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- 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"
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GB/T 12689.2-2004
The methods for chemical analysis of zinc and zinc alloys--The determination of arsenic content--The atomic fluorescence spectrometer method
GB/T 12689.4-2004
锌及锌合金化学分析方法 铜量的测定 二乙基二硫代氨基甲酸铅分光光度法、火焰原子吸收光谱法和电解法
The methods for chemical analysis of zinc and zinc alloys--The determination of copper content--The lead diethyldithio-carbamate spectrophotometric method and the flame atomic absorption spectrometric method and the electrolytic method
GB/T 12689.11-2004
锌及锌合金化学分析方法 镧、铈合量的测定 三溴偶氮胂分光光度法
The methods for chemical analysis of zinc and zinc alloys--The determination of lanthanum and cerium contents--The tri-bromide arsenazo spectrophoto-metric method
GB 21252-2023
Norm of energy consumption for unit production of architecture and sanitary ceramics and alumina grinding ball
GB/T 12689.6-2004
The methods for chemical analysis of zinc and zinc alloys--The determination of lead content--The oscillopolarographic method
GB/T 12689.5-2004
锌及锌合金化学分析方法 铁量的测定 磺基水杨酸分光光度法和火焰原子吸收光谱法
The methods for chemical analysis of zinc and zinc alloys--The determination of iron content--The sultosalicylic acid spectrometric method and the flame atomic absorption spectrometric method
GB/T 22908-2008
Technical specification of abandoned fluorescent lamp’s recycling and reuse