Normy DIN - Německé národní normy - strana 2320

Aerospace series - Circuit breakers - Test methods - Part 511: Combined test: temperature, altitude and vibration.
(Letectví a kosmonautika - Jističe - Zkušební metody - Část 511: Kombinovaná zkouška: teplota, výška a vibrace.)

Norma vydaná dňa 1.9.2005

German standard methods for the examination of water, waste water and sludge - Biological-ecological analysis of water (group M) - Part 1: Determination of the saprobic index in running waters (M 1).

Norma vydaná dňa 1.10.2004

German standard methods for the examination of water, waste water and sludge - Microbiological methods (group K) - Part 25: Protocol for the validation of alternative confirmation procedures and for verification of validated alternative confirmation procedures (K 25).

Norma vydaná dňa 1.11.2025

German standard methods for the examination of water, waste water and sludge; test methods using water organisms (group L); determination of oxygen production and oxygen consumption in an aquatic environment (SPG and SVG) by means of the light and dark bottle method (L 13) (determination of biogenic aeration rate).

Norma vydaná dňa 1.9.1983

German standard methods for the examination of water, waste water and sludge; test methods using water organisms (group L); determination of oxygen production by means of the light and dark bottle method under laboratory conditions (SPL) (L 14) (determination of oxygen production potential).

Norma vydaná dňa 1.9.1983

German standard methods for the examination of water, waste water and sludge; bio-assays (group L); surfactant biodegradation and elimination test for simulation of municipal waste water treatment plants (L 26).

Norma vydaná dňa 1.5.1994

German standard methods for the examination of water, waste water and sludge - Bio-assays (group L) - Part 3: Toxicity test for assessing the inhibition of the dehydrogenase activity of activated sludge microorganisms (TTC-Test) (L 3).

Norma vydaná dňa 1.10.2010

German standard methods for the examination of water, waste water and sludge; bio-assays (group L); determining the tolerance of Daphnia to the toxicity of waste water by way of a dilution series (L 30).

Norma vydaná dňa 1.3.1989

German standard methods for the examination of water, waste water and sludge; bio-assays (group L); determining the tolerance of green algae to the toxicity of waste water (Scenedesmus chlorophyll fluorescence test) by way of dilution series (L 33).

Norma vydaná dňa 1.3.1991

German standard methods for the examination of water, waste water and sludge - Bio-assays (group L) - Part 37: Determination of the inhibitory effect of water on the growth of bacteria (Photobacterium phosphoreum cell multiplication inhibition test) (L 37).

Norma vydaná dňa 1.4.1999