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合计:67691条

GB/T 6730.29-1986

铁矿石化学分析方法 硫酸钡重量法测定钡量

Methods for chemical analysisof iron ores--The barium sulfate gravimetric method for the determination of barium content


GB/T 6730.30-1986

铁矿石化学分析方法 二苯基碳酰二肼光度法测定铬量

Methods for chemical analysis of iron ores--The diphenyl carbazide photometric method for thedetermination of chromium content


GB/T 6730.31-1986

铁矿石化学分析方法 N-苯甲酰苯胲萃取光度法测定钒量

Methods for chemical analysis of iron ores--The N-benzoylphenyl-hydroxylamine extraction photometric method for the determination of vanadium content


GB/T 20170.1-2006

稀土金属及其化合物物理性能测试方法 稀土化合物粒度分布的测定

Test methods for physical characters of rare earth metals and their compounds Determination for particle size distribution of rare earth compounds


GB/T 12689.11-2004

锌及锌合金化学分析方法 镧、铈合量的测定 三溴偶氮胂分光光度法

The methods for chemical analysis of zinc and zinc alloys--The determination of lanthanum and cerium contents--The tri-bromide arsenazo spectrophoto-metric method


GB/T 12689.12-2004

锌及锌合金化学分析方法 铅、镉、铁、铜、锡、铝、砷、锑、镁、镧、铈量的测定 电感耦合等离子体--发射光谱法

The methods for chemical analysis of zincand zinc alloys--The determination of lead,cadmium,iron,copper,tin,aluminium,arsenic,stibium,magnesium lanthanum and cerium contents--The inductively coupled plasma-optical emission spectrometric method


GB/T 6179-1986

1型六角开槽螺母 C级

Hexagon slotted nuts,style 1--Product grade C


GB/T 14180-1993

缠绕式垫片试验方法

Test methods for spiral wound gaskets


GB/T 6730.20-1986

铁矿石化学分析方法 容量法测定磷量

Methods for chemical analysis of iron ores--The volumetric method for the determination of phosphorus content


GB/T 15054.1-1994

小螺纹 牙型

Miniature screw threads--Profiles


GB/T 14949.10-1994

锰矿石化学分析方法 钴量的测定

Manganese ores--Determination of cobaltcontent


合计:67691
Germany-China Standards Information Portal