Spiking Standard 3 Back Catalog number: 52072 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677863 Cyprosulfamide, 10.0 µg/ml, Acetonitrile, 10ml Price on request 673603 Fluroxypyr-1-methylheptylester, 10 µg/ml, Ethyl a Price on request 677924 Pyrifenox, 100 µg/ml, Ethyl acetate, 1ml Price on request