@prefix dcat: <http://www.w3.org/ns/dcat#> .
@prefix dct: <http://purl.org/dc/terms/> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix gsp: <http://www.opengis.net/ont/geosparql#> .
@prefix locn: <http://www.w3.org/ns/locn#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://data.amerigeoss.org/dataset/0d483729-e68e-4977-98fd-dc99f2c6f3ec> a dcat:Dataset ;
    dct:description """The intensity of x-rays diffracted from a component\r
of a mixture is proportional to the concentration of that\r
component in the mixture. The proportionality constant\r
is however affected by various parameters including sample\r
preparation and mounting, equipment operation, the composition\r
and crystallinity of the component and the overall\r
composition of the mixture to name just a few. Assuming\r
critical control of sample preparation, mounting\r
and equipment operation, for a specific sample type,\r
weighting factors were determined which when applied to\r
the observed x-ray intensities of the individual minerals\r
allowed a reasonably accurate semiquantitative estimation\r
of the mineral abundances to be calculated. The effectiveness\r
of the weighting factors was evaluated using\r
both parametric and non-parametric statistical comparisons\r
with other conventional analytical procedures. Because\r
the sample preparation and mounting procedures are critical\r
for the success of this or any other analytical technique,\r
the procedures used are detailed.""" ;
    dct:identifier "0d483729-e68e-4977-98fd-dc99f2c6f3ec" ;
    dct:issued "2025-11-25T21:08:28.867749"^^xsd:dateTime ;
    dct:modified "2025-11-25T21:08:28.867753"^^xsd:dateTime ;
    dct:publisher <https://data.amerigeoss.org/organization/b9d8e33f-c3b6-404c-b260-b928137f5a39> ;
    dct:spatial [ a dct:Location ;
            locn:geometry "MULTIPOLYGON (((-81.6659 37.2049, -81.8389 37.2855, -82.2956 37.6691, -82.5002 37.9223, -82.6461 38.1463, -82.6472 38.1694, -82.5982 38.3685, -82.5866 38.4125, -80.6677 40.5821, -80.6373 40.6140, -80.6115 40.6201, -80.5220 40.6372, -77.8424 39.6054, -77.7716 39.4981, -77.7372 39.3962, -77.7275 39.3178, -77.8200 39.1417, -77.8307 39.1322, -80.2879 37.5112, -80.4254 37.4349, -80.9679 37.2918, -81.2229 37.2402, -81.5567 37.2064, -81.6659 37.2049)))"^^gsp:wktLiteral ] ;
    dct:title "Use of weighted X-ray diffraction data for semi-quantitative estimation of minerals in low temperature ashes of bituminous coal and in shale" ;
    dcat:distribution <https://data.amerigeoss.org/dataset/0d483729-e68e-4977-98fd-dc99f2c6f3ec/resource/be57b5f1-245b-4ad3-a101-b66e15feb78c> ;
    dcat:keyword "amerigeo",
        "amerigeoss",
        "bituminous-coal",
        "ckan",
        "edx",
        "energy",
        "energy-data-exchange",
        "geo",
        "geochemistry",
        "geoss",
        "global",
        "minerals",
        "solids",
        "x-ray-diffraction" .

<https://data.amerigeoss.org/dataset/0d483729-e68e-4977-98fd-dc99f2c6f3ec/resource/be57b5f1-245b-4ad3-a101-b66e15feb78c> a dcat:Distribution ;
    dct:description """The intensity of x-rays diffracted from a component\r
of a mixture is proportional to the concentration of that\r
component in the mixture. The proportionality constant\r
is however affected by various parameters including sample\r
preparation and mounting, equipment operation, the composition\r
and crystallinity of the component and the overall\r
composition of the mixture to name just a few. Assuming\r
critical control of sample preparation, mounting\r
and equipment operation, for a specific sample type,\r
weighting factors were determined which when applied to\r
the observed x-ray intensities of the individual minerals\r
allowed a reasonably accurate semiquantitative estimation\r
of the mineral abundances to be calculated. The effectiveness\r
of the weighting factors was evaluated using\r
both parametric and non-parametric statistical comparisons\r
with other conventional analytical procedures. Because\r
the sample preparation and mounting procedures are critical\r
for the success of this or any other analytical technique,\r
the procedures used are detailed.""" ;
    dct:format "PDF" ;
    dct:issued "2014-09-03T09:31:40.309507"^^xsd:dateTime ;
    dct:modified "2025-11-25T21:08:28.859559"^^xsd:dateTime ;
    dct:title "Use of Weighted X-Ray Diffraction Data for Semi-Quantitative.pdf" ;
    dcat:accessURL <https://edx.netl.doe.gov/storage/f/2014-09-03T13%3A31%3A35.918Z/use-of-weighted-x-ray-diffraction-data-for-semi-quantitative.pdf> ;
    dcat:byteSize "1790388"^^xsd:nonNegativeInteger .

<https://data.amerigeoss.org/organization/b9d8e33f-c3b6-404c-b260-b928137f5a39> a foaf:Agent ;
    foaf:name "Energy Data Exchange" .