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

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STABILITY CONSTANTS OF SOME BIVALENT FIRST ROW TRANSITION METAL CHELATES OF DICARBOXYLIC ACIDS CONTAINING ETHER LINKAGESMIYAZAKI M; TOEI K.1975; TALANTA; G.B.; DA. 1975; VOL. 22; NO 10-11; PP. 929; ABS. ALLEM. FR.; BIBL. 7 REF.Article

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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

A TURBIDIMETRIC METHOD FOR COLLOID TITRATIONS.TOEI K; SAWADA M.1977; ANAL. CHIM. ACTA; PAYS-BAS; DA. 1977; VOL. 89; NO 2; PP. 383-389; BIBL. 4 REF.Article

ETUDES SUR LE TITRAGE PAR COLLOIDES. I. EXAMEN SUR LES REACTIFS POUR TITRAGE PAR COLLOIDESTOEI K; KAWADA K.1972; JAP. ANALYST; JAP.; DA. 1972; VOL. 21; NO 11; PP. 1510-1515; ABS. ANGL.; BIBL. 2 REF.Serial Issue

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

EXTRACTION-SPECTROPHOTOMETRIC DETERMINATION OF HIGHER CARBOXYLIC ACIDS WITH BIS (2-(5-CHLORO-2-PYRIDYLAZO)-5-DIETHYLAMINOPHENOL) COBALT(III) CHLORIDESENO K; MIYATA H; TOEI K et al.1982; CHEM. LETT.; ISSN 0366-7022; JPN; DA. 1982; NO 5; PP. 645-646; BIBL. 5 REF.Article

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EXTRACTION-SPECTROPHOTOMETRIC DETERMINATION OF NICKEL WITH 4-CHLORO-2-NITROSO-1-NAPHTHOL AND CRYSTAL VIOLETTOEI K; MOTOMIZU S; YOKOSU H et al.1979; ANAL. CHIM. ACTA; ISSN 0003-2670; NLD; DA. 1979; VOL. 110; NO 2; PP. 329-334; BIBL. 11 REF.Article

POLYSOAP AS A NEW TITRANT FOR THE DETERMINATION OF SODIUM DODECYLBENZENESULFONATE BY COLLOID TITRATIONONO T; MIYATA H; TOEI K et al.1979; BULL. CHEM. SOC. JAP.; JPN; DA. 1979; VOL. 52; NO 2; PP. 425-427; BIBL. 4 REF.Article

SOLVENT EXTRACTION-SPECTROPHOTOMETRIC DETERMINATION OF BORON WITH 2,4-DINITRO-1,8-NAPHTHALENEDIOL AND BRILLIANT GREENKUWADA K; MOTOMIZU S; TOEI K et al.1978; ANAL. CHEM.; USA; DA. 1978; VOL. 50; NO 13; PP. 1788-1792; BIBL. 26 REF.Article

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THE GAZ-CHROMATOGRAPHIC DETERMINATION OF SELENIUM IN STEEL WITH 4-CHLORO-1,2-DIAMINOBENZENEAKIBA M; SHIMOISHI Y; TOEI K et al.1975; ANALYST; G.B.; DA. 1975; VOL. 100; NO 1194; PP. 648-654; BIBL. 10 REF.Article

SPECTROPHOTOMETRIC DETERMINATION OF IRON IN SEA-WATER BY SOLVENT EXTRACTION AS THE TERNARY COMPLEX IRON (II)-2-NITROSO-4-CHLOROPHENOL-RHODAMINE BKORENAGA T; MOTOMIZU S; TOEI K et al.1974; TALANTA; G.B.; DA. 1974; VOL. 21; NO 6; PP. 645-649; ABS. ALLEM. FR.; BIBL. 16 REF.Article

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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

RAPID DETERMINATION OF TRACE AMOUNTS OF SELENIUM IN BIOLOGICAL SAMPLES BY CHROMATOGRAPHY WITH ELECTRON-CAPTURE DETECTIONUCHIDA H; SHIMOISHI Y; TOEI K et al.1981; ANALYST (LOND.); ISSN 0003-2654; GBR; DA. 1981; VOL. 106; NO 1264; PP. 757-762; BIBL. 15 REF.Article

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