| Glass Electrodes for the Direct Measurement of
Sodium Ion Activity : Part II |
s. K. GUHA, A. P. BHATTACHARYYA AND SUDHIR SEN
Pages : 129-136
DOI : 10.1080/0371750X.1969.10855694 |
| Abstract |
| Five Lithia Alumina Silicate glasses having different proportions of additives were
melted and studied for their suitability as sodium electrodes. A particular composition
was found to be the best so far as the !odium ion specificity was concerned. The effect of
interfering ions like K+, Ca2+, Mg2+, A/3+, Fe3+ and SOl- was studied and it was
found that only Al3+ and Fe3+ had {nterference which also could be completely suppressed
by using triethanol-amine. The results of Na20 determinations made with
sodium electrode were compared with those determined by flame spectrophotometry
and they were analy!ed statistically. |
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