German standard methods for the examination of water, waste water and sludge - Anions (group D) - Part 29: Spectrometric determination of nitrate with sulfosalicylic acid (D 29); ISO 7890-3:1988, modified
Edition 1994-11

German standard methods for the examination of water, waste water and sludge - Anions (group D) - Part 29: Spectrometric determination of nitrate with sulfosalicylic acid (D 29); ISO 7890-3:1988, modified; Corrigendum 1
Edition 2019-02

German standard methods for the examination of water, waste water and sludge - Anions (group D) - Part 32: Determination of antimony by atomic absorption spectrometry (D 32)
Edition 2000-05

German standard methods for the examination of water, waste water and sludge - Anions (group D) - Part 33: Determination of iodide by spectrometry (D 33)
Edition 2001-02

German standard methods for the examination of water, waste water and sludge - Anions (group D) - Part 33: Determination of iodide by spectrometry (D 33); Corrigendum 1
Edition 2018-12

German standard methods for the examination of water, waste water and sludge - Anions (group D) - Part 35: Determination of arsenic - Method by graphite furnace atomic absorption spectrometry (GF-AAS) (D 35)
Edition 2004-09

German standard methods for the examination of water, waste water and sludge - Anions (group D) - Part 52: Photometric determination of dissolved chromium(VI) in water (D 52)
Edition 2020-11

German standard methods for the examination of water, waste water and sludge; cations (group E); determination of iron (E 1)
Edition 1983-05

German standard methods for the examination of water, waste water and sludge; cations (group E); determination of manganese (E 2)
Edition 1983-05

German standard methods for the examination of water, waste water and sludge - Cations (group E) - Part 3: Determination of calcium and magnesium, complexometric method (E 3)
Edition 2002-03