Corrosion of metals - Corrosion of metallic materials under corrosion load by water inside of tubes, tanks and apparatus - Part 6: Influence of the composition of drinking water— 13 стр.
Methods of soil investigations for agricultural engineering - Chemical laboratory tests - Part 10: Testing and evaluation of water for irrigation— 11 стр.
German standard methods for the examination of water, waste water and sludge - General information (group A) - Part 30: Pretreatment, homogenization and aliquotation of non-homogeneous water samples (A 30)— 16 стр.
German standard methods for the examination of water, waste water and sludge - General information (group A) - Part 71: Equivalance of two analytical methods based on the comparison of results and their statistical evaluation, Procedure for quantitative characteristics with continuous set of values (A 71)— 30 стр.