GB/T 33948.1-2017铜-钢复合金属化学分析方法第1部分:铜含量的测定碘量法国家标准
英文:Method for chemical analysis of copper-steel composite metal—Part 1:Determination of copper content—Iodine titration ...
英文:Method for chemical analysis of copper-steel composite metal—Part 1:Determination of copper content—Iodine titration ...
英文:Method for chemical analysis of copper-steel composite metal—Part 2:Determination of zinc content—Na2EDTA titration m...
英文:Methods for chemical analysis of copper concentrates—Part 19: Determination of thallium content—Inductively coupled p...
英文:Methods for chemical analysis of copper concentrates—Part 20:Determination of mercury content—Solid sampling and dire...
英文:Methods for chemical analysis of copper concentrates-Part 21:Determination of copper,sulfur,lead,zinc,iron, aluminium...
英文:Designation and chemical composition of wrought copper and copper alloys GB/T 5231-2022介绍: 国家标准《加工铜及铜合金牌号和化学成分》由TC243...