you are: Definition of quality and naturalnosti honey

Definition of the maintenance of reducing substances (sugar before inversion). 2 g honey dissolve in a flask with the distilled water (capacity of a flask of 100 ml), 10 ml - also 100 ml and lead up to a label. The working solution of honey turns out.

Then in a flask in capacity of 250 ml pour in 20 ml of a solution of red blood salt, 5 ml 2,5 n. Caustic alkali and 10 ml of a working solution of honey. A solution lead up to boiling and boil 1 mines then quickly cool and with the help fotokolorimetra define optical density. The most exact results turn out at values of optical density in the range of 0,15-0,8 mm. Therefore if receive other values of optical density, definition repeat, accordingly having changed quantity of the examinee of a solution added to red blood salt.