barium chromate


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barium chromate

[′bar·ē·əm ′krō‚māt]
(inorganic chemistry)
BaCrO4 A toxic salt that forms yellow, rhombic crystals, insoluble in water; used as a pigment in overglazes.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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Observed increases in neutrophils and no change in macrophages 24 hr after zinc chromate exposure are also consistent with findings in rats exposed to potassium chromate and barium chromate (Cohen et al.
One study investigating both soluble and particulate Cr(VI) compounds found that both potassium chromate (soluble) and barium chromate (particulate) induced mutations in transgenic V79 cells containing the bacterial gpt reporter gene.
These observations may reflect real differences between the two types of chromate or alternatively may be related to exposure time as soluble chromate treatment was only for 2 h while the barium chromate treatment was for 24 h (32).
The combustion tube contains barium chromate to ensure complete conversion of CO to [CO.sub.2] and reduced silver, which removes interfering halides.