Spiking Standards Kit Back Catalog number: 53073 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended X9201 Toxaphene Price on request 674767 Flupyrsulfuron-methyl, 10mg Price on request 3914.16-100-DRIED Crotaline,100 µg/mL,dried down,1mL, Price on request