KS M ISO 4327-2003(2023)
Non-ionic surface active agents-Polyalkoxylated derivatives -Determination of hydroxyl value-Phthalic anhydride method
UNE 55717:1984
SURFACE ACTIVE AGENTS. POLYGLYCOLS. DETERMINATION OF HYDROXYL NUMBER. PHTHALIC ANHYDRIDE ESTERIFICATION METHOD
ISO 4327:1979
Non-ionic surface active agents — Polyalkoxylated derivatives — Determination of hydroxyl value — Phthalic anhydride method
HG/T 5199-2017
Test method of activity for pyridine hydrogenation to prepare piperidine with ruthenium-carbon catalysts
BS EN 13926:2003
Surface active agents. Alkoxylated derivatives. Determination of hydroxyl value. N-methyl imidazole method
UNE-EN 13926:2003
Surface active agents - Alkoxylated derivatives - Determination of hydroxyl value - N-methyl imidazole method
32017R2065
DIN EN 13926
Surface active agents - Alkoxylated derivatives - Determination of hydroxyl value; N-methyl imidazole method
UNE 55731:1982
SURFACE ACTIVE AGENTS. NON-IONIC SURFACE ACTIVE AGENTS. POLYALKAXYLATED DERIVATIVES. DETEMINATION OF HYDROXYL VALUE. PHTALIC ANHYDRIDE METHOD
UNE 55730:1982
SURFACE ACTIVE AGENTS. NON-IONIC SURFACE ACTIVE AGENTS. POLYETHOXYLATED DERIVATIVES. DETERMINATION OF HYDROXYL VALUE. ACETIC ANHYDRIDE METHOD
EN 16342:2013
EN 15168:2006
UNE-EN 15168:2007
Surface active agents - Determination of hydroxyl value. p-Toluensulfonyl isocyanate (TSI) method and potentiometric titration with tetrabutylammonium hydroxide
BS EN 15168:2006
Surface active agents. Determination of hydroxyl value. p-Toluensulfonyl isocyanate (TSI) method and potentiometric titration with tetrabutylammonium hydroxide
32013R0469
ISO 4326:1980
Non-ionic surface active agents — Polyethoxylated derivatives — Determination of hydroxyl value — Acetic anhydride method
DIN EN 15168
Surface active agents - Determination of hydroxyl value - p-Toluensulfonyl isocyanate (TSI) method and potentiometric titration with tetrabutylammonium hydroxide
32013R0469R(01)
32016R1423
32015R1115