Sodium arsenate dibasic heptahydrate (As) Back Catalog number: 50647 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 94418 Toxaphene with TCMX & DCB Price on request 97742 EPA Method 8270 PAH Standard Price on request 681109 Metazachlor Metabolite 479M16, 100 µg/ml, Acetoni Price on request