German standard methods for the examination of water, waste water and sludge; anions (group D); determination of arsenic by atomic absorption spectrometry (D 18)— 10 стр.
Accuracy (trueness and precision) of measurement methods and results. Part 2. Basic method for the determination of repeatability and reproducibility of a standard measurement method— 52 стр.
Water quality -- Determination of dissolved anions by liquid chromatography of ions -- Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate— 22 стр.
