[The working out and controlling methods of the quality of the injection preparation Tetramineral]
2008
Kuchinskij, M.P., National Academy of Sciences. Scientific and Practical Center of Animal Breding (Belarus). The S.N. Vyshelesskij Inst. of Experimental Veterinary Medicine
The main stages of the working out and cotrolling methods of the quality of the injection preparation Tetramineral, which contains in its composition iron, iodine, zinc and selenium, are presented. The method of atomic-and-absorption definitions in the preparation of a mass fraction of iron, zinc and selenium is accessible and allows to estimate objectively the content of these elements. For the quantitative analysis of iodine and iron in Tetramineral the method of the titrimetric analysis with use as a titrated solution - a Sodium thiosulfatum solution in the presence of a starch solution is recommended
显示更多 [+] 显示较少 [-]