Spiking Standard 5 Back Catalog number: 53071 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79762 Propiconazole, “Tilt”, 1000µg/ml in Acetonitrile, 1ml Price on request 679294 Isopropylparaben, 25mg Price on request 59363 Inorganic Blend #1 Price on request