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.
Chemicals used for treatment of water intended for human consumption. Polyaluminium chloride hydroxide and polyaluminium chloride hydroxide sulfate— 22 стр.
Chemicals used for treatment of water intended for human consumption. Aluminium chloride (monomeric), aluminium chloride hydroxide (monomeric) and aluminium chloride hydroxide sulfate (monomeric)— 22 стр.