HG/T 5396
HG/T 5396
Surface active agents. Alkoxylated derivatives. Determination of hydroxyl value. N-methyl imidazole method
HG/T 5396
Surface active agents - Alkoxylated derivatives - Determination of hydroxyl value - N-methyl imidazole method
HG/T 5396
Surface active agents - Alkoxylated derivatives - Determination of hydroxyl value; N-methyl imidazole method
HG/T 5396