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 measures of effects and substances (group H) - Part 22: Determination of dissolved adsorbable and organically bound halogens in salt loaded water (SPE-AOX) (H 22)— 22 стр.
German standard methods for the examination of water, waste water and sludge; sludge and sediments (group S); detection of salmonellae in disinfected sewage sludge (S 13)— 14 стр.
Petroleum and natural gas industries - Cements and materials for well cementing - Part 1: Specification (ISO 10426-1:2005); English version EN ISO 10426-1:2006— 45 стр.
Petroleum and natural gas industries - Cements and materials for well cementing - Part 1: Specification (ISO 10426-1:2000); German version EN ISO 10426-1:2000— 45 стр.
Testing of Mineral Oils and Fuels; Determination of the Sulfur Content (Total Sulfur); Combustion according to the Lingen Method; Thorin-Sulfonazo-III Titration; Turbidimetric Titration— 8 стр.
Testing of mineral oils and fuels - Determination of sulfur content (total sulfur) - Part 2: Combusting according to Grote-Krekeler; acidimetric titration; gravimetric determination— 9 стр.