DIN 38405-21:1990-10 German standard methods for the examination of water, waste water and sludge; anions (group D); determination of dissolved silicate by spectrometry (D 21)

标准编号：DIN 38405-21:1990-10

英文标题：German standard methods for the examination of water, waste water and sludge; anions (group D); determination of dissolved silicate by spectrometry (D 21)

德文标题：Deutsche Einheitsverfahren zur Wasser-, Abwasser- und Schlammuntersuchung; Anionen (Gruppe D); Photometrische Bestimmung von gelöster Kieselsäure (D 21)

发布日期：1990-10

DIN 38405-21:1990-10 German standard methods for the examination of water, waste water and sludge; anions (group D); determination of dissolved silicate by spectrometry (D 21)

标准预览图