| Document ID (ISN) | 25901 |
| CIS number |
76-1663 |
| ISSN - Serial title |
0032-6291 - Pracovní lékařství |
| Year |
1975 |
| Convention or series no. |
|
| Author(s) |
Čakrtova E., Knížek M., Lepší P. |
| Title |
Hazards of phosphine formation during polishing of gallium phosphide plates |
| Original title |
Fosforovodík jako riziko při mechanickém opracování destiček fosfidu galia [in Czech] |
| Bibliographic information |
Sep. 1975, Vol.27, No.7-8, p.250-254. Illus. 14 ref. |
| Abstract |
Mechanical grinding of gallium phosphide in an aqueous emery suspension gave rise to considerable quantities of phosphine in the grinder's breathing zone, reaching about 0.1mg/m3, the mean maximum permissible level in Czechoslovakia. Phosphine results from hydrolysis of gallium phosphide, and its release can be controlled by adding an oxidiser (H2O2) to the aqueous emery suspension. |
| Descriptors (primary) |
phosphine; gallium phosphide; electronics industry; abrasive operations |
| Descriptors (secondary) |
exposure evaluation; health engineering |
| Document type |
- |
| Subject(s) |
Toxic and dangerous substances
|
| Broad subject area(s) |
|
| Browse category(ies) |
Inorganic substances
Electronics industry
Manufacturing of electrical appliances and equipment
|
