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Subject: определения Tween 80 pharma. Подскажите, пожалуйста, перевод:reaction of the polyethoxylated compounds in Tween 80 and ammonium cobalt thiocyanate reagent forms a blue coloured complex The reaction of the polyethoxylated compounds in Tween 80 and ammonium cobalt thiocyanate reagent forms a blue coloured complex which is soluble in dichloromethane. Optical density of the blue dichloromethane solution is measured in a spectrophotometer at 620nm. This optical density value is proportional to the concentration of Tween 80. Метод - колориметрия. Спасибо огромное |
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