Testing of glass; grain method for determination of the hydrolytic resistance of glass as a material at 98 °C and classification of glass into hydrolytic classes— 4 стр.
German standard methods for the examination of water, waste water and sludge; general measures of effects and substances (group H), determination of the settleable matter by mass concentration in water and waste water (H10)— 5 стр.
German standard methods for the examination of water, waste water and sludge; parameters characterizing effects and substances (group H); determination of filterable matter and the residue on ignition (H 2)— 12 стр.
German standard methods for the examination of water, waste water and sludge; general measures of effects and substances (group H), determination of the total nonfilterable residue and residue on ignition (H2)— 8 стр.
