German standard methodes for the examination of water, waste water und sludge; microbiological methods (group K); determination of Escherichia coli and coliform organisms (K6)— 16 стр.
German standard methods for the examination of water, waste water and sludge; general information (group A); sampling of untreated water and drinking water (A 14)— 11 стр.
German standard methods for the examination of water, waste water and sludge; general information (group A); sampling of swimming pool and bathing pool water (A 19)— 8 стр.
German standard methods for the examination of water, waste water and sludge; Microbiological methods (Group K); Preparation for the microbiological examination of water samples (K1)— 7 стр.
German standard methods for the examination of water, waste water and sludge; microbiological methods (group K); determination of reproductive germs using the membrane filter method (K5)— 5 стр.
Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 2: Most probable number method (ISO 9308-2:2012); German version EN ISO 9308-2:2014— 55 стр.
Softeners (cation exchangers) for drinking water installation - Part 100: Requirements for application of softeners in accordance with DIN EN 14743— 13 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 - Microbiological methods (group K) - Part 9: Determination of enterobacterial common antigen (ECA) for the detection of lactose-fermenting enterobacteriaceae (K 9)— 13 стр.
