GB/T 40998-2021
Determination of hydroxypropyl content in modified starch—Spectrophotometric method
GB/T 40998-2021
A-hydroxy polyether polyols
GB/T 40998-2021
2-Hydroxy-6-naphthoic acid
GB/T 40998-2021
Implants for surgery—Hydroxyapatite—Part 1:Ceramic hydroxyapatite
GB/T 40998-2021
Implants for surgery—Hydroxyapatite—Part 2:Coatings of hydroxyapatite
GB/T 40998-2021
Plastics - Trihydroxy polyether polyols
GB/T 40998-2021
1-Hydroxyethylidene-1,1-diphosphonate acid
GB/T 40998-2021
Plastics - Tetrahydroxy polyether polyols
GB/T 40998-2021
Plastics - Octahydroxy polyether polyols
GB/T 40998-2021
Polyhydroxyalkanoates (PHA) by biomanufacturing
GB/T 40998-2021
Modified starch—Determination of hydroxypropyl content—Method using proton nuclear magnetic resonance(NMR)spectrometry
GB/T 40998-2021
Dihydrogen hexahydroxy platinate
GB/T 40998-2021
Hydroxycitronellal
GB/T 40998-2021
Hydroxyacetonitrile for industrial use
GB/T 40998-2021
Hydroxyacetonitrile for industrial use Determination of hydroxyacetonitrile,formaldehyde and hydrocyanic acid
GB/T 40998-2021
GB/T 40998-2021
GB/T 40998-2021
Plastics - Di-hydroxyl polyether polyols
GB/T 40998-2021
Plastics - Hex-hydroxyl polyether polyols
GB/T 40998-2021
D-(-)-para-hydroxyphenylglycine