How can I make 10,000 ppm Indigo dye stock solution with DMSO?

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Jean Rene Grezes

Please consult google for an answer and not an answerer.

Note : 1 ppm = mg/l and DMSO (must be pure) has a density D (20/4) 1.100.

On other part , what a kind of indigo are you using ?

Here a data sheet (from google) :

https://www.selleckchem.com/datasheet/indigo-DataSheet.html

What is the solvent for indigo dye? - ResearchGate

https://www.researchgate.net/.../What_is_the_solvent_for_indigo...

JRG

Chen Jingwen

You can increase the amount of solvent and solute to reduce the error.

For example, you may add 10*100 mg(1g) indigo to 1*100 ml DMSO to get the solution.