“…There was no clear relationship between hexavalent chromate content and total chromium content in the cement. This was also the finding of an earlier study on UK cement (12).…”
The chromate content of 10 different Asian cements is studied. The hexavalent chromate and total chromium concentrations in these cements were analyzed using colorimetric spectrophometry and flame atomic absorption spectrophotometry, respectively. The pH of an aliquot of 20% w/v of cement in water ranged from 11.8 to 12.1. Total chromium content of the 10 brands of cement ranged from 15.9 ug/g to 30.0 ug/g; the hexavalent chromate content ranged from 3.6 ug/g to 25.1 ug/g. These findings were comparable to those reported in Europe and Scandinavia. There was no direct correlation between total chromium and hexavalent chromate content in cement.
“…There was no clear relationship between hexavalent chromate content and total chromium content in the cement. This was also the finding of an earlier study on UK cement (12).…”
The chromate content of 10 different Asian cements is studied. The hexavalent chromate and total chromium concentrations in these cements were analyzed using colorimetric spectrophometry and flame atomic absorption spectrophotometry, respectively. The pH of an aliquot of 20% w/v of cement in water ranged from 11.8 to 12.1. Total chromium content of the 10 brands of cement ranged from 15.9 ug/g to 30.0 ug/g; the hexavalent chromate content ranged from 3.6 ug/g to 25.1 ug/g. These findings were comparable to those reported in Europe and Scandinavia. There was no direct correlation between total chromium and hexavalent chromate content in cement.
Verröffentlicht in der Reihe
Gesundheitsschädliche Arbeitsstoffe
, 25. Lieferung, Ausgabe 1997
Der Artikel enthält folgende Kapitel:
Allergene Wirkung
Erfahrung beim Menschen
Tierexperimentelle Befunde
Bewertung
Published in the series
Occupational Toxicants
, Vol. 15 (2001)
The article contains sections titled:
Products described in the literature as zinc chromate or zinc yellow
Allergenic Effects
Manifesto (sensitization)
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