化纤用氢氧化钠
Sodium hydroxide for chemical fiber use
检测标准
化纤用氢氧化钠 氢氧化钠含量的测定
Sodium hydroxide for chemical fiber use Determination of sodium hydroxide content
橡胶中锌含量的测定 EDTA 滴定法
Rubber-Determination of zinccontent-EDTA titrimetric method
高纯氢氧化钠试验方法 第2部分:三氧化二铝含量的测定分光光度法
Test methods of high-purity sodium hydroxide Part 2:Determination of aluminium oxide content Spectrometric method
橡胶中铁含量的测定 原子吸收光谱法
Rubber-Determination of iron content byatomic absorption spectrometry
高纯氢氧化钠试验方法 第3部分:钙含量的测定火焰原子吸收法
Test methods of high-purity sodium hydroxide-Part 3:Determinationof calcinm contents-Flame atomic absorption method
橡胶 热导率的测定 热线法
Rubber-Determination of thermal conductivity by means of hot-Wire method
橡胶中铁含量的测定 1,10-菲啰啉光度法
Rubber-Determination of iron content 1,10-Phenanthroline photometric method
硫化橡胶或热塑性橡胶 抗静电和导电制品电阻的测定
Rubber,vulcanized or thermcplastic-Antistatic and conductive products Determination of electrical resistance
磁性橡胶磁性能的测定方法
Maghetie rubber-Determination method of magnetic properties
