Verification II Standard 1 Back Catalog number: 52019 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70061 Carbon tetrachloride, 1000µg/ml in MeOH, 1ml Price on request 91996 n-Butanol & Isobutanol Price on request 679463 Endrin, 100 µg/ml, Methanol, 1ml Price on request