German standard methods for the examination of water, waste water and sludge; cations (group E), determination of nine heavy metals (Ag, Bi, Cd, Co, Cu, Ni, Pb, Tl, Zn) (E21)— 8 стр.
Characterization of waste - Analysis of eluates - Determination of pH, As, Ba, Cd, CI<(hoch)->, Co, Cr, Cr(VI), Cu, Mo, Ni, NO<(Index)2><(hoch)->, Pb, total S, SO<(Index)4>2<(hoch)->, V and Zn; German version EN 12506:2003— 19 стр.
Equipment for commercial kitchens - Systems for treatment of potable water for commercial kitchens - Part 1: Decarbonisation-systems installed before equipment for commercial kitchens— 18 стр.
German standard methods for the examination of water, waste water and sludge; cations (group E); determination of dissolved silver by atomic absorption spectrometry using electrothermal atomization (E 18)— 9 стр.