GB/T 12442-2019
Test method for the hydroxyl groups content of silica glass
GB/T 12442-2019
Hydroxyacetonitrile for industrial use Determination of hydroxyacetonitrile,formaldehyde and hydrocyanic acid
GB/T 12442-2019
Acrylonitrile for industrial use—Part 15:Determination of concent of p-hydroxylanisole
GB/T 12442-2019
GB/T 12442-2019
Ferromolybdenum―Determination of molybdenum content―Lead molybdate gravimetric method,ammonium metavanadate titration method and 8-hydroxyquinoline gravimetric method
GB/T 12442-2019
Resin finishing agent―Determination total formaldehyde content、free formaldehyde content and methylol formadehyde contend
GB/T 12442-2019
Determination of molybdenum in steel for import and export - 8-hydroxyquinoline gravimetric after separation with thioacetamide
GB/T 12442-2019
Determination of chloroacetaldehyde,2,4-dihydroxy-3-methylbenzaldehyde,crotonaldehyde,acetophenone,2-pentylidenecyclohexanone and glutaral in cosmetics—High performance liquid chromatography
GB/T 12442-2019
Test method for the hydroxyl groups contentof silica glass
GB/T 12442-2019
Determination of hydroxypropyl content in modified starch—Spectrophotometric method
GB/T 12442-2019
BS EN 1240. Adhesives. Determination of hydroxyl value and/or hydroxyl content
GB/T 12442-2019
GB/T 12442-2019
Modified starch—Determination of hydroxypropyl content—Method using proton nuclear magnetic resonance(NMR)spectrometry
GB/T 12442-2019
ADHESIVES. DETERMINATION OF HYDROXYL VALUE AND/OR HYDROXYL CONTENT.
GB/T 12442-2019
Acrylonitrile for industrial use—Determination of content of p-hydroxylanisole—Spectrophotometric method
GB/T 12442-2019
GB/T 12442-2019
Method for the determination of hydroxymethylfurfural in honey--HPLC-UV detection method
GB/T 12442-2019
GB/T 12442-2019
GB/T 12442-2019
铁矿石 钴含量的测定 亚硝基-R盐分光光度法