Calibration Standard Set Back Catalog number: 52042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673214 Butocarboxim-sulfoxide, 10.0 µg/ml, Acetonitrile, Price on request 677992 Tolclofos-methyl, 100 µg/ml, Toluene, 1ml Price on request 59027 Acetic acid (C2H4O2) Price on request