| Automatic pH Control System
for Co-precipitation |
B. N. SAMADDAR, P. G. PAUL AND HEMANTA BHATTACHARYYA*
Pages : 151-152
DOI : 10.1080/0371750X.1979.10840907 |
| Abstract |
| The technique of co-precipitation has been
attempted in various cases of production of mixtures
of oxides having accurately controlled
composition covering a wide range which have
specific electrical and magnetic applications. The
major constraint in producing a co-precipitate is
the control of pH and occasionally the temperature,
within a narrow range to ensure a desirable
and uniform composition. This technique has
been commercially utilized for producing uniform
powders capable of being pressed and fired to
give accurate sizes for such materials. The powders
have been variously produced by spray
drying the co-precipitate which ensures uniform
granular sizes. |
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