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
Hydroxyacetonitrile for industrial use Determination of hydroxyacetonitrile,formaldehyde and hydrocyanic acid
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
Acetaldehyde for industrial use
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
Test for Acetaldehyde
GB/T 37640-2019
GB/T 37640-2019
A-hydroxy polyether polyols
GB/T 37640-2019
Determination of chloral content for superphosphorate
GB/T 37640-2019
Implants for surgery—Hydroxyapatite—Part 1:Ceramic hydroxyapatite
GB/T 37640-2019
Implants for surgery—Hydroxyapatite—Part 2:Coatings of hydroxyapatite
GB/T 37640-2019
Plastics - Trihydroxy polyether polyols
GB/T 37640-2019
1-Hydroxyethylidene-1,1-diphosphonate acid
GB/T 37640-2019
Plastics - Tetrahydroxy polyether polyols
GB/T 37640-2019
Plastics - Octahydroxy polyether polyols
GB/T 37640-2019
Safety technical code for chloral production
GB/T 37640-2019
Dihydrogen hexahydroxy platinate
GB/T 37640-2019
Inspection rules for import and exprot dangerous chemical products - Acetaldehyde
GB/T 37640-2019
Hydroxycitronellal