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.
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.
Water quality - Enumeration of culturable micro-organisms - Colony count by inoculation in a nutrient agar culture medium (ISO 6222:1999); German version EN ISO 6222:1999— 8 стр.
Water quality - Enumeration of culturable micro-organisms - Colony count by inoculation in a nutrient agar culture medium (ISO 6222:1999); German version EN ISO 6222:1999— 8 стр.
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; microbiological methods (group K); detection of spores from sulfite-reducing anaerobes (clostridia) (K 7)— 8 стр.