586 ERA PT Trace Metals, WP One 15 mL screw-cap vial yields up to 1 liter after dilution. Use with AA, ICP-OES or ICP-MS and selected colorimetric methods. Aluminum 200-4000 µg/L Antimony 90-900 µg/L Arsenic 90-900 µg/L Barium 100-2500 µg/L Beryllium 50-500 µg/L Boron 800-2000 µg/L Cadmium 100-1000 µg/L Chromium 100-1000 µg/L Cobalt 100-1000 µg/L Copper 100-1000 µg/L Iron 200-4000 µg/L Lead 100-1500 µg/L Manganese 200-2000 µg/L Molybdenum 60-600 µg/L Nickel 200-2000 µg/L Selenium 100-1000 µg/L Silver 100-1000 µg/L Strontium 50-500 µg/L Thallium 80-800 µg/L Vanadium 50-2000 µg/L Zinc 300-2000 µg/L WP 316: opens –May 17, closes -July 1