Sodium arsenate dibasic heptahydrate (As) Back Catalog number: 50647 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 98554 Formaldehyde (0.5 ppm) Price on request 1803.36-5MG p-Sexiphenyl, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 4499-83-6 Price on request 675000 PSA-C18-GCB Mix 14 Price on request