Результаты (
английский) 1:
[копия]Скопировано!
Solution ningidrina0.25 g ningidrina dissolve in water and bring the volume of the resulting solution with water to 100 ml.Procedure.Put on a plate for 20 µl of each of the solutions.After passing the front plate length ¾ of its solvent extract, allow to dry out the air and cause spraying solution ningidrina. Heat the plate at a temperature of 105 OS for 2 minutes in the oven.
переводится, пожалуйста, подождите..
