| Document ID (ISN) | 19181 |
| CIS number |
73-588 |
| ISSN - Serial title |
0005-9498 - Berufs-Dermatosen |
| Year |
1972 |
| Convention or series no. |
|
| Author(s) |
Fregert S., Gruvberger B. |
| Title |
Chemical properties of cement |
| Bibliographic information |
Oct. 1972, Vol.20, No.5, p.238-248. 53 ref. |
| Abstract |
The chemical properties of cement were studied to determine whether it is possible to minimise the content of sensitising components. Following a description of cement manufacture and composition and an anlysis of the processes involved in cement hydration, the authors present the methods used in the analysis of 52 Portland cement samples from 9 countries, together with the results obtained. Chromium, cobalt and nickel were determined by atomic absorption spectrometry which can be used in an alkaline medium and allows trivalent and hexavalent chromium to be differentiated. No correlation was found between water-soluble hexavalent chromium to be differentiated. No correlation was found between water-soluble hexavalent chromium content and total chromium. It is concluded that certain, as yet unknown, chemical factors determine the proportion of total chromium that becomes water-soluble. |
| Descriptors (primary) |
cement dermatitis; biological effects; cement |
| Descriptors (secondary) |
cement industry; cobalt; nickel; comparative study; sample processing; chromium; chemical analysis; hydration |
| Document type |
- |
| Subject(s) |
Construction industry
|
| Broad subject area(s) |
|
| Browse category(ies) |
Skin diseases
Cement and concrete
|
