Biotechnology - Performance criteria for cell disrupters; German version EN 12885:1999
€63.27
Biotechnology - Performance criteria for shaft seals; German version EN 12690:1999
€69.91
Fundamentals for detection and determination of microorganisms in foodstuffs with impedance-method
€48.79
Microbiology of food and animal feeding stuffs - Preparation of the test samples, of initial suspension and of decimal dilutions for microbiological examination - Part 1: General rules for the preparation of the initial suspension and decimal dilutions (ISO 6887-1:1999); German version EN ISO 6887-1:1999
€56.17
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
€34.30
Biotechnology - Laboratories for research, development and analysis - Guidance for containment of animals inoculated with microorganisms in experiments; German version EN 12738:1999
Biotechnology - Laboratories for research, development and analysis - Guidance for handling, inactivating and testing of waste; German version EN 12740:1999
Biotechnology - Laboratories for research, development and analysis - Guidance for biotechnology laboratory operations; German version EN 12741:1999
Biotechnology - Performance criteria for off-gas systems; German version EN 13095:1999
Biotechnology - Equipment - Guidance on sampling and inoculation procedures; German version EN 13092:1999
Biotechnology - Performance criteria for filter elements and filtration assemblies; German version EN 13091:1999
Workplace atmospheres - Guidelines for measurement of airborne microorganisms and endotoxin; German version EN 13098:2000
€84.58
Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Carbon dioxide evolution test (ISO 9439:1999); German version EN ISO 9439:2000
Textiles - Determination of resistance of cellulose-containing textiles to micro-organisms - Soil burial test - Part 1: Assessment of rot-retardant finishing (ISO 11721-1:2001); German version EN ISO 11721-1:2001
German standard methods for the examination of water, waste water and sludge - Bio-assays (group L) - Part 48: Toxicity test with Arthrobacter globiformis for contaminated solids (L 48)
