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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 18685-2017
The blank diameters for rolling general purpose metric screw threads
GB/T 5754.2-2017
Steel cord conveyor belts—Longitudinal traction test—Part 2: Measurement of tensile strength
GB/T 13747.22-2017
锆及锆合金化学分析方法 第22部分:氧量和氮量的测定 惰气熔融红外吸收法/热导法
Methods for chemical analysis of zirconium and zirconium alloys—Part 22:Determination of oxygen and nitrogen contents—Inert gas fusion-infrared absorption and thermal conductivity method
GB/T 13747.24-2017
锆及锆合金化学分析方法 第24部分:碳量的测定 高频燃烧红外吸收法
Methods for chemical analysis of zirconium and zirconium alloys—Part 24:Determination of carbon content—Infrared absorption method after high frequency combustion
GB/T 34455-2017
纸、纸板和纸浆 2,2-二（4-羟基苯基）丙烷（双酚A）的测定 液相色谱法
Paper,board and pulps—Determination of 2,2-bis(4-hydroxyphenyl) propane (bisphenol A )—Liquid chromatography
GB/T 13747.1-2017
锆及锆合金化学分析方法 第1部分:锡量的测定 碘酸钾滴定法和苯基荧光酮-聚乙二醇辛基苯基醚分光光度法
Methods for chemical analysis of zirconium and zirconium alloys—Part 1:Determination of tin content—Potassium iodate titration and phenylfluorone-polyethylene glycoloctyl phenyl ether spectrophotometry
GB/T 13747.25-2017
锆及锆合金化学分析方法 第25部分:铌量的测定 5-Br-PADAP分光光度法和电感耦合等离子体原子发射光谱法
Methods for chemical analysis of zirconium and zirconium alloys—Part 25:Determination of niobium content—2-(5-bromo-2-pyridylazo)-5-diethylam inophenol spectrophotometry and inductively coupled plasma atomic emission spectrometry
GB/T 13747.17-2017
Methods for chemical analysis of zirconium and zirconium alloys—Part 17:Determination of cadmium content—Polarography