{"id":37278,"date":"2025-04-08T14:17:58","date_gmt":"2025-04-08T14:17:58","guid":{"rendered":"https:\/\/aso-labor.de\/methoden\/x-ray-structure-analysis\/"},"modified":"2026-01-26T00:17:28","modified_gmt":"2026-01-26T00:17:28","slug":"roentgenstruktur-analyse","status":"publish","type":"methoden","link":"https:\/\/aso-labor.de\/en\/methods\/roentgenstruktur-analyse\/","title":{"rendered":"X-ray Structure Analysis"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"37278\" class=\"elementor elementor-37278 elementor-34943\" data-elementor-post-type=\"methoden\">\n\t\t\t\t<div class=\"elementor-element elementor-element-78b68ca e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"78b68ca\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d5bbd9e cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"d5bbd9e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">X-ray Structure Analysis<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-95c4c67 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-image\" data-id=\"95c4c67\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/aso-labor.de\/wp-content\/uploads\/2025\/03\/Roentgen-XRD-Physik-1024x683.jpg\" class=\"attachment-large size-large wp-image-37279\" alt=\"R\u00f6ntgen XRD Ger\u00e4t - Physikalische Analyse ASO\" srcset=\"https:\/\/aso-labor.de\/wp-content\/uploads\/2025\/03\/Roentgen-XRD-Physik-1024x683.jpg 1024w, https:\/\/aso-labor.de\/wp-content\/uploads\/2025\/03\/Roentgen-XRD-Physik-300x200.jpg 300w, https:\/\/aso-labor.de\/wp-content\/uploads\/2025\/03\/Roentgen-XRD-Physik-768x512.jpg 768w, https:\/\/aso-labor.de\/wp-content\/uploads\/2025\/03\/Roentgen-XRD-Physik-1536x1024.jpg 1536w, https:\/\/aso-labor.de\/wp-content\/uploads\/2025\/03\/Roentgen-XRD-Physik-2048x1365.jpg 2048w, https:\/\/aso-labor.de\/wp-content\/uploads\/2025\/03\/Roentgen-XRD-Physik-450x300.jpg 450w, https:\/\/aso-labor.de\/wp-content\/uploads\/2025\/03\/Roentgen-XRD-Physik-30x20.jpg 30w, https:\/\/aso-labor.de\/wp-content\/uploads\/2025\/03\/Roentgen-XRD-Physik-15x10.jpg 15w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c8d4c91 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-text-editor\" data-id=\"c8d4c91\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>The Principle Briefly Explained<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f777fd5 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-text-editor\" data-id=\"f777fd5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h3>X-ray Structure Analysis<\/h3><p>X-ray structure analysis allows the identification of crystalline materials via X-ray diffraction (XRD) on the crystal lattice. The position and intensity of the maxima in the diffraction pattern depend on the arrangement of atoms in the crystal lattice and are thus specific to a material. <\/p><p>X-ray structure analysis is usually performed on fine powders, which is why it is also called powder diffractometry and serves to:<\/p><ul><li>Identification of crystalline solids and their quantification<\/li><li>Determination of crystal modifications of a compound (phase analysis)<\/li><li>Measurement of lattice parameters, crystallite sizes, and degree of crystallinity<\/li><li>Characterization of hydroxylapatite regarding crystallinity, phase purity, and Ca\/P ratio according to ISO 13779-3<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-532f0a4 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"532f0a4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Application Examples<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div data-separate-animation-selector=\".elementor-widget-cmsmasters-toggles__item\" data-text-animation-class=\"sequental, random\" class=\"elementor-element elementor-element-16083b9 cmsmasters-title-alignment-left cmsmasters-item-icon-position-left cmsmasters-trigger-icon-view-default cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-cmsmasters-toggles cmsmasters-widget-toggles\" data-id=\"16083b9\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;toggles&quot;:[{&quot;toggle_title&quot;:&quot;Phase Purity with X-ray Diffraction&quot;,&quot;toggle_content&quot;:&quot;&lt;h4&gt;X-ray Diffraction \\u2013 Purity Analysis of Bone Substitutes&lt;\\\/h4&gt;\\n&lt;h5&gt;Problem Statement&lt;\\\/h5&gt;\\n&lt;p&gt;The mineral hydroxylapatite \\u2013 Ca5(OH)(PO4)3 \\u2013 is a main component of human bone substance and has proven itself as an implant material for surgical applications.