Testing of surface active agents and textile auxiliaries - Determination of dispersing power or flocculation preventive power of surface active agents when added to dyestuffs in acidic medium— 5 стр.
Testing of surface active agents and textile auxiliaries - Determination of dispersing power or flocculation preventive power of surface active agents when added to dyestuffs in neutral medium— 5 стр.
Testing of plastics; determination of plasticizer sorption of polymerisates of vinyl chloride (VC) at ambient temperature, centrifugation method— 3 стр.
Testing of mineral oil hydrocarbons and similar products; determination of chlorine content; combustion in the bomb and according to Grote-Krekeler— 6 стр.
Methods of soil investigations for agricultural engineering; chemical laboratory tests, determination of the plant detrimental sulphides and poly sulphides in the soil— 2 стр.
Methods of soil investigations for agricultural engineering; chemical laboratory tests, determination of electrical conductivity of water and of soil saturation extracts— 3 стр.
Testing of cooling lubricants; determination of corrosion preventing characteristics of cooling lubricants mixed with water; Herbert corrosion test— 5 стр.
German standard methods for the examination of water, waste water and sludge; test methods using water organisms (group L); determination of chlorophyll a in surface water (L 16)— 8 стр.
