Base/Neutral Standard Back Catalog number: 94298 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678073 Phosmet-oxon, 100 µg/ml, Isooctane, 1ml Price on request 673616 beta-HCH, 100 µg/ml, Ethyl acetate, 5ml Price on request LA16010000CY Phenkapton, 10 ng/µl, 1ml Price on request