Quantitative gas chromatographic determination of nitrilotriacetic acid in the presence of other carboxylic acids.
Nitrilotriacetic acid was separated (as its tri-n-butyl ester) from twenty-four other fatty, phenolic and polycarboxylic acids, using prepacked commercial OV-210 columns. Quantitative analysis down to 0.010 mg nitrilotriacetic acid per liter was demonstrated. The molar responses and retention times of the acids, relative to phthalic acid, were determined.
D000085:Acetates / Q000032:analysis*; D002264:Carboxylic Acids / Q000032:analysis; D002849:Chromatography, Gas / Q000379:methods; D005227:Fatty Acids / Q000032:analysis; D009571:Nitrilotriacetic Acid / Q000032:analysis*
D000085:Acetates; D002264:Carboxylic Acids; D005227:Fatty Acids; D009571:Nitrilotriacetic Acid