{"id":23,"date":"2026-01-15T16:44:27","date_gmt":"2026-01-15T16:44:27","guid":{"rendered":"https:\/\/www.geol.umd.edu\/facilities\/probe\/?page_id=23"},"modified":"2026-01-15T19:25:16","modified_gmt":"2026-01-15T19:25:16","slug":"faq","status":"publish","type":"page","link":"https:\/\/www.geol.umd.edu\/facilities\/probe\/faq\/","title":{"rendered":"FAQ"},"content":{"rendered":"<div id=\"pl-23\"  class=\"panel-layout\" ><div id=\"pg-23-0\"  class=\"panel-grid panel-no-style\" ><div id=\"pgc-23-0-0\"  class=\"panel-grid-cell\" ><div id=\"panel-23-0-0-0\" class=\"so-panel widget_sow-editor panel-first-child panel-last-child\" data-index=\"0\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<h1>Frequently Asked Questions and Other Information<\/h1>\n<p><span style=\"font-weight: 400;\">JEOL 8900R Superprobe<\/span><\/p>\n<h2 style=\"font-weight: 400;\">Sample Preparation<\/h2>\n<ul style=\"font-weight: 400;\">\n<li>Size\/shape limitations on samples<\/li>\n<li>Coating Samples\n<ul>\n<li>Carbon Coating (Fullum)<\/li>\n<li><a href=\"https:\/\/www.geol.umd.edu\/facilities\/probe\/procedure-for-using-the-thermal-evaporator-carbon-rods\/\">Carbon Coating (Thermal Evaporator)<\/a><\/li>\n<li>Hummer X Au-Pd Sputter Coater (Anatech)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2 style=\"font-weight: 400;\">Tips for Using the Probe and Other Useful Information<\/h2>\n<ul style=\"font-weight: 400;\">\n<li>Sample Maps of Permanently Mounted Standards\n<ul>\n<li><a href=\"https:\/\/www.geol.umd.edu\/facilities\/probe\/wp-content\/uploads\/2026\/01\/metal.gif\">Metals Mount<\/a><\/li>\n<li><a href=\"https:\/\/www.geol.umd.edu\/facilities\/probe\/wp-content\/uploads\/2026\/01\/mineral.gif\">Minerals Mount<\/a><\/li>\n<li><a href=\"https:\/\/www.geol.umd.edu\/facilities\/probe\/wp-content\/uploads\/2026\/01\/ree.gif\">REE\/Glass\/Sulfide Mount<\/a><\/li>\n<\/ul>\n<\/li>\n<li>Other Standard Maps\n<ul>\n<li>Astimex Standards<\/li>\n<li>Geller Standards<\/li>\n<li>Miscellaneous standard maps<\/li>\n<\/ul>\n<\/li>\n<li>Composition of Standards (Excel 2000 Format)<\/li>\n<li>Maps of Sample Holders<\/li>\n<li>A guide to Scanning Microscope Observation (<a href=\"http:\/\/www.jeol.com\/sem_gde\/guide.pdf\">PDF<\/a>, <a href=\"http:\/\/www.jeol.com\/sem_gde\/tbcontd.html\">html<\/a>)<\/li>\n<li><a href=\"https:\/\/www.geol.umd.edu\/facilities\/probe\/wp-content\/uploads\/2026\/01\/JXASection.pdf\">Cross-section of probe column<\/a>\u00a0(from JEOL Apps Lab)<\/li>\n<li><a href=\"http:\/\/www.uni-geochem.gwdg.de\/EMS-Aufbau\/ems-aufbau.htm\">Another Cross Section<\/a><\/li>\n<li><a href=\"http:\/\/www.uni-geochem.gwdg.de\/SpectroMovie.mov\">Movie of Spectrometer Motion (leaving this site)<\/a><\/li>\n<\/ul>\n<h2 style=\"font-weight: 400;\">Miscellaneous Information<\/h2>\n<ul style=\"font-weight: 400;\">\n<li><a href=\"http:\/\/www.geol.umd.edu\/~piccoli\/probe\/log.htm\">Probe Log Forms<\/a><\/li>\n<li><a href=\"http:\/\/www.geol.umd.edu\/~piccoli\/probe\/changingsamples.htm\">Changing Samples<\/a><\/li>\n<li>How do I get my digital images from the probe?