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- [9] POTENTIOMETRIC DETERMINATION OF SULFIDE IN WHITE AND GREEN LIQUORS USING A LEAD ION-SELECTIVE ELECTRODE PAPERI JA PUU-PAPER AND TIMBER, 1979, 61 (03): : 153 - &
- [10] MICRO-DETERMINATION OF NITRATE NITROGEN IN LAKE WATERS BY POTENTIOMETRY WITH AN ION-SELECTIVE ELECTRODE FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE, 1979, 297 (05): : 418 - 418