THE NEW METHOD FOR THE DETERMINATION OF COBALT IN SEA WATER BY SOLVENT EXTRACTION WITH 2-NITROSO-5-DIETHYLAMINOPHENOL = NOUVELLE METHODE POUR LE DOSAGE DE CO DANS L'EAU DE MER PAR EXTRACTION PAR SOLVANT, AVECMOTOMIZU S.1973; ANAL. CHIM. ACTA; PAYS-BAS ; 1973, VOL. 64, NUM. 0002, P. 217 A 224Serial Issue

SOLVENT EXTRACTION OF TRACE AMOUNTS OF COBALT FROM PURE REAGENT CHEMICALS AND ITS SPECTROPHOTOMETRIC DETERMINATION WITH 2-NITROSO-5-DIMETHYLAMINOPHENOLMOTOMIZU S.1972; ANALYST; G.B.; DA. 1972; VOL. 97; NO 1161; PP. 986-992; BIBL. 10 REF.Serial Issue

EXTRACTION PAR SOLVANT DU COMPLEXE ANIONIQUE FER(II)-ACIDE NITROSO-2 HYDROXY-1 NAPHTALENESULFONIQUE-4 A L'AIDE D'UN COLORANT AZOIQUE CATIONIQUEMOTOMIZU S; TOEI K.1981; BUNSEKI KAGAKU; ISSN 0525-1931; JPN; DA. 1981; VOL. 30; NO 4; PP. 245-250; BIBL. 19 REF.Article

SPECTROPHOTOMETRIC DETERMINATION OF NICKEL IN IRON AND STEEL WITH 2-NITROSO-1-NAPHTHOL-4-SULFONIC ACID. IMPROVEMENT OF SENSITIVITY BY EXTRACTING EXCESS OF REAGENT.MOTOMIZU S; TOEI K.1978; ANAL. CHIM. ACTA; PAYS-BAS; DA. 1978; VOL. 97; NO 2; PP. 335-342; BIBL. 5 REF.Article

A NEW METHOD OF REMOVING EXCESS OF REAGENT FROM ORGANIC PHASES IN THE SOLVENT EXTRACTION OF METAL COMPLEX ANIONS WITH QUATERNARY AMMONIUM SALTS. SPECTROPHOTOMETRIC DETERMINATION OF MICRO AMOUNTS OF COBALT WITH 2-NITROSO-1-NAPHTHOL-4-SULFONIC ACID.MOTOMIZU S; TOEI K.1977; ANAL. CHIM. ACTA; PAYS-BAS; DA. 1977; VOL. 89; NO 1; PP. 167-175; BIBL. 9 REF.Article

EXTRACTION BEHAVIOR OF ION-PAIRS OF AZODYE CATIONS AND THEIR ANALYTICAL APPLICATIONSMOTOMIZU S; TOEI K.1980; ANAL. CHIM. ACTA; ISSN 0003-2670; NLD; DA. 1980; VOL. 120; NO 1; PP. 267-277; BIBL. 7 REF.Article

Etude de méthodes utiles pour la séparation et l'analyse basées sur des réactions d'association d'ionsMOTOMIZU, S.Bunseki Kagaku. 1989, Vol 38, Num 4, pp 147-170, issn 0525-1931Article

Pouvoir d'extraction des cations et anions dans l'extraction des ions associés et calcul de la constante d'extraction d'après la structure chimiqueMOTOMIZU, S.Bunseki Kagaku. 1984, Vol 33, Num 1, pp 31-36, issn 0525-1931Article

SELECTION OF THE COUNTER-CATION IN THE SOLVENT EXTRACTION OF ANIONIC CHELATES: SPECTROPHOTOMETRIC DETERMINATION OF TRACE AMOUNTS OF COBALT WITH 2-NITROSO-1-NAPHTOL-4-SULPHONIC ACID AND TETRABUTYLAMMONIUM ION = SELECTION DU CONTRE-ION DANS L'EXTRACTION PAR SOLVANT DES CHELATES ANIONIQUES: DOSAGE SPECTROPHOTOMETRIQUE DE TRACES DE COBALT AVEC L'ACIDE 2-NITROSO-1-NAPHTOL-4-SULFONIQUE ET L'ION TETRABUTYLAMMONIUMMOTOMIZU S; TOEI K.1982; TALANTA (OXF.); ISSN 0039-9140; GBR; DA. 1982; VOL. 29; NO 2; PP. 89-94; BIBL. 6 REF.Article

