... manufacturing, steam and air conditioning supply services, cement production ac Air emissions from incineration of refuse and sewage ... Cr(IV) and Cr(V) are thought to play a role in the mechanism of toxicity and have been associated with production of reactive ... The pKaamp; value for chromic acid, H2Cr04, is -6.5, so that HC1O4~ dominates in solutions below pH 6.5, and Cr042~ dominates above (Fig . ... Eh-pH predominance diagram for aqueous chromium at 25 AdC (Crlol = 1 uM).
|Title||:||Reviews in Mineralogy and Geochemistry|
|Author||:||Nita Sahai, Martin A. A. Schoonen|
|Publisher||:||Mineralogical Society of Amer - 2006|