<\/li>\n<li>Link to select topics on the\u00a0<a href=\"http:\/\/www.uni-freiburg.de\/minpet\/EMPA-listserver.html\">microprobe listserver<\/a><\/li>\n<li><a href=\"http:\/\/www.geol.umd.edu\/~piccoli\/probe\/LINESMAS.htm\">Table of x-ray lines<\/a><\/li>\n<li>\u00a0 X-Ray Lines and Spectrometer Positions for JEOL Microprobes\n<ul>\n<li><a href=\"https:\/\/www.geol.umd.edu\/facilities\/probe\/wp-content\/uploads\/2026\/01\/X-Ray_Lines-sorted-by-E.pdf\">Positions sorted by wavelength<\/a><\/li>\n<li><a href=\"https:\/\/www.geol.umd.edu\/facilities\/probe\/wp-content\/uploads\/2026\/01\/X-Ray_Lines.pdf\">Positions sorted by atomic number<\/a><\/li>\n<\/ul>\n<\/li>\n<li><a href=\"https:\/\/www.geol.umd.edu\/facilities\/probe\/how-do-you-calculate-the-weight-of-elements-from-a-mineral-molecular-formula\/\">How to calculate wt% from a chemical formula.<\/a><\/li>\n<li><a href=\"https:\/\/www.geol.umd.edu\/facilities\/probe\/molecular-weights-of-some-oxides-and-factors-to-convert-them-to-elements-by-weight\/\">Conversion factors for oxides to elements<\/a><\/li>\n<li>What are my options for printing out images and x-ray maps?<\/li>\n<li><a href=\"http:\/\/webmineral.com\/\">Webmineral<\/a>\u00a0periodic table of\u00a0<a href=\"http:\/\/webmineral.com\/chemical.shtml\">mineral chemistry<\/a><\/li>\n<li><a href=\"https:\/\/www.geol.umd.edu\/facilities\/probe\/procedure-to-import-images-from-probe-into-scion-image-nih-image\/\">Conversion of images\/maps to useable format.<\/a><\/li>\n<li>How do I schedule time on the probe?<\/li>\n<li>How does the 8900R differ from the old 840?<\/li>\n<\/ul>\n<h2 style=\"font-weight: 400;\">Software of Interest<\/h2>\n<ul style=\"font-weight: 400;\">\n<li>Download\u00a0<a href=\"http:\/\/www.amc.anl.gov\/ANLSoftwareLibrary\/03-MASLIB\/GMRFILM\/\">GMR Film<\/a>\u00a0(leaving this site)<\/li>\n<li>Download\u00a0<a href=\"http:\/\/www.abdn.ac.uk\/geology\/profiles\/analysis\/software.htm\">EXCEL\u00a0<\/a>spreadsheets to calculate mineral formulas<\/li>\n<li>Download\u00a0<a href=\"ftp:\/\/www.amc.anl.gov\/AMC-3\/ANLSoftwareLibrary\/3-MASLIB\/MINFILE\/\">MINFILE<\/a>\u00a0(leaving this site)<\/li>\n<li>Download\u00a0<a href=\"http:\/\/www.scioncorp.com\/index.htm\">Scion Image<\/a>\u00a0(NIH Image for PCs)<\/li>\n<li>Information about <a href=\"http:\/\/rsb.info.nih.gov\/ij\/\">ImageJ<\/a>\u00a0(Java-based NIH Image)<\/li>\n<li><a href=\"http:\/\/www.reindeergraphics.com\/free.html\">Micron Bar<\/a>\u00a0Plug-in for Photoshop (WIN\/Mac)<\/li>\n<li>Gimp<a href=\"https:\/\/www.gimp.org\/\">: GNU Image Manipulation Program<\/a><\/li>\n<li><a href=\"ftp:\/\/www.amc.anl.gov\/AMC-3\/ANLSoftwareLibrary\/\">Microscopy Society of America Software Library<\/a><\/li>\n<\/ul>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Frequently Asked Questions and Other Information JEOL 8900R Superprobe Sample Preparation Size\/shape limitations on samples Coating Samples Carbon Coating (Fullum) [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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