German standard methods for the examination of water, waste water and sludge; substance group analysis (group F); determination of benzene and some of its derivatives by gas chromatography (F 9)— 36 стр.
German standard methods for the examination of water, waste water and sludge - Summary indices of actions and substances (group H) - Determination of directly separable lipophilic substances (H 19)— 8 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 - Jointly determinable substances (group F) - Part 13: Determination of selected organotin compounds by gas chromatography (F 13)— 34 стр.
German standard methods for the examination of water, waste water and sludge - Jointly determinable substances (group F) - Part 39: Determination of selected polycyclic aromatic hydrocarbons (PAH) - Method using gas chromatography with mass spectrometric detection (GC-MS) (F 39)— 36 стр.
