{"creator_user_id": "ff823508-812b-42c6-88e7-7c82e20ab42c", "id": "0d483729-e68e-4977-98fd-dc99f2c6f3ec", "metadata_created": "2014-09-03T13:31:17.005399", "metadata_modified": "2014-09-03T13:34:09.810198", "name": "use-of-weighted-x-ray-diffraction-data-for-semi-quantitative-estimation-of-minerals", "notes": "The intensity of x-rays diffracted from a component\r\nof a mixture is proportional to the concentration of that\r\ncomponent in the mixture. The proportionality constant\r\nis however affected by various parameters including sample\r\npreparation and mounting, equipment operation, the composition\r\nand crystallinity of the component and the overall\r\ncomposition of the mixture to name just a few. Assuming\r\ncritical control of sample preparation, mounting\r\nand equipment operation, for a specific sample type,\r\nweighting factors were determined which when applied to\r\nthe observed x-ray intensities of the individual minerals\r\nallowed a reasonably accurate semiquantitative estimation\r\nof the mineral abundances to be calculated. The effectiveness\r\nof the weighting factors was evaluated using\r\nboth parametric and non-parametric statistical comparisons\r\nwith other conventional analytical procedures. Because\r\nthe sample preparation and mounting procedures are critical\r\nfor the success of this or any other analytical technique,\r\nthe procedures used are detailed.", "num_resources": 0, "num_tags": 5, "package_reviewed": true, "private": false, "state": "active", "title": "Use of weighted X-ray diffraction data for semi-quantitative estimation of minerals in low temperature ashes of bituminous coal and in shale", "type": "dataset", "extras": [{"key": "citation", "value": "Renton, J. J. (1979). Use of weighted X-ray diffraction data for semi-quantitative estimation of minerals in low temperature ashes of bituminous coal and in shale. Morgantown, W.Va.: Dept. of Energy, Morgantown Energy Technology Center ."}, {"key": "netl_product", "value": "no"}, {"key": "organization_acronym", "value": "WVU"}, {"key": "publication_date", "value": "1979-02-01"}, {"key": "spatial", "value": "{\"type\":\"MultiPolygon\",\"coordinates\": [[[[-81.665886, 37.20491], [-81.83889, 37.285503], [-82.29562, 37.66906], [-82.500206, 37.92226], [-82.646126, 38.14633], [-82.647156, 38.169437], [-82.598236, 38.368465], [-82.5866, 38.412518], [-80.667725, 40.582138], [-80.63734, 40.613983], [-80.61155, 40.620064], [-80.522, 40.637203], [-77.84241, 39.605373], [-77.77155, 39.498116], [-77.737236, 39.396194], [-77.72747, 39.317795], [-77.820045, 39.141724], [-77.83068, 39.132183], [-80.28792, 37.51115], [-80.42538, 37.434906], [-80.967896, 37.29179], [-81.22293, 37.240215], [-81.556656, 37.206352], [-81.665886, 37.20491]]]]}"}], "resources": [{"id": "be57b5f1-245b-4ad3-a101-b66e15feb78c", "package_id": "0d483729-e68e-4977-98fd-dc99f2c6f3ec", "revision_id": "3190e731-eb1d-6f57-8d7b-af24dec53075", "url": "https://edx.netl.doe.gov/storage/f/edx/2014/09/2014-09-03T13:31:35.918Z/7aa614cb-a3d8-468c-add3-7b52756f802d/use-of-weighted-x-ray-diffraction-data-for-semi-quantitative.pdf", "format": ".PDF", "description": "The intensity of x-rays diffracted from a component\r\nof a mixture is proportional to the concentration of that\r\ncomponent in the mixture. The proportionality constant\r\nis however affected by various parameters including sample\r\npreparation and mounting, equipment operation, the composition\r\nand crystallinity of the component and the overall\r\ncomposition of the mixture to name just a few. Assuming\r\ncritical control of sample preparation, mounting\r\nand equipment operation, for a specific sample type,\r\nweighting factors were determined which when applied to\r\nthe observed x-ray intensities of the individual minerals\r\nallowed a reasonably accurate semiquantitative estimation\r\nof the mineral abundances to be calculated. The effectiveness\r\nof the weighting factors was evaluated using\r\nboth parametric and non-parametric statistical comparisons\r\nwith other conventional analytical procedures. Because\r\nthe sample preparation and mounting procedures are critical\r\nfor the success of this or any other analytical technique,\r\nthe procedures used are detailed.", "hash": "", "position": 0, "name": "Use of Weighted X-Ray Diffraction Data for Semi-Quantitative.pdf", "resource_type": "file.upload", "mimetype": null, "mimetype_inner": null, "size": 1790388, "created": "2014-09-03T09:31:40.309507", "last_modified": "2014-09-03T09:31:40.309507", "cache_url": null, "cache_last_updated": null, "url_type": "upload", "state": "active", "license_type": "cc-by", "folder_id": "root", "owner_org": null, "recycle_removed": false, "fgdc_metadata": false, "rating": null, "categories_json": "[]", "scale": "", "typeofgep": "Not Applicable", "locations_json": "[]", "refSystem": "", "file": "", "owner": "admin", "revision_timestamp": "September 3, 2014, 13:31:40 (EST)", "intended_use_auth": false}], "tags": [{"display_name": "Geochemistry", "id": "685da570-5449-4de6-9346-04351da14c66", "name": "Geochemistry", "state": "active", "vocabulary_id": null}, {"display_name": "Solids", "id": "6e05e6a8-2f2f-4faa-bdb9-84fc2037cdc3", "name": "Solids", "state": "active", "vocabulary_id": null}, {"display_name": "bituminous coal", "id": "77e58a35-51df-41de-b8aa-bbb5609e150d", "name": "bituminous coal", "state": "active", "vocabulary_id": null}, {"display_name": "minerals", "id": "a4393efd-a827-4291-ab78-82bcaa3d60f9", "name": "minerals", "state": "active", "vocabulary_id": null}, {"display_name": "x-ray diffraction", "id": "aabbb688-a358-4feb-8887-a6865d06e8cc", "name": "x-ray diffraction", "state": "active", "vocabulary_id": null}], "submission_authors": []}