Arsenic (As) Back Catalog number: 58133 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11442.27-100-IO Tris(4-isopropylphenyl) phosphate-d33,100 µg/mL,isooctane,1mL, Price on request 58182 Lead (Pb) Price on request 98536 PAH Standard Price on request