Solid biofuels - Determination of moisture content - Oven dry method - Part 3: Moisture in general analysis sample; German version EN 14774-3:2009— 8 стр.
Water quality - Determination of sodium and potassium - Part 3: Determination of sodium and potassium by flame emission spectrometry (ISO 9964-3:1993)— 8 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 (ISO 5725-2:1994 including Technical Corrigendum 1:2002)— 97 стр.
German standard methods for the examination of water, waste water and sludge; cations (group E); determination of sodium by atomic absorption spectrometry (ASS) using an air-acetylene flame (E 14)— 8 стр.
German standard methods for the examination of water, waste water and sludge; cations (group E); determination of potassium by atomic absorption spectrometry (AAS) using an air-acetylene flame (E 13)— 8 стр.
Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate (ISO 10304-1:2007 + Cor 1:2010) (consolidated version)