GB/T 37640-2019
Determination of chloroacetaldehyde,2,4-dihydroxy-3-methylbenzaldehyde,crotonaldehyde,acetophenone,2-pentylidenecyclohexanone and glutaral in cosmetics—High performance liquid chromatography
GB/T 37640-2019
Methods for chemical analysis of molybdenum--The glyoxal bis (2-hydroxyanil) photometric method for the determination of calcium content
GB/T 37640-2019
Methods for chemical analysis of tungsten--The glyoxal bis (2-hydroxyanil) photometric method for the determination of calcium content
GB/T 37640-2019
2-Hydroxy-6-naphthoic acid
GB/T 37640-2019
贵金属合金化学分析方法 钯、银合金中钯量的测定 二甲基乙二醛肟重量法
GB/T 37640-2019
Implants for surgery—Hydroxyapatite—Part 2:Coatings of hydroxyapatite
GB/T 37640-2019
GB/T 37640-2019
GB/T 37640-2019
GB/T 37640-2019
GB/T 37640-2019
GB/T 37640-2019
GB/T 37640-2019
GB/T 37640-2019
2-Hydroxy-6-naphthalene carboxylic acid
GB/T 37640-2019
Water treatment chemicals:2-Hydroxyphosphonoacetic acid
GB/T 37640-2019
GB/T 37640-2019
Paper,board and pulps—Determination of 2,2-bis(4-hydroxyphenyl) propane (bisphenol A )—Liquid chromatography
GB/T 37640-2019
GB/T 37640-2019
Implants for surgery-Hydroxyapatite Part2:Thermally sprayed coatings of hydroxyapatite
GB/T 37640-2019