links Potassium Dichromate at The Periodic Table of Videos (University of Nottingham) International Chemical Safety Card 1371 National Pollutant Inventory – Chromium VI and compounds fact sheet NIOSH Pocket Guide to Chemical Hazards IARC Monograph "Chromium and Chromium compounds" Gold refining article listing color change when testing metals with Schwerter's Solution Potassium compounds Dichromates Photographic chemicals IARC Group 1 carcinogens Light-sensitive chemicals Oxidizing agents