pH-measurement - pH-measurement of aqueous solutions with pH measuring chains with pH glass electrodes and evaluation of measurement uncertainty— 16 стр.
German standard methods for the examination of water, waste water and sludge - Parameters characterizing effects and substances (group H) - Part 7: Determination of acid and base-neutralizing capacities (H 7)— 28 стр.
German standard methods for the examination of water, waste water and sludge - General measures of effects and substances (group H) - Part 7: Determination of acid and base capacity (H 7)— 27 стр.
German standard methods for the analysis of water, waste water and sludge; Sludge and sediments (group S); Determination of pH value in sludge and sediments (S 5)— 4 стр.
German standard methods for the examination of water, waste water and sludge - Physical and physico-chemical characteristics (group C) - Part 5: Determination of pH value (C 5)— 24 стр.
