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 38409-2019
皮革 化学试验 N-甲基吡咯烷酮(NMP)和N-乙基吡咯烷酮(NEP)的测定
Leather—Chemical tests—Determination of N-methyl-2-pyrrolidone(NMP) and N-ethyl-2-pyrrolidone (NEP) content
GB/T 38394-2019
煤焦油 钠、钙、镁、铁含量的测定 电感耦合等离子体发射光谱法
Coal tar—Determination of sodium, calcium, magnesium and iron content—Inductively coupled plasma optical emission spectrometry
GB/T 39138.1-2020
金镍铬铁硅硼合金化学分析方法 第1部分:金含量的测定 硫酸亚铁电位滴定法
Methods for chemical analysis of gold nickel chromium iron silicon boron alloys—Part 1:Determination of gold content—Potentiometric titration using ferrous sulfate





