CLP Semi-Volatile Base/Neutral Surrogate Std Back Catalog number: 20006 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674678 D4-Acetylsalicylic acid, 50mg Price on request 673189 Aldicarb, 100 µg/ml, Acetonitrile, 5ml Price on request DF-IS-C200 Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane Price on request