The reaction of test objects (water flea, hlorell, garden cress) on theaction of biogenous nanoparticles of ferrihydrate

The research objective was studying of reaction of standard test organisms to biogenous nanoparticles of ferrihydrate. The research of properties of biogenous nanoparticles of ferrihydrate concerning a number of live organisms was conducted with application of standard test objects (invertebrates, monocelled alga, two-submultiple plant) and standard techniques. As test re-actions to the effect of biogenous nanoparticles of ferri-hydrate the survival of water fleas, the growth of culture of hlorella, germination of seeds of a garden cress were estimated. Initial concentration of suspension of bioge-nous nanoparticles of ferrihydrate made 0.996 g/dm ³. The diameter of nanoparticles was equal to 2-10 na-nometers. For carrying out toxicological analysis with use as test object of the water flea (Daphnia magna Straus) measurement technique of quantity of Daphnia magna Straus was applied to determination of toxicity drinking, fresh natural and sewage, water extracts from the soil, soils, sewage, production wastes and consump-tion by method of direct account...