&lt;br \\\/&gt;Calcium compounds exist with a similar chemical composition but with a different crystal structure and consequently altered or undesirable properties regarding biocompatibility or resorption rate.&lt;\\\/p&gt;\\n&lt;h5&gt;Solution&lt;\\\/h5&gt;\\n&lt;p&gt;X-ray diffraction allows the identification and quantitative detection of foreign phases.&lt;br \\\/&gt;For the example shown in Figure 1, the hydroxylapatite contains traces of calcium oxide (marked by reflections with arrows).&lt;br \\\/&gt;The method is described in standard ISO 13779-3.&lt;br \\\/&gt;Another important property that can be determined by X-ray diffraction is the degree of crystallinity of the sample.&lt;br \\\/&gt;Amorphous components demonstrably have higher solubility and can be resorbed more quickly in the body.&lt;br \\\/&gt;An evaluation of the peak width in the diffraction pattern allows conclusions about crystallite size.&lt;br \\\/&gt;The size and shape of hydroxylapatite crystals (HA) are additionally investigated using electron microscopy (see Fig. 2).&lt;\\\/p&gt;\\n&lt;h5&gt;Industries &amp; Applications&lt;\\\/h5&gt;\\n&lt;ul&gt;\\n&lt;li&gt;Medical Technology&lt;\\\/li&gt;\\n&lt;\\\/ul&gt;\\n&lt;h5&gt;Objectives&lt;\\\/h5&gt;\\n&lt;p&gt;Product Development, Quality Assurance, Failure Analysis&lt;\\\/p&gt;\\n&lt;h5&gt;Materials&lt;\\\/h5&gt;\\n&lt;p&gt;Crystalline Solids, Bone Cements&lt;\\\/p&gt;\\n&lt;h5&gt;Analysis Methods&lt;\\\/h5&gt;\\n&lt;ul&gt;\\n&lt;li&gt;X-ray Diffractometry (XRD)&lt;\\\/li&gt;\\n&lt;li&gt;Wide-Angle X-ray Scattering (WAXS)&lt;\\\/li&gt;\\n&lt;\\\/ul&gt;\\n&lt;h5&gt;Complementary Methods&lt;\\\/h5&gt;\\n&lt;ul&gt;\\n&lt;li&gt;X-ray Fluorescence (XRF)&lt;\\\/li&gt;\\n&lt;li&gt;Electron Microscopy&lt;\\\/li&gt;\\n&lt;\\\/ul&gt;\\n&lt;h5&gt;Advantages&lt;\\\/h5&gt;\\n&lt;p&gt;X-ray diffraction allows statements regarding phase purity, crystallinity, and crystallite size. These are parameters that must be checked for quality assurance according to standards. In addition to the application example from medical technology, this technique can also distinguish various modifications of the white pigment titanium dioxide or various calcium sulfates (gypsum, bassanite, anhydrite, etc.). For the analysis of hydroxylapatite, Analytik Service Obernburg GmbH also offers the possibility to analyze the Ca:P ratio and heavy metal freedom by X-ray fluorescence (XRF). The ICP-OES method allows the analysis of heavy metal impurities even in the lowest concentrations.    &lt;\\\/p&gt;\\n&lt;p&gt;&lt;img class=\\&quot;alignnone size-full wp-image-35785\\&quot; src=\\&quot;https:\\\/\\\/aso-labor.de\\\/wp-content\\\/uploads\\\/2025\\\/03\\\/Beugungsdiagramm-einer-Pulverprobe.jpeg\\&quot; alt=\\&quot;Figure 1: Diffraction pattern of a powder sample plotted as intensity versus diffraction angle (blue line, top). For comparison, below are reflection positions and intensities from a database for hydroxylapatite (green) and calcium oxide (red).\\&quot; width=\\&quot;758\\&quot; height=\\&quot;544\\&quot;&gt;&lt;\\\/p&gt;\\n&lt;p&gt;&lt;strong&gt;Figure 1:&lt;\\\/strong&gt; Diffraction pattern of a powder sample plotted as intensity versus diffraction angle (blue line, top). For comparison, below are reflection positions and intensities from a database for hydroxylapatite (green) and calcium oxide (red). &lt;\\\/p&gt;\\n&lt;p&gt;&lt;img class=\\&quot;alignnone size-full wp-image-35784\\&quot; src=\\&quot;https:\\\/\\\/aso-labor.de\\\/wp-content\\\/uploads\\\/2025\\\/03\\\/Visualisierung-der-Nadelstruktur.jpeg\\&quot; alt=\\&quot;Figure 2: Visualization of the needle structure and size of hydroxylapatite crystals using transmission electron microscopy.\\&quot; width=\\&quot;885\\&quot; height=\\&quot;620\\&quot;&gt;&lt;\\\/p&gt;\\n&lt;p&gt;&lt;strong&gt;Figure 2:&lt;\\\/strong&gt; Visualization of the needle structure and size of hydroxylapatite crystals using transmission electron microscopy.