Quality requirements for fusion welding of metallic materials - Part 5: Documents with which it is necessary to conform to claim conformity to the quality requirements of ISO 3834-2, ISO 3834-3 or ISO 3834-4 (ISO 3834-5:2015); German version EN ISO 3834-5:2015— 17 стр.
German standard methods for the examination of water, waste water and sludge - Sludge and sediments (group S) - Part 17: Determination of the organically bound halogens amenable to extraction (EOX) (S 17)— 14 стр.
German standard methods for the examination of water, waste water and sludge - Sludge and sediments (group S) - Part 18: Determination of adsorbed organically bound halogens in sludge and sediments (AOX) (S 18)— 13 стр.