组合使用关键词、标准类型、状态与 ICS 分类，快速定位所需国家标准。
找到 5,061 条
GB/T 23362.4-2009
Methods for chemical analysis of high purity indium hydroxide - Part 4: Determination of aluminum, iron, copper, zinc, cadmium, lead and thallium content - Inductively coupled plasma mass spectrometry
GB/T 23362.3-2009
Methods for chemical analysis of high purity indium hydroxide - Part 3: Determination of antimony content - Atomic fluorescence spectrometry
GB/T 23362.2-2009
Methods for chemical analysis of high purity indium hydroxide - Part 2: Determination of tin content - Phenylfluorone spectrophotometry
GB/T 23362.1-2009
Methods for chemical analysis of high purity indium hydroxide - Part 1: Determination of arsenic content - Atomic fluorescence spectrometry
GB/T 4309-2009
Classification and designation for powder metallurgy materials
GB/T 6967-2009
Martensitic stainless steel castings for general engineering application
GB/T 11352-2009
Carbon steel castings for general engineering purpose
GB/T 2684-2009
Test methods for foundry sands and molding mixtures
GB/T 1348-2009
Spheroidal graphite iron castings
GB/T 23301-2009
Casting aluminum alloy for automobile wheels
GB/T 23272-2009
Tungsten wire for lighting and electronic equipments
GB/T 23271-2009
Molybdenum disulfide
GB/T 1777-2009
Superfine palladium powder
GB/T 1776-2009
Superfine platinum powder
GB/T 1775-2009
Superfine gold powder
GB/T 1774-2009
Superfine silver powder
GB/T 3249-2009
Test method for fisher number of metal powders and related compounds
GB/T 23277-2009
Chemical analysis methods of catalysts containing precious metals - Determination of platinum, palladium and rhodium in automobile exhaust-purifying catalysts - Spectrophotometry
GB/T 23276-2009
Method for chemical analysis of palladium compounds - Determination of palladium content - Complexometric tityation using butanedione dioxime releasing EDTA
GB/T 23275-2009
Methods for chemical analysis of ruthenium determination of lead, iron, nickel, aluminum, copper, silver, gold, platinum, palladium, rhodium, iridium and silicon in ruthenium powder by glow discharge mass spectrometry