ION-EXCHANGER-SOLVENT INTERACTIONS: PROPERTIES AND METHODOLOGY.PIETRZYK DJ.1976; C.R.C. CRIT. REV. ANAL. CHEM.; U.S.A.; DA. 1976; VOL. 6; NO 2; PP. 131-170; BIBL. 7 P.Article

FORMAL PHOTOMETRIC TITRATIONS OF WEAK BASES IN ION EXCHANGER-AQUEOUS SOLUTION MEDIUMCANTWELL FF; PIETRZYK DJ.1974; ANAL. CHEM.; U.S.A.; DA. 1974; VOL. 46; NO 11; PP. 1450-1456; BIBL. 10 REF.Article

LIQUID CHROMATOGRAPHY ON A POROUS POLYSTYRENE-DIVINYLBENZENE SUPPORT. SEPARATION OF NITRO- AND CHLOROPHENOLSGRIESER MD; PIETRZYK DJ.1973; ANAL. CHEM.; U.S.A.; DA. 1973; VOL. 45; NO 8; PP. 1348-1353; BIBL. 35 REF.Serial Issue

PREPARATIVE LIQUID CHROMATOGRAPHY OF 1:1 ADDUCTS DERIVED FROM THE REACTION OF MALONDIALDEHYDE WITH AMINO ACIDSPIETRZYK DJ; STODOLA J.1981; ANAL. BIOCHEM.; ISSN 0003-2697; USA; DA. 1981; VOL. 117; NO 2; PP. 245-249; BIBL. 13 REF.Article

ION-INTERACTION IN HIGH PERFORMANCE LIQUID CHROMATOGRAPHY OF BENZENESULFONIC ACIDS ON AMBERLITE XAD-2ROTSCH TD; PIETRZYK DJ.1980; ANAL. CHEM. (WASH.); ISSN 0003-2700; USA; DA. 1980; VOL. 52; NO 8; PP. 1323-1327; BIBL. 20 REF.Article

COMPARISON OF POROUS COPOLYMERS AND RELATED ADSORBENTS FOR THE STRIPPING OF LOW MOLECULAR WEIGHT COMPOUNDS FROM A FLOWING AIR STREAMSYDOR R; PIETRZYK DJ.1978; ANAL. CHEM.; USA; DA. 1978; VOL. 50; NO 13; PP. 1842-1847; BIBL. 22 REF.Article

ION-INTERACTION HIGH PERFORMANCE LIQUID CHROMATOGRAPHY OF WEAK MONO- AND DIPROTIC ORGANIC ACIDS AND AMPHOLYTES ON AMBERLITE XAD-2ROTSCH TD; PIETRZYK DJ.1981; J. CHROMATOGR. SCI.; ISSN 0021-9665; USA; DA. 1981; VOL. 19; NO 2; PP. 88-95; BIBL. 19 REF.Article

LIQUID CHROMATOGRAPHIC SEPARATION OF AMINO ACIDS, PEPTIDES, AND DERIVATIVES ON A POROUS POLYSTYRENE-DIVINYLBENZENE COPOLYMERISKANDARANI Z; PIETRZYK DJ.1981; ANAL. CHEM. (WASH.); ISSN 0003-2700; USA; DA. 1981; VOL. 53; NO 3; PP. 489-495; BIBL. 12 REF.Article

HIGH PERFORMANCE LIQUID CHROMATOGRAPHIC STUDY OF THE RETENTION AND SEPARATION OF SHORT CHAIN PEPTIDE DIASTEREOMERS ON A C₈ BONDED PHASE.KROEFF EP; PIETRZYK DJ.1978; ANAL. CHEM.; U.S.A.; DA. 1978; VOL. 50; NO 9; PP. 1353-1358; BIBL. 26 REF.Article

SEPARATION OF ORGANIC ACIDS ON AMBERLITE XAD COPOLYMERS BY REVERSED PHASE HIGH PRESSURE LIQUID CHROMATOGRAPHY.PIETRZYK DJ; CHI HONG CHU.1977; ANAL. CHEM.; U.S.A.; DA. 1977; VOL. 49; NO 6; PP. 860-867; BIBL. 15 REF.Article

AMBERLITE XAD COPOLYMERS IN REVERSED PHASE GRAVITY FLOW AND HIGH PRESSURE LIQUID CHROMATOGRAPHY.PIETRZYK DJ; CHI HUNG CHU.1977; ANAL. CHEM.; U.S.A.; DA. 1977; VOL. 49; NO 6; PP. 757-764; BIBL. 26 REF.Article

AMBERLITE XAD-4 AS A STATIONARY PHASE FOR PREPARATIVE LIQUID CHROMATOGRAPHY IN A RADIALLY COMPRESSED COLUMNPIETRZYK DJ; CAHILL WJ JR.1982; J. LIQ. CHROMATOGR.; ISSN 0148-3919; USA; DA. 1982; VOL. 5; NO 4; PP. 781-795; BIBL. 11 REF.Article

DETERMINATION OF RETINALCHAN SANTOS E; PIETRZYK DJ.1974; ANAL. LETTERS; U.S.A.; DA. 1974; VOL. 7; NO 6; PP. 409-417; BIBL. 7 REF.Article

APPLICATIONS OF THE POROUS AMBERLITE XAD COPOLYMERS AS STATIONARY PHASES IN TLCPIETRZYK DJ; ROTSCH TD; LEUTHAUSER SWC et al.1979; J. CHROMATOGR. SCI.; USA; DA. 1979; VOL. 17; NO 10; PP. 555-561; BIBL. 22 REF.Article

EFFECTS OF SOLUTE IONIZATION ON CHROMATOGRAPHIC RETENTION ON POROUS POLYSTYRENE COPOLYMERS.PIETRZYK DJ; KROEFF EP; ROTSCH TD et al.1978; ANAL. CHEM.; U.S.A.; DA. 1978; VOL. 50; NO 3; PP. 497-502; BIBL. 10 REF.Article

HIGH PERFORMANCE LIQUID CHROMATOGRAPHIC STUDY OF THE RETENTION AND SORPTION OF SULFAS ON POROUS COPOLYMERSROTSCH TD; SYDOR RJ; PIETRZYK DJ et al.1979; J. CHROMATOGR. SCI.; USA; DA. 1979; VOL. 17; NO 6; PP. 339-344; BIBL. 10 REF.Article

IONIC STRENGTH EFFECT ON LIQUID CHROMATOGRAPHIC RETENTION OF BENZENESULFONATES ON NONPOLAR ADSORBENTSROTSCH TD; CAHILL WR JR; PIETRZYK DJ et al.1981; CAN. J. CHEM.; ISSN 0008-4042; CAN; DA. 1981; VOL. 59; NO 14; PP. 2179-2183; ABS. FRE; BIBL. 17 REF.Article

PREPARATION, STABILITY AND ACIDITY OF DIFLUOROMETHYLENE BIS PHOSPHONIC ACIDBURTON DJ; PIETRZYK DJ; ISHIHARA T et al.1982; J. FLUORINE CHEM.; ISSN 0022-1139; CHE; DA. 1982; VOL. 20; NO 5; PP. 617-626; BIBL. 8 REF.Article