发布时间:2024-05-27 17:49:26 - 更新时间:2024年06月29日 15:22
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Methods for chemical analysis of tungsten concentrates—Part 2: Determination of tin content—Potassium iodate titrimetry and inductively coupled plasma atomic emission spectrometry
Methods for chemical analysis of tin concentrates—Part 1:Determination of moisture content—Heat drying method
Process management for avionics—Aerospace and defence electronic systems containing lead-free solder—Part 2:Mitigation of deleterious effects of tin
Methods for chemical analysis of copper and copper alloys—Part 28:Determination of chromium,iron,manganese,cobalt,nickel,zinc,arsenic,selenium,silver,cadmium,tin,antimony,tellurium,lead and bismuth content—Inductively coupled plasma-mass spectrometry
Flux for tin soldering
Practical superconducting wires—Twist pitch measurement method of Nb-Ti and Nb3Sn composite superconductors
Methods for chemical analysis of gold—Part 11:Determination of magnesium, chromium,manganese,iron,nickel,copper,palladium,silver,tin,antimony,lead and bismuth contents—Inductively coupled plasma mass spectrometry
Plain bearings—Technical specifications for Tin-based alloy plain bearings of rotating machinery
Process specifications of Pb-free plating tin and tin alloys
Textiles—Determination of organotin compounds—Part 1:Derivatisation method using GC-MS
12月21日,生态环境部发布《锡、锑、汞工业污染物排放标准》(GB 30770-2014)修改单,修改单发布之日起环境影响评价文件通过审批的新建、改建和扩建的相关工业企业或生产设施建设项目,自2021年1月1日起实施相关修改单的要求。修改单发布之日前环境影响评价文件已通过审批的相关工业企业或生产设施,自2022年1月1日起实施修改单的要求。
Residual resistance ratio measurement—Residual resistance ratio of Nb-Ti and Nb3Sn composite superconductors
Metastable decomposition strengthened Cu-Ni-Sn alloy rod
Tin-lead solder
Method for chemical analysis of rhodium compounds—Part 2: Determination of silver,gold,platinum,palladium,iridium,ruthenium,lead,nickel,copper,iron,tin,zinc,magnesium,manganese,aluminium,calcium,sodium,potassium,chromium and silicon contents—Inductively c
Methods for chemical analysis of aluminium and aluminium alloys—Part 10:Determination of tin content
Methods for chemical analysis of tantalum and niobium—Part 11:Determination of arsenic,antimony,lead,tin and and bismuth contents in niobium—Direct current arc atomic emission spectrometry
现批准《锡冶炼厂工艺设计标准》为国家标准,编号为GB51412—2020,自2020年8月1日起实施。其中,第3.0.11、3.0.14、3.0.15、3.0.16、7.1.8、8.0.15、9.2.11(3、4)、12.4.4(1)、12.4.6、12.5.2条(款)为强制性条文,必须严格执行。 本标准在住房和城乡建设部门户网站(www.mohurd.gov.cn)公开,并由住房和城乡建设部标准定额研究所组织中国计划出版社出版发行。 中华人民共和国住房和城乡建设部 2020年1月16日
Methods for chemical analysis of indium-tin oxide target
Pig iron and cast—Determination of chromium,copper,magnesium,manganese,molybdenum,nickel,phosphorus,tin,titanium,vanadium and silicon content—Inductively coupled plasma atomic emission spectrometric method
Pig iron and cast—Determination of chromium,copper,magnesium,manganese,molybdenum,nickel,phosphorus,tin,titanium,vanadium and silicon content—Inductively coupled plasma atomic emission spectrometric method
Methods for chemical analysis of indium-tin oxide target
Methods for chemical analysis of copper ores, lead ores and zinc ores—Part 19: Determination of tin content—Hydride generation atomic fluorescence spectrometry
Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 21: Determination of manganese, chromium, nickel, aluminum, molybdenum, tin, vanadium, yttrium, copper and zirconium content—Atomic emission spectrometry
Iron ores—Determination of tin content—Flame atomic absorption spectrometric method
Methods for chemical analysis of rhodium—Determination of platinum, ruthenium, iridium, palladium, gold, silver, copper, iron, nickel, aluminum, lead, manganese, magnesium, tin, zinc, silicon contents—Inductively coupled plasma mass spectrometry
Method for chemical analysis of iridium powder—Determination of silver, gold, palladium, rhodium, ruthenium, lead, platinum, nickel, copper, iron, tin, zinc, magnesium, manganese, aluminum contents —Inductively coupled plasma atomic emission spectrometry
Test method of tin penetrated on float glass surface
Test method of tin penetrated on float glass surface
Plain bearings—Tin casting alloys for multilayer plain bearings
本标准规定了多层滑动轴承用锡基铸造轴承合金技术要求。化学成分和材料性能是指未经加工的原材料,应使用有代表性的试样检测。由于轴承制造的影响,成品轴承的检测结果可能与原材料检测结果不一致。因此,成品轴承的检测结果不应作为材料性能指标的判定依据。
Plain bearings.Tin casting alloys for multilayer plain bearings
Determination of organotin content of latex products—GC-MS method
Determination of organotins content in coatings—Gas chromatography/mass spectrometry method
Methods for chemical analysis of tin-lead solders—Part 12:Determination of sulfur content—High frequency combustion with infrared absorption method