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Search Results for the EPA National Library Catalog
Items Found: 1774
Showing: Items 1451 - 1500
Your Search: (SUBJECT=chromatography)
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Title
Year Published
1451
Pulsed Positive Ion Negative Ion Chemical Ionization Mass Spectrometric Applicatons to Environmental and Hazardous Waste Analysis.
1983
1452
Purge and trap analysis using fused silica capillary column gas chromatography/mass spectrometry
1982
1453
Purification and Biological Characterization of Human Hepatopoietin A: A Polypeptide Growth Factor for Hepatocytes.
1989
1454
Pyrethrins and permethrin in potable waters by electron-capture gas chromatography, 1981.
1982
1455
Pyrographic Characterization of Municipal Waste.
1970
1456
Pyrographic Gross Characterization of Water Contaminants.
1973
1457
Qualitative determination of organic compounds in an aqueous media : solvent extraction and gas chromatography /
1969
1458
Quality Assurance Project Plan for Analytical Control and Assessment Activities in the National Study of Chemical Residues in Lake Fish Tissue.
2000
1459
Quality assurance project plan for the National Pesticide Survey of Drinking Water Wells : analytical method 1 - nitrogen/phosphorous pesticides and analytical method 3 - chlorinated acid herbicides /
1992
1460
Quality assurance project plan for the National Pesticide Survey of Drinking Water Wells : analytical method 1 /
1992
1461
Quality assurance project plan for the National Pesticide Survey of Drinking Water Wells : analytical method 2 : chlorinated pesticides /
1992
1462
Quality assurance project plan for the National Pesticide Survey of Drinking Water Wells : analytical method 3 /
1992
1463
Quality assurance project plan for the National Pesticide Survey of Drinking Water Wells : analytical method 5 : methyl carbamates /
1992
1464
Quality assurance project plan for the National Pesticide Survey of Drinking Water Wells : analytical method 6 /
1992
1465
Quality assurance project plan for the National Pesticide Survey of Drinking Water Wells : analytical method 6, ethylene thiourea /
1992
1466
Quality assurance project plan for the National Pesticide Survey of Drinking Water Wells : analytical method 7, Fumigants /
1992
1467
Quality assurance project plan for the National Pesticide Survey of Drinking Water Wells : referee analyses for analytical method 2--organochlorine pesticides, analytical method 4--carbamates, method 5--methylcarbamates, method 7--fumigants, and method 9--nitrate/nitrite /
1992
1468
Quantification of Octachlorostyrene and Related Compounds in Great Lakes Fish by Gas Chromatography - Mass Spectrometry.
1981
1469
Quantitative Analysis of 68 Polar Compounds from Ten Chemical Classes by Direct Aqueous Injection Gas Chromatography.
1984
1470
Quantitative Analysis of Alkyl Phosphates Using Automated Cool On-Column Aqueous Injection.
1989
1471
Quantitative analysis of polynuclear aromatic hydrocarbons in liquid fuels /
1980
1472
Quantitative capillary column gas chromatography-mass spectrometry methods of analysis for toxic organic compounds /
1980
1473
Radiochromatographic Analysis of Fresh Water Resources.
1971
1474
Rapid Measurement of Aqueous Hydroxyl Radical Concentrations in Steady-State HO Flux Systems.
1992
1475
Rapid Method for Estimating Log P for Organic Chemicals.
1978
1476
Rapid Methods of Analysis for Trace Quantities of Polynuclear Aromatic Hydrocarbons and Phenols in Automobile Exhaust, Gasoline, and Crankcase Oil.
1971
1477
Rapid Procedure for Preparation of Support-Bonded Carbowax 20M Gas Chromatographic Column Packing.
1978
1478
Rapid scanning coulostatic liquid chromatography/electrochemistry in dual electrode cell
1986
1479
Rapid, Quantitative Bioassay for Detecting Phytotoxic Gases Using Stress-Ethylene.
1982
1480
Rapid, Sensitive Method for the Analysis of Halogenated Gases in Water (Journal Version).
1988
1481
Reaction detection in liquid chromatography
1986
1482
Reactions of Chlorine in Drinking Water, with Humic Acids and 'In vivo'.
1984
1483
Reactions of Chlorite with Activated Carbon and with Vanillic Acid and Indan Adsorbed on Activated Carbon.
1983
1484
Reactions of dissolved pollutants with ozone in aqueous solutions {microform} :
1984
1485
Reactive dyes in the aquatic environment : a case study of Reactive Blue 19 /
1990
1486
Reagents for Determinations of Trace Impurities in Water.
1972
1487
Real-Time Monitoring of a Hazardous Waste Incinerator with a Mobile Laboratory.
1987
1488
Recent advances in capillary gas chromatography
1981
1489
Recent Advances in the Matrix Isolation Infrared Spectrometry of Organic Compounds.
1989
1490
Recent Applications of Mass Spectrometry and Combined Gas Chromatography-Mass Spectrometry to Pesticide Residue Analysis.
1970
1491
Recognition of Diazinon, An Organophosphorus Pesticide, When Found in Samples in the Form of Decomposition Products.
1981
1492
Recommended operating procedure no. 45 : analysis of nitrous oxide from combustion sources /
1990
1493
Reductive Degradation of Dieldrin and Endrin in the Field Using Acidified Zinc.
1981
1494
Reductive Dehalogenation of a Nitrogen Heterocyclic Herbicide in Anoxic Aquifer Slurries.
1990
1495
Regional air pollution study : gas chromatograph laboratory operations /
1980
1496
Regional air pollution study : gas chromatograph laboratory operations /
1976
1497
Regional air pollution study : quality assurance audits /
1979
1498
Regional air pollution study : quality assurance audits /
1976
1499
Regiospecific Dechlorination of Pentachlorophenol by Dichlorophenol-Adapted Microorganisms in Freshwater, Anaerobic Sediment Slurries.
1991
1500
Relationship between Cell Surface Properties and Transport of Bacteria through Soil.
1991
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