ASTM D1319 Calibration Standard Back Catalog number: 51215 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 683840 Perthane, 100 µg/ml, Acetonitrile, 1ml Price on request 677076 Clofentezine, 100 µg/ml, Methanol, 5ml Price on request 72277 Tolmetin Price on request