Surface active agents. Determination of quaternary ammonium surface active agents in raw materials and formulated products. Potentiometric two-phase titration method— 16 стр.
Accuracy (trueness and precision) of measurement methods and results. Basic methods for the determination of repeatability and reproducibility of a standard measurement method— 62 стр.
Surface active agents. Detergents. Determination of cationic-active matter content. Cationic-active matter of low molecular mass (between 200 and 500)— 14 стр.
