共找到 464 条与 稀有高熔点金属及其合金 相关的标准,共 31 页
Methods for chemical analysis of zirconium and zirconium alloys—Part 24:Determination of carbon content—Infrared absorption method after high frequency combustion
Methods for chemical analysis of zirconium and zirconium alloys—Part 17:Determination of cadmium content—Polarography
Methods for chemical analysis of zirconium and zirconium alloys—Part 11: Determination of molybdenum content—Thiocyanate spectrophotometry
Methods for chemical analysis of zirconium and zirconium alloys—Part 22:Determination of oxygen and nitrogen contents—Inert gas fusion-infrared absorption and thermal conductivity method
Methods for chemical analysis of zirconium and zirconium alloys—Part 13: Determination of lead content—Polarography
Methods for chemical analysis of zirconium and zirconium alloys—Part 25:Determination of niobium content—2-(5-bromo-2-pyridylazo)-5-diethylam inophenol spectrophotometry and inductively coupled plasma atomic emission spectrometry
Zirconium and zirconium alloy sheet, strip and foil
Methods for chemical analysis of zirconium and zirconium alloys—Part 21:Determination of hydrogen content—Inert gas fusion-infrared absorption or thermal conductivity method
Methods for chemical analysis of zirconium and zirconium alloys—Part 15:Determination of boron content—Curcumin spectrophotometry
Methods for chemical analysis of zirconium and zirconium alloys—Part 1:Determination of tin content—Potassium iodate titration and phenylfluorone-polyethylene glycoloctyl phenyl ether spectrophotometry
本标准规定了钒的要求、试验方法、检验规则、标志、包装、运输、贮存及质量证明书和订货单(或合同)内容。 本标准适用于熔融盐电解精炼法生产的钒。本产品供作超导材料、快中子反应堆结构材料和特种合金添加剂等用。
Vanadium
本标准规定了电弧焊和等离子焊接、切割用钨电极材料的要求、试验方法、检验规则、标志、包装、运输、贮存、质量证明书及订货单(或合同)内容。 本标准适用于惰性气体保护电弧焊和等离子焊接、切割、喷涂、熔炼用钨电极。
Tungsten electrodes for arc welding and plasma welding and cutting
本标准规定了钼圆片产品的要求、试验方法、检验规贝丨(或订货单)内容″钼本标准适用于功率半导体器件及电真牢器件等用钼片”
Molybdenum discs
本标准规定了钼及钼合金棒的要求、试验方法、检验规则、标志、包装、运输、贮存、质量证明书和合同(或订货单)内容。本标准适用于钼及钼合金烧结棒材、压力加工棒材(含机械加工棒材)。
Molybdenum and molybdenum alloy bar
本标准规定了氧化钨的要求、试验方法、检验规则及标志、包装、运输、贮存、质量证明书和合同(或订货单)内容。本标准适用于三氧化钨(简称黄钨)、蓝色氧化钨(简称蓝钨)、紫色氧化钨(简称紫钨)。
Tungstic oxide
本标准规定了包装黑钨精矿(钨锰铁矿、钨锰矿及钨铁矿)和白钨精矿(钨酸钙矿)的一般规定、取样、制样方法。本标准适用于包装黑钨精矿(钨锰铁矿、钨锰矿及钨铁矿)和白钨精矿(钨酸钙矿)的化学成分和水分测定用样的采取和制备。
Methods of sampling and sample preparation of tungsten concentrates in bags
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