Arsenic (As) Back Catalog number: 50439 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10247.48-100MG Octyl triazone, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 88122-99-0 Price on request 673563 Endosulfan-sulfate, 10.0 µg/ml, Ethyl acetate, 1 Price on request 52251 Method 200.8 Single Element Kit Price on request