I need to analyse vitamin d (D3, Cholecalciferol) supplements and not sure how to extract the D.
Going to be for HPLC analysis.
Grind them and do a solvent extraction
>>8461438
yeah, I've been trying to figure out what the best solvent(s) to use is.
>>8461317
I could provide you the D if you like
>>8461654
Prop-1-ol
>>8461669
That would be amazing. Howcan I contact you?