Sodium arsenate dibasic heptahydrate (As) Back Catalog number: 50647 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673653 Parathion-methyl, 10.0 µg/ml, Ethyl acetate, 10m Price on request 95222A Semi-Volatile Mix Price on request 70018 Aroclor 1242 Price on request