Y. Toita

Separation and spectrophotometric determination of cerium and manganese by TTA extraction

Hiroshi Onisfii, Y. Toita, 1972 .

SPECTROPHOTOMETRIC DETERMINATION OF CERIUM WITH THENOYLTRIFLUOROACETONE AFTER CUPFERRON-CHLOROFORM EXTRACTION

H. Onishi, Y. Toita, 1964 .

SEPARATION OF URANIUM FROM THORIUM BY TRI-ISO-OCTYLAMINE EXTRACTION AND PHOTOMETRIC DETERMINATION OF URANIUM WITH ARSENAZO III

H. Onishi, Y. Toita, 1965 .

SPECTROPHOTOMETRIC DETERMINATION OF URANIUM(VI) WITH ARSENAZO III AFTER SEPARATION FROM THORIUM BY EXTRACTION.

H. Onishi, Y. Toita, 1969 .