when congo red was mixed with milk it produced pink color solution.
changes to violet in basic solution
since the unboiled yeast is alive it will not allow the congo red to be absorbed and the boiled yeast is dead so it doesnt have any way to fight of the solution(congo red)
orange and purple will make red that can replace the congo red dye..
For the capsule stain Congo red or a Nigrosin solution can be used. Next, Maneval's stain is used.
it is very easy to prepare working solution from a stock solution we use the formula for this purpose which is: C1V1 = C2V2 C1 is the concentration of the stock solution V1 required volume from the stock solution C2 concentration of the working solution V2 volume of the working solution
Congo Red is a sodium salt that has the chemical formula C32H22N6Na2O6S2. At one time, Congo Red was used as a dye for clothing but has since been abandoned due to its toxicity.
Yes.
red country
disolve 0.5g congo red in 90ml distilled water and 10ml achohol absolute
I own one actually. The difference between Congo’s and Timneh’s are that Congo’s have a red tail and are slightly bigger. I own a Congo.
10 mg/ml stock solution