Item talk:Q258819
From geokb
{
"USGS Publications Warehouse": { "@context": "https://schema.org", "@type": "Article", "additionalType": "Journal Article", "name": "Development and evaluation of a gas chromatographic method for the determination of triazine herbicides in natural water samples", "identifier": [ { "@type": "PropertyValue", "propertyID": "USGS Publications Warehouse IndexID", "value": "70013357", "url": "https://pubs.usgs.gov/publication/70013357" }, { "@type": "PropertyValue", "propertyID": "USGS Publications Warehouse Internal ID", "value": 70013357 }, { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1080/03067318408079923", "url": "https://doi.org/10.1080/03067318408079923" }, { "@type": "PropertyValue", "propertyID": "ISSN", "value": "03067319" } ], "journal": { "@type": "Periodical", "name": "International Journal of Environmental Analytical Chemistry", "volumeNumber": "17", "issueNumber": "2" }, "inLanguage": "en", "isPartOf": [ { "@type": "CreativeWorkSeries", "name": "International Journal of Environmental Analytical Chemistry" } ], "datePublished": "1984", "dateModified": "2020-01-20", "abstract": "A multi-residue method is described for the determination o triazine herbicides in natural water samples. The technique uses solvent extraction followed by gas chromatographic separation and detection employing nitrogen-selective devices. Seven compounds can be determined simultaneously at a nominal detection limit of 0.1 \u03bcg/L in a 1-litre sample. Three different natural water samples were used for error analysis via evaluation of recovery efficiencies and estimation of overall method precision. As an alternative to liquid-liquid partition (solvent extraction) for removal of compounds of interest from water, solid-phase extraction (SPE) techniques employing chromatographic grade silicas with chemically modified surfaces have been examined. SPE is found to provide rapid and efficient concentration with quantitative recovery of some triazine herbicides from natural water samples. Concentration factors of 500 to 1000 times are obtained readily by the SPE technique.", "description": "15 p.", "publisher": { "@type": "Organization", "name": "Taylor and Francis " }, "author": [ { "@type": "Person", "name": "Brooks, M.G.", "givenName": "M.G.", "familyName": "Brooks" }, { "@type": "Person", "name": "Steinheimer, T.R.", "givenName": "T.R.", "familyName": "Steinheimer" } ], "funder": [ { "@type": "Organization", "name": "Toxic Substances Hydrology Program", "url": null } ] }, "OpenAlex": { "_id": "https://openalex.org/w1965112612", "abstract_inverted_index": { "Abstract": [ 0 ], "A": [ 1 ], "multi-residue": [ 2 ], "method": [ 3, 68 ], "is": [ 4, 102 ], "described": [ 5 ], "for": [ 6, 56, 78 ], "the": [ 7, 132 ], "determination": [ 8 ], "o": [ 9 ], "triazine": [ 10, 115 ], "herbicides": [ 11, 116 ], "in": [ 12, 45 ], "natural": [ 13, 51, 118 ], "water": [ 14, 52, 119 ], "samples.": [ 15, 120 ], "The": [ 16 ], "technique": [ 17 ], "uses": [ 18 ], "solvent": [ 19 ], "extraction": [ 20, 87 ], "followed": [ 21 ], "by": [ 22, 131 ], "gas": [ 23 ], "chromatographic": [ 24, 91 ], "separation": [ 25 ], "and": [ 26, 64, 107 ], "detection": [ 27, 40 ], "employing": [ 28, 90 ], "nitrogen-selective": [ 29 ], "devices.": [ 30 ], "Seven": [ 31 ], "compounds": [ 32, 81 ], "can": [ 33 ], "be": [ 34 ], "determined": [ 35 ], "simultaneously": [ 36 ], "at": [ 37 ], "a": [ 38, 46 ], "nominal": [ 39 ], "limit": [ 41 ], "of": [ 42, 61, 66, 80, 82, 113, 123 ], "0.1": [ 43 ], "\u03bcg/L": [ 44 ], "1-litre": [ 47 ], "sample.": [ 48 ], "Three": [ 49 ], "different": [ 50 ], "samples": [ 53 ], "were": [ 54 ], "used": [ 55 ], "error": [ 57 ], "analysis": [ 58 ], "via": [ 59 ], "evaluation": [ 60 ], "recovery": [ 62, 112 ], "efficiencies": [ 63 ], "estimation": [ 65 ], "overall": [ 67 ], "precision.": [ 69 ], "As": [ 70 ], "an": [ 71 ], "alternative": [ 72 ], "to": [ 73, 104, 125 ], "liquid-liquid": [ 74 ], "partition": [ 75 ], "(solvent": [ 76 ], "extraction)": [ 77 ], "removal": [ 79 ], "interest": [ 83 ], "from": [ 84, 117 ], "water,": [ 85 ], "solid-phase": [ 86 ], "(SPE)": [ 88 ], "techniques": [ 89 ], "grade": [ 92 ], "silicas": [ 93 ], "with": [ 94, 110 ], "chemically": [ 95 ], "modified": [ 96 ], "surfaces": [ 97 ], "have": [ 98 ], "been": [ 99 ], "examined.": [ 100 ], "SPE": [ 101, 133 ], "found": [ 103 ], "provide": [ 105 ], "rapid": [ 106 ], "efficient": [ 108 ], "concentration": [ 109 ], "quantitative": [ 111 ], "some": [ 114 ], "Concentration": [ 121 ], "factors": [ 122 ], "500": [ 124 ], "1000": [ 126 ], "times": [ 127 ], "are": [ 128 ], "obtained": [ 129 ], "readily": [ 130 ], "technique.": [ 134 ] }, "apc_list": null, "apc_paid": null, "authorships": [ { "author_position": "first", "author": { "id": "https://openalex.org/A5044342758", "display_name": "Thomas R. 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Box 25046, Mail Stop 407, Denver Federal Center, Denver, Colorado, 80225", "institution_ids": [ "https://openalex.org/I2800772125", "https://openalex.org/I1286329397" ] } ] }, { "author_position": "last", "author": { "id": "https://openalex.org/A5077239492", "display_name": "Michael G Brooks", "orcid": null }, "institutions": [ { "id": "https://openalex.org/I2800772125", "display_name": "Denver Federal Center", "ror": "https://ror.org/05pxjag90", "country_code": "US", "type": "government", "lineage": [ "https://openalex.org/I1280600231", "https://openalex.org/I2800772125" ] }, { "id": "https://openalex.org/I1286329397", "display_name": "United States Geological Survey", "ror": "https://ror.org/035a68863", "country_code": "US", "type": "government", "lineage": [ "https://openalex.org/I1286329397", "https://openalex.org/I1335927249" ] } ], "countries": [ "US" ], "is_corresponding": false, "raw_author_name": "M. G. Brooks", "raw_affiliation_strings": [ "U.S. Geological Survey , P.O. 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