CLP Semi-Volatile Base/Neutral Surrogate Std Back Catalog number: 21016 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 92957 Aroclor 1254 Price on request 673126 Basic violet 3, 250mg Price on request 674623 Fenitrothion-oxon, 100 µg/ml, Ethyl acetate, 1ml Price on request