{"id":594,"date":"2026-02-09T09:51:58","date_gmt":"2026-02-09T08:51:58","guid":{"rendered":"https:\/\/www.xrfeurope.com\/?p=594"},"modified":"2026-02-18T20:27:58","modified_gmt":"2026-02-18T19:27:58","slug":"jak-przygotowac-probki-do-badania-xrf-najczestsze-bledy","status":"publish","type":"post","link":"https:\/\/www.xrfeurope.com\/en\/uncategorized\/jak-przygotowac-probki-do-badania-xrf-najczestsze-bledy\/","title":{"rendered":"How to prepare samples for XRF testing? The most common mistakes"},"content":{"rendered":"<p class=\"wp-block-paragraph\">How to prepare samples for XRF testing? This is a question many specialists working with the chemical analysis of metals, environmental materials, or catalysts ask. The accuracy of XRF analysis results largely depends on how the sample is prepared. Even the most precise XRF analyzers <strong>cannot compensate for errors resulting from improper sample preparation<\/strong>. A proper preparation procedure allows obtaining results that accurately reflect the composition of the analyzed sample, which directly impacts data interpretation and technological decisions.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Table of contents:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"#rownomiernosc-i-czystosc-powierzchni-jak-przygotowac-probki-do-badania-xrf\">Surface Uniformity and Cleanliness \u2013 How to Prepare Samples for XRF Testing?<\/a><\/li>\n\n\n\n<li><a href=\"#jednorodnosc-probki-przy-materialach-niejednorodnych\">Sample homogeneity for heterogeneous materials<\/a><\/li>\n\n\n\n<li><a href=\"#najczestsze-bledy-przy-przygotowaniu-probek-xrf\">The Most Common Errors in XRF Sample Preparation<\/a><\/li>\n\n\n\n<li><a href=\"#jak-uniknac-bledow-i-uzyskac-wiarygodne-wyniki\">How to Avoid Errors and Obtain Reliable Results?<\/a><\/li>\n<\/ul>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"rownomiernosc-i-czystosc-powierzchni-jak-przygotowac-probki-do-badania-xrf\">Surface Uniformity and Cleanliness \u2013 How to Prepare Samples for XRF Testing?<\/h2>\n\n\n\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">One of the most important steps in preparing a sample for XRF testing is achieving a perfectly smooth and homogeneous surface. <a href=\"\/en\/\">XRF analyzers<\/a> use X-ray radiation that penetrates more than just a thin surface layer, so any irregularities, deposits, or oxide layers can significantly distort the results. In the case of metals, it is essential to <strong>to polish the surface until all traces of oxidation are removed<\/strong>. Additionally, in sulfur content analyses, it is also necessary to thoroughly degrease the sample. Surface contaminants distort the elemental ratios, causing the analysis results to not reflect the true composition of the material.<\/p>\n\n\n\n<div style=\"height:27px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"jednorodnosc-probki-przy-materialach-niejednorodnych\">Sample homogeneity for heterogeneous materials<\/h2>\n\n\n\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">For environmental, powdered, and automotive catalyst samples, homogenizing the sample is crucial. <strong>How to Prepare Samples for XRF Testing? These types of materials rarely have a uniform composition throughout, so before measurement, they should be ground or pressed<\/strong>. This prevents situations where analysis at different points yields inconsistent results. Sample homogenization determines the representativeness of the measurement. Failing to prepare the sample in this way can lead to data interpretation that is only indicative.<\/p>\n\n\n\n<div style=\"height:27px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"najczestsze-bledy-przy-przygotowaniu-probek-xrf\">The Most Common Errors in XRF Sample Preparation<\/h2>\n\n\n\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Improper sample preparation results in errors that are difficult to detect during analysis. The most common ones include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>residual oxidized layer<\/strong> on the metal surface,<\/li>\n\n\n\n<li>failure to degrease the sample before analyzing light elements,<\/li>\n\n\n\n<li>uneven distribution of components in powders,<\/li>\n\n\n\n<li><strong>using an inappropriate carrier or film <\/strong>in liquid analyses,<\/li>\n\n\n\n<li>insufficiently pressed pellets causing microcracks.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Each of the above errors distorts the results, reducing the value of the XRF analysis. Therefore, it is worth implementing repeatable, standardized sample preparation procedures tailored to the material\u2019s physical form.<\/p>\n\n\n\n<div style=\"height:27px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"jak-uniknac-bledow-i-uzyskac-wiarygodne-wyniki\">How to Avoid Errors and Obtain Reliable Results?<\/h2>\n\n\n\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">How to Prepare Samples for XRF Testing? For the analysis to be reliable, the sample must represent the material whose composition you want to determine. For metals, surface polishing and removal of all coatings, including paint and lacquer, is recommended. <strong>Liquid samples should be placed in containers with a transparent bottom made of Mylar film<\/strong>, polycarbonate, or Kapton. Powders can be analyzed after pressing or embedding in borosilicate glass. Properly prepared material ensures consistent and comparable results for successive measurements of the same sample.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Precise sample preparation becomes especially important when using portable devices, where changes in sample geometry affect the signal intensity. <strong>In such cases, certified XRF analyzers are helpful<\/strong>, which ensure high measurement repeatability thanks to advanced calibration systems. Proper preparation and surface cleanliness control form the foundation for accurate XRF chemical analysis in industrial and research laboratories.<\/p>","protected":false},"excerpt":{"rendered":"<p>Jak przygotowa\u0107 pr\u00f3bki do badania XRF? To pytanie zadaje sobie wielu specjalist\u00f3w zajmuj\u0105cych si\u0119 analiz\u0105 sk\u0142adu chemicznego metali, materia\u0142\u00f3w \u015brodowiskowych czy katalizator\u00f3w. Dok\u0142adno\u015b\u0107 wynik\u00f3w analizy XRF w du\u017cym stopniu zale\u017cy od sposobu przygotowania pr\u00f3bki. Nawet najbardziej precyzyjne analizatory XRF nie skompensuj\u0105 b\u0142\u0119d\u00f3w wynikaj\u0105cych z niew\u0142a\u015bciwego przygotowania materia\u0142u. Rzetelna procedura przygotowawcza pozwala uzyska\u0107 wyniki rzeczywi\u015bcie odzwierciedlaj\u0105ce [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":369,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-594","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Jak przygotowa\u0107 pr\u00f3bki do badania XRF? 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