News
- 2019-05-24 ISO/TS 19807-2 "Nanotechnologies -- Magnetic nanomaterials -- Part 2: Specification of characteristics and measurements for nanostructured superparamagnetic beads for nucleic acid extraction"
- 2018-09-07 Cooperation, the key to the future
- 2016-11-15 Sino-German City-to-City Standardization Cooperation Seminar
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- BAM - Federal Institute for Materials Research and Testing
- DIN Media - DIN Media GmbH
- BMWK - Federal Ministry for Economic Affairs and Climate Action
- DIN - Deutsches Institut für Normung
- PTB - Physikalisch-Technische Bundesanstalt
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GB/T 6730.74-2017
Iron ores－Determination of magnesium content－Flame atomic absorption spectrometric method
GB/T 6730.42-2017
Iron ores—Determination of lead content—Dithizone spectrophotometric method
GB/T 6730.39-2017
Iron ores—Determination of nickle content—Dimetylglyoxime spectrophotometric method
GB/T 6730.47-2017
Iron ores—Determination of niobium content—Sulfochlorophenol S spectrophotometric method
GB/T 7676.6-2017
直接作用模拟指示电测量仪表及其附件 第6部分:电阻表（阻抗表）和电导表的特殊要求
Direct acting indicating analogue electrical measuring instruments and their accessories—Part 6:Special requirements for ohmmeters(impedance meters ) and conductance meters
GB/T 7676.5-2017
直接作用模拟指示电测量仪表及其附件 第5部分:相位表、功率因数表和同步指示器的特殊要求
Direct acting indicating analogue electrical measuring instruments and their accessories—Part 5:Special requirements for phase meters, power factor meters and synchroscopes