trans-Aconitic acid Back Catalog number: 73343 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 23015 CLP Semi-Volatile Acid Surrogate Standard Price on request DF-IS-A Mass-Labelled PCDD Internal Standard Solution, 1.2ml x 1ug/ml, nonane Price on request 59366 UV 254 Absorbance Price on request