GB/T 12009.4-2016
Plastics—Aromatic isocyanates for use in the production of polyurethane—Part 4: Determination of isocyanate content
GB/T 12009.4-2016
GB/T 12009.4-2016
GB/T 12009.4-2016
Hydroxyacetonitrile for industrial use Determination of hydroxyacetonitrile,formaldehyde and hydrocyanic acid
GB/T 12009.4-2016
Standard Test Method for Hydroxyl Groups Using Reaction with
GB/T 12009.4-2016
Standard Test Method for Hydroxyl Groups Using Reaction with
GB/T 12009.4-2016
Polymethylene polyphenyl isocyanate—Determination of isocyanate content
GB/T 12009.4-2016
GB/T 12009.4-2016
Workplace atmostheres-Determination of total isocynate groups in air using 1-(9-anthracenylmethyl)piperazine(MAP) reagent and liquid chromatography
GB/T 12009.4-2016
GB/T 12009.4-2016
GB/T 12009.4-2016
Standard Test Method for Hydroxyl Groups Using Reaction with
GB/T 12009.4-2016
Surface active agents - Determination of hydroxyl value. p-Toluensulfonyl isocyanate (TSI) method and potentiometric titration with tetrabutylammonium hydroxide
GB/T 12009.4-2016
Surface active agents. Determination of hydroxyl value. p-Toluensulfonyl isocyanate (TSI) method and potentiometric titration with tetrabutylammonium hydroxide
GB/T 12009.4-2016
Surface active agents - Determination of hydroxyl value - p-Toluensulfonyl isocyanate (TSI) method and potentiometric titration with tetrabutylammonium hydroxide
GB/T 12009.4-2016
Standard Test Method for Hydroxyl Groups Using Reaction with p-Toluenesulfonyl Isocyanate (TSI) and Potentiometric Titration with Tetrabutylammonium Hydroxide
GB/T 12009.4-2016
Standard Test Method for Hydroxyl Groups Using Reaction with p-Toluenesulfonyl Isocyanate (TSI) and Potentiometric Titration with Tetrabutylammonium Hydroxide