Central drinking water supply - Guide lines regarding requirements for drinking water, planning, construction, operation and maintenance of plants - Technical rule of the DVGW— 10 стр.
German standard methods for examination of water, waste water and sludge; physical and physico-chemical characteristics (group C); determination of pH value (C5)— 7 стр.
German standard methods for the examination of water, waste water and sludge - Cations (group E) - Part 3: Determination of calcium and magnesium, complexometric method (E 3)— 13 стр.
German standard methods for the examination of water, waste water and sludge - Parameters characterizing effects and substances (group H) - Part 7: Determination of acid and base-neutralizing capacities (H 7)— 28 стр.
Viscometry - Measurement of kinematic viscosity by means of the Ubbelohde viscometer - Part 1: Viscometer specification and measurement procedure— 9 стр.
Aluminium and aluminium alloys - Chemical composition and form of wrought products - Part 3: Chemical composition; German version EN 573-3:2003— 21 стр.
Petroleum and related products - Determination of the corrosion resistance of fire-resistant hydraulic fluids - Part 1: Water-containing fluids (ISO 4404-1:2001); German version EN ISO 4404-1:2006— 20 стр.
Lubricants, industrial oils and related products (class L) - Classification - Part 4: Family H (Hydraulic systems) (ISO 6743-4:1999); German version EN ISO 6743-4:2001— 5 стр.
Water quality - Determination of dissolved fluoride, chloride, nitrite, orthophosphate, bromide, nitrate and sulfate ions, using liquid chromatography of ions - Part 1: Method for water with low contamination (ISO 10304-1:1992); German version EN ISO 10304-1:1995— 24 стр.
Water quality - Determination of 33 elements by inductively coupled plasma atomic emission spectroscopy (ISO 11885:1996); German version EN ISO 11885:1997— 22 стр.
Water quality - Determination of dissolved Li<(hoch)+>, Na<(hoch)+>, NH<(Index)4><(hoch)+>, K<(hoch)+>, Mn<(hoch)2+>, Ca<(hoch)2+>, Mg<(hoch)2+>, Sr<(hoch)2+> and Ba<(hoch)2+> using ion chromatography - Method for water and waste water (ISO 14911:1998); German version EN ISO 14911:1999— 30 стр.
Petroleum and related products - Determination of emulsion stability of fire-resistant fluids - Part 1: Fluids in category HFAE (ISO 20783-1:2003); German version EN ISO 20783-1:2003— 14 стр.
Petroleum and related products - Determination of pH of fire-resistant fluids within categories HFAE, HFAS and HFC (ISO 20843:2003); German version EN ISO 20843:2003— 12 стр.