DOSAGE DE CUIVRE PAR EXTRACTION PAR SOLVANT ET SPECTROPHOTOMETRIE, AVEC UTILISATION D'ACIDE NITROSO-2 NAPHTOL-1 SULFONIQUE-4 ET D'UN SEL D'AMMONIUM QUATERNAIREMOTOMIZU S; TOEI K.1978; BUNSEKI KAGAKU; JAP.; DA. 1978; VOL. 27; NO 4; PP. 213-218; ABS. ANGL.; BIBL. 8 REF.Article

DETERMINATION OF TRACE AMOUNTS OF PHOSPHATE IN RIVER WATER BY FLOW-INJECTION ANALYSISMOTOMIZU S; WAKIMOTO T; TOEI K et al.1983; TALANTA (OXFORD); ISSN 0039-9140; GBR; DA. 1983; VOL. 30; NO 5; PP. 333-338; BIBL. 23 REF.Article

DISTRIBUTION LIQUIDE LIQUIDE DES ASSOCIATIONS IONIQUES DE COLORANTS CATIONIQUES ET D'ALKYSULFONATES EN TANT QUE IONS ANTAGONISTESMOTOMIZU S; FUJIWARA A; TOEI K et al.1983; BUNSEKI KAGAKU; ISSN 0525-1931; JPN; DA. 1983; VOL. 32; NO 2; PP. 91-99; ABS. ENG; BIBL. 23 REF.Article

SPECTROPHOTOMETRIC DETERMINATION OF IODIDE ION USING PALLADIUM AND 2-NITROSO-5-DIETHYLAMINOPHENOLHAMADA S; MOTOMIZU S; TOEI K et al.1979; ANALYST (LOND.); ISSN 0003-2654; GBR; DA. 1979; VOL. 104; NO 1242; PP. 880-882; BIBL. 3 REF.Article

EXTRACTION PAR SOLVANT ET DOSAGE SPECTROPHOTOMETRIQUE DU NICKEL AVEC LA DIOXIME DE LA CHLORO-6 NAPHTOQUINONE-1,2TOEI K; MOTOMIZU S; HASEGAWA T et al.1978; BUNSEKI KAGAKU; JAP.; DA. 1978; VOL. 27; NO 1; PP. 31-36; ABS. ANGL.; BIBL. 9 REF.Article

NITROSOPHENOL AND NITROSONAPHTHOL DERIVATIVES AS REAGENTS FOR THE SPECTROPHOTOMETRIC DETERMINATION OF IRON AND DETERMINATION OF MICRO-AMOUNTS IN WATERS WITH 2-NITROSO-5-DIMETHYLAMINOPHENOLTOEI K; MOTOMIZU S; KORENAGA T et al.1975; ANALYST; G.B.; DA. 1975; VOL. 100; NO 1194; PP. 629-636; BIBL. 38 REF.Article

SPECTROPHOTOMETRIC DETERMINATION OF PHOSPHORUS AND ARSENIC IN STEEL BY SOLVENT EXTRACTION OF THEIR HETEROPOLYACIDS WITH ETHYL VIOLET = DOSAGE SPECTROPHOTOMETRIQUE DE PHOSPHORE ET D'ARSENIC DANS L'ACIER PAR EXTRACTION PAR SOLVANT DE LEURS HETEROPOLYACIDES AVEC LE VIOLET D'ETHYLEMOTOMIZU S; WAKIMOTO T; TOEI K et al.1983; ANALYST (LONDON); ISSN 0003-2654; GBR; DA. 1983; VOL. 108; NO 1289; PP. 944-951; BIBL. 9 REF.Article

