Perchlorate (ClO4-), 100µg/mL in Water, 100ml Back Catalog number: 59344 Availability: In the manufacturer's stock Price on request - + Recommended 60013 Minnesota Dept of Health List Internal Standard Price on request 10639.12-50-T Octabromodibenzofuran Price on request 50668 Methylarsonic acid (As) Price on request