Sodium arsenate dibasic heptahydrate (As) Back Catalog number: 50647 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 54342 Alkalinity as Calcium Carbonate Price on request 50147 ICP Mix #1 Price on request 678476 Etoxazole, 10.0 µg/ml, Acetonitrile, 10ml Price on request