German standard methods for the examination of water, waste water and sludge; anions (group D); determination of dissolved sulfide by spectrometry (D 26)— 10 стр.
German standard methods for the examination of water, waste water and sludge; general information (group A); calibration of analytical methods, evaluation of analytical results and linear calibration functions used to determine the performance characteristics of analytical methods (A 51)— 16 стр.
Methods of soil investigations for agricultural engineering - Chemical laboratory tests - Part 10: Testing and evaluation of water for irrigation— 11 стр.
German standard methods for the examination of water, waste water and sludge - Anions (group D) - Part 27: Determination of sulfide by gas extraction method (D 27)— 28 стр.
German standard methods for the examination of water, waste water and sludge; anions (group D); determination of readily liberatet sulfide (D 27)— 11 стр.
