How do I prepare a solution of human c-peptide for research in a concentration of 10 ng/L what solvent to use with the powder of MERCK?

I have found two manufacturers MERCK https://www.sigmaaldrich.com/catalog/product/sigma/c4999?lang=en®ion=EG and Phoenix https://phoenixpeptide.com/products/view/Peptides/035-01 both...

10 August 2020 5,497 1 View