CLP Semi-Volatile Base/Neutral Surrogate Std Back Catalog number: 21016 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678410 Fenobucarb, 100 µg/ml, Acetonitrile, 1ml Price on request 676340 Tecnazene, 10.0 µg/ml, Cyclohexane, 10ml Price on request 73358 Mesotrione Price on request