Sahharoosisisaldus leitakse lahuse optilise pöörangu muutusest. Kondenspiimaproov lahjendatakse veega, segule lisatakse ammoniaagilahust, neutraliseeritakse, selitatakse ja seejärel filtreeritakse. Filtraadi optiline pöörang mõõdetakse enne ja pärast sahharoosi inversiooni ning saadud andmeid kasutades arvutatakse proovi sahharoosisisaldus.
POLARIMETRIC METHOD ... The method comprises two determinations. In the first, the sample is treated with dilute hydrochloric acid. After clarification and filtration the optical rotation of the solution is measured by polarimetry.
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