SPECTROPHOTOMETRIC DETERMINATION OF ALUMINUM IN RIVER WATER WITH BROMOPYROGALLOL RED AND N-TETRADECYLTRIMETHYLAMMONIUM BROMIDE BY FLOW INJECTION ANALYSISWYGANOWSKI C; MOTOMIZU S; TOEI K et al.1982; ANAL. CHIM. ACTA; ISSN 0003-2670; NLD; DA. 1982; VOL. 140; NO 1; PP. 313-317; BIBL. 9 REF.Article

SPECTROPHOTOMETRIC DETERMINATION OF ALUMINIUM WITH BROMOPYROGALLOL RED AND A QUATERNARY AMMONIUM SALT: DETERMINATION OF ALUMINIUM IN RIVER WATERWYGANOWSKI C; MOTOMIZU S; TOEI K et al.1983; MIKROCHIM. ACTA; ISSN 0026-3672; USA; DA. 1983; VOL. 1; NO 1-2; PP. 55-64; ABS. GER; BIBL. 11 REF.Article

EXTRACTION-SPECTROPHOTOMETRIC DETERMINATION OF ALUMINIUM IN RIVER WATER WITH PYROCATECHOL VIOLET AND A QUATERNARY AMMONIUM SALTKORENAGA T; MOTOMIZU S; TOEI K et al.1980; TALANTA (OXF.); ISSN 0039-9140; GBR; DA. 1980; VOL. 27; NO 1; PP. 33-38; BIBL. 15 REF.Article

EXTRACTION-SPECTROPHOTOMETRIC DETERMINATION OF TRACE AMOUNTS OF IRON IN WATERS WITH PYROGALLOL RED AND ZEPHIRAMINEKORENAGA T; MOTOMIZU S; TOEI K et al.1979; ANAL. CHIM. ACTA; NLD; DA. 1979; VOL. 104; NO 2; PP. 369-377; BIBL. 13 REF.Article

EXTRACTION-SPECTROPHOTOMETRIC DETERMINATION OF PALLADIUM(II) WITH 2-NITROSO-5-DIETHYLAMINOPHENOLTOEI K; MOTOMIZU S; HAMADA S et al.1978; ANAL. CHIM. ACTA; NLD; DA. 1978; VOL. 101; NO 1; PP. 169-175; BIBL. 9 REF.Article

DOSAGE SPECTROPHOTOMETRIQUE D'ARSENIC (V) PAR EXTRACTION PAR SOLVANT AVEC UN DERIVE DU PYROCATECHOL ET UN COLORANT CATIONIQUEKUWADA K; MOTOMIZU S; TOEI K et al.1977; BUNSEKI KAGAKU; JAP.; DA. 1977; VOL. 26; NO 9; PP. 609-614; ABS. ANGL.; BIBL. 12 REF.Article

SPECTROPHOMETRIC DETERMINATION OF PHOSPHATE IN RIVER WITH WATERS MOLYBDATE AND MALACHITE GREENMOTOMIZU S; WAKIMOTO T; TOEI K et al.1983; ANALYST (LONDON); ISSN 0003-2654; GBR; DA. 1983; VOL. 108; NO 1284; PP. 361-367; BIBL. 13 REF.Article

SOLVENT EXTRACTION OF MOLYBDOPHOSPHATE WITH CATIONIC DYES AND SPECTROPHOTOMETRIC DETERMINATION OF MICRO AMOUNTS OF PHOSPHATE IN WATERSMOTOMIZU S; WAKIMOTO T; TOEI K et al.1982; ANAL. CHIM. ACTA; ISSN 0003-2670; NLD; DA. 1982; VOL. 138; NO 1; PP. 329-338; BIBL. 19 REF.Article

EXTRACTION PAR SOLVANT D'HETEROPOLYACIDE AVEC LE VIOLET D'ETHYLE ET DOSAGE SPECTROPHOTOMETRIQUE DE PHOSPHORE, ARSENIC (V) ET ARSENIC (III)MOTOMIZU S; WAKIMOTO T; TOEI K et al.1982; BUNSEKI KAGAKU; ISSN 0525-1931; JPN; DA. 1982; VOL. 31; NO 12; PP. 717-721; ABS. ENG; BIBL. 9 REF.Article