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- [4] PHOTOMETRIC TITRATION OF PHENOLS IN PRESENCE OF ETHYLENE OXIDE ADDUCTS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE FRESENIUS, 1968, 233 (04): : 269 - &
- [5] PHOTOMETRIC TITRATION OF CADMIUM IN PRESENCE OF SEVERAL METAL IONS JAPAN ANALYST, 1971, 20 (06): : 701 - &
- [6] The electrometric titration of nickel and cobalt with potassium cyanide ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE, 1924, 134 (04): : 327 - 343
- [10] On the presence of nickel and cobalt in animals COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES, 1925, 180 : 1380 - 1383