤灰成分分析方法

Test method for analysis of coal ash

煤炭分析试验方法一般规定

General rules for analytical and testing methods of coal

高岭土及其试验方法

Specification and test method of Kaolin clay

金属丝编织密纹网

Industrial dense woven wire cloth

长圆孔、长方孔和圆孔筛板

Round and elongated apertures with round and square plate screens

软磁铁氧体用四氧化三锰

Manganous manganic oxide for soft magnetic ferrites

铁矿石分析方法总则及一般规定

General rules and regulations for analysis of iron ores

硫铁矿和硫精矿中锌含量的测定 火焰原子吸收光谱法和分光光度法

Pyrites and concentrate - Determination of zinc content - Flame atomic absorption spectrometric and spectrphotometric methods

硫铁矿和硫精矿中铅含量的测定 火焰原子吸收光谱法和EDTA容量法

Pyrites and concentrate - Determination of lead content - Flame atomic absorption spectrometric and EDTA volumetric methods