SEPARATION OF CHLORINATED PHENOLS BY REVERSED-PHASE HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY AT AN ALKALINE PHMCLEOD HA; LAVER G.1982; J. CHROMATOGR.; ISSN 0021-9673; NLD; DA. 1982; VOL. 244; NO 2; PP. 385-390; BIBL. 9 REF.Article

PROGRAM FOR COMPUTATION OF RESPONSE DATA FROM FIVE DIFFERENT GAS CHROMATOGRAPH DETECTORS OPERATING SIMULTANEOUSLY.MCLEOD HA; LEWIS D.1978; J. ASS. OFF. ANAL. CHEMISTS; U.S.A.; DA. 1978; VOL. 61; NO 1; PP. 18-25; BIBL. 24 REF.Article

A LOW TEMPERATURE CLEANUP PROCEDURE FOR TRIAZINE HERBICIDES IN ROOT CROPS = METHODE DE PURIFICATION A BASSE TEMPERATURE POUR LES HERBICIDES TRIAZINIQUES DANS LES RACINES CULTIVEESLAWRENCE JF; MCLEOD HA.1974; BULL. ENVIRONMENT. CONTAMIN. TOXICOL.; U.S.A.; DA. 1974; VOL. 12; NO 6; PP. 752-758; BIBL. 10 REF.Article

GAS-LIQUID CHROMATOGRAPHIC ANALYSIS AND CHEMICAL CONFIRMATION OF AZODRIN (MONOCROTOPHOS) RESIDUES IN STRAWBERRIES.LAWRENCE JF; MCLEOD HA.1976; J. ASS. OFF. ANAL. CHEMISTS; U.S.A.; DA. 1976; VOL. 59; NO 3; PP. 637-640; BIBL. 16 REF.Article

EVALUATION OF ELECTROLYTIC CONDUCTIVITY DETECTION FOR GAS-LIQUID CHROMATOGRAPHIC SCREENING OF SOME ORGANONITROGEN HERBICIDES IN FOODS.LAWRENCE JF; MCLEOD HA.1977; J. ASS. OFF. ANAL. CHEMISTS; U.S.A.; DA. 1977; VOL. 60; NO 4; PP. 979-981; BIBL. 3 REF.Article

DETECTION OF CARBOFURAN AND METABOLITES DIRECTLY OR AS THEIR HEPTAFLUOROBUTYRYL DERIVATIVES USING GAS-LIQUID OR HIGH-PRESSURE LIQUID CHROMATOGRAPHY WITH DIFFERENT DETECTORS.LAWRENCE JF; LEWIS DA; MCLEOD HA et al.1977; J. CHROMATOGR.; NETHERL.; DA. 1977; VOL. 138; NO 1; PP. 143-150; BIBL. 10 REF.Article

COMPARISON OF LIQUID AND GAS CHROMATOGRAPHY FOR THE DETERMINATION OF BROMOXYNIL OCTANOATE AND BENZOYLPROP ETHYL IN WHEAT PRODUCTSLAWRENCE JF; PANOPIO LG; MCLEOD HA et al.1980; J. AGRIC. FOOD CHEM.; ISSN 0021-8561; USA; DA. 1980; VOL. 28; NO 5; PP. 1019-1022; BIBL. 10 REF.Article

ANALYSIS OF FOODS FOR METHOMYL USING THIN-LAYER CHROMATOGRAPHY AFTER LOW TEMPERATURE CLEAN-UP = ANALYSE DU METHOMYL DANS LES PRODUITS ALIMENTAIRES PAR CHROMATOGRAPHIE EN COUCHE MINCE APRES PURIFICATION A BASSE TEMPERATUREMCLEOD HA; MENDOZA CE; MCCOLLY KA et al.1975; PESTIC. SCI.; G.B.; DA. 1975; VOL. 6; NO 1; PP. 11-16; BIBL. 8 REF.Article

PESTICIDE RESIDUES AND METABOLITES IN PLACENTASMCLEOD HA; GRANT DL; PHILLIPS WEJ et al.1971; CANAD. J. PUBLIC HEALTH; CANADA; DA. 1971; VOL. 62; NO 4; PP. 341-344; BIBL. 13REF.Serial Issue

ANALYSIS OF DIFENZOQUAT HERBICIDE IN WHEAT PRODUCTS BY REVERSED-PHASE LIQUID CHROMATOGRAPHYLAWRENCE JF; PANOPIO LG; MCLEOD HA et al.1981; J. AGRIC. FOOD CHEM.; ISSN 0021-8561; USA; DA. 1981; VOL. 29; NO 4; PP. 887-889; BIBL. 8 REF.Article

CONFIRMATION OF SOME NO₂-CONTAINING PESTICIDES BY CHEMICAL REDUCTION AND GAS CHROMATOGRAPHY WITH ELECTROLYTIC CONDUCTIVITY DETECTION.LAWRENCE JF; LEWIS D; MCLEOD HA et al.1977; J. AGRIC. FOOD CHEM.; U.S.A.; DA. 1977; VOL. 25; NO 6; PP. 1359-1361; BIBL. 4 REF.Article

DETERMINATION OF THE INSECTICIDE/ACARICIDE FORMETANATE IN FRESH FRUIT BY REVERSED-PHASE LIQUID CHROMATOGRAPHYLAWRENCE JF; PANOPIO LG; LEWIS DA et al.1981; J. AGRIC. FOOD CHEM.; ISSN 0021-8561; USA; DA. 1981; VOL. 29; NO 4; PP. 722-724; BIBL. 7 REF.Article

GAS-LIQUID CHROMATOGRAPHY SYSTEM WITH FLAME IONIZATION, PHOSPHORUS, SULFUR, NITROGEN, AND ELECTRON CAPTURE DETECTORS OPERATING SIMULTANEOUSLY FOR PESTICIDE RESIDUE ANALYSISMCLEOD HA; BUTTERFIELD AG; LEWIS D et al.1975; ANAL. CHEM.; U.S.A.; DA. 1975; VOL. 47; NO 4; PP. 674-679; BIBL. 11 REF.Article

THE TRANSFER OF THE COCCIDIOSTAT CLOPIDOL TO LAMBS BY FEEDING CHICKEN WASTERYAN JJ; PILON JC; MCLEOD HA et al.1979; J. ENVIRONMENT. QUAL.; USA; DA. 1979; VOL. 8; NO 3; PP. 439-442; BIBL. 9 REF.Article