Amino acid analysis: aqueous dimethyl sulfoxide as solvent for the ninhydrin reaction.
D000085:Acetates; D000596:Amino Acids / Q000032:analysis*; D001322:Autoanalysis; D004121:Dimethyl Sulfoxide; D000431:Ethanol; D007202:Indicators and Reagents; D008094:Lithium; D008722:Methods; D012997:Solvents
D000085:Acetates; D000596:Amino Acids; D007202:Indicators and Reagents; D012997:Solvents; D000431:Ethanol; D008094:Lithium; D004121:Dimethyl Sulfoxide