COD Calibration Standard Back Catalog number: 50255 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682175 Isofetamid, 100 µg/ml, Acetone, 1ml Price on request D492901 Diquat-d8 Dibromide (dipyridine-d8), 10mg Price on request 675834 Terbumeton, 100 µg/ml, Toluene, 5ml Price on request