&lt;\\\/p&gt;\\n&quot;,&quot;item_icon&quot;:{&quot;value&quot;:&quot;far fa-file-pdf&quot;,&quot;library&quot;:&quot;fa-regular&quot;},&quot;_id&quot;:&quot;1281150&quot;,&quot;content_type&quot;:&quot;toggle-content&quot;,&quot;saved_section&quot;:null,&quot;saved_template&quot;:null,&quot;toggle_custom_id&quot;:&quot;&quot;}],&quot;type&quot;:&quot;accordion&quot;}\" data-widget_type=\"cmsmasters-toggles.default\">\n\t\t\t\t\t<div class=\"elementor-widget-cmsmasters-toggles__list\"><div class=\"elementor-widget-cmsmasters-toggles__item\"><h3 id=\"elementor-tab-title-2311\" class=\"elementor-widget-cmsmasters-toggles__title\" data-tab=\"1\" aria-expanded=\"false\" aria-controls=\"elementor-widget-cmsmasters-toggles__content-2311\" tabindex=\"0\"><a class=\"elementor-widget-cmsmasters-toggles__title-link cmsmasters_enable_trigger_icon\" href=\"#\" tabindex=\"-1\"><span class=\"elementor-widget-cmsmasters-toggles__item-icon\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-far-file-pdf\" viewBox=\"0 0 384 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M369.9 97.9L286 14C277 5 264.8-.1 252.1-.1H48C21.5 0 0 21.5 0 48v416c0 26.5 21.5 48 48 48h288c26.5 0 48-21.5 48-48V131.9c0-12.7-5.1-25-14.1-34zM332.1 128H256V51.9l76.1 76.1zM48 464V48h160v104c0 13.3 10.7 24 24 24h104v288H48zm250.2-143.7c-12.2-12-47-8.7-64.4-6.5-17.2-10.5-28.7-25-36.8-46.3 3.9-16.1 10.1-40.6 5.4-56-4.2-26.2-37.8-23.6-42.6-5.9-4.4 16.1-.4 38.5 7 67.1-10 23.9-24.9 56-35.4 74.4-20 10.3-47 26.2-51 46.2-3.3 15.8 26 55.2 76.1-31.2 22.4-7.4 46.8-16.5 68.4-20.1 18.9 10.2 41 17 55.8 17 25.5 0 28-28.2 17.5-38.7zm-198.1 77.8c5.1-13.7 24.5-29.5 30.4-35-19 30.3-30.4 35.7-30.4 35zm81.6-190.6c7.4 0 6.7 32.1 1.8 40.8-4.4-13.9-4.3-40.8-1.8-40.8zm-24.4 136.6c9.7-16.9 18-37 24.7-54.7 8.3 15.1 18.9 27.2 30.1 35.5-20.8 4.3-38.9 13.1-54.8 19.2zm131.6-5s-5 6-37.3-7.8c35.1-2.6 40.9 5.4 37.3 7.8z\"><\/path><\/svg><\/span><span class=\"elementor-widget-cmsmasters-toggles__title-text\">Phase Purity with X-ray Diffraction<\/span><\/a><span class=\"elementor-widget-cmsmasters-toggles__trigger\"><span class=\"elementor-widget-cmsmasters-toggles__trigger-closed\"><i aria-hidden=\"true\" aria-label=\"Closed\" class=\"cmsmsdemo-icon- cmsms-demo-icon-plus\"><\/i><\/span><span class=\"elementor-widget-cmsmasters-toggles__trigger-opened\"><i aria-hidden=\"true\" aria-label=\"Opened\" class=\"cmsmsdemo-icon- cmsms-demo-icon-minus\"><\/i><\/span><\/span><\/h3><div id=\"elementor-widget-cmsmasters-toggles__content-2311\" class=\"elementor-widget-cmsmasters-toggles__content elementor-clearfix\" data-tab=\"1\"><h4>X-ray Diffraction \u2013 Purity Analysis of Bone Substitutes<\/h4>\n<h5>Problem Statement<\/h5>\n<p>The mineral hydroxylapatite \u2013 Ca5(OH)(PO4)3 \u2013 is a main component of human bone substance and has proven itself as an implant material for surgical applications.<br \/>Calcium compounds exist with a similar chemical composition but with a different crystal structure and consequently altered or undesirable properties regarding biocompatibility or resorption rate.<\/p>\n<h5>Solution<\/h5>\n<p>X-ray diffraction allows the identification and quantitative detection of foreign phases.<br \/>For the example shown in Figure 1, the hydroxylapatite contains traces of calcium oxide (marked by reflections with arrows).<br \/>The method is described in standard ISO 13779-3.<br \/>Another important property that can be determined by X-ray diffraction is the degree of crystallinity of the sample.<br \/>Amorphous components demonstrably have higher solubility and can be resorbed more quickly in the body.<br \/>An evaluation of the peak width in the diffraction pattern allows conclusions about crystallite size.<br \/>The size and shape of hydroxylapatite crystals (HA) are additionally investigated using electron microscopy (see Fig. 2).<\/p>\n<h5>Industries &amp; Applications<\/h5>\n<ul>\n<li>Medical Technology<\/li>\n<\/ul>\n<h5>Objectives<\/h5>\n<p>Product Development, Quality Assurance, Failure Analysis<\/p>\n<h5>Materials<\/h5>\n<p>Crystalline Solids, Bone Cements<\/p>\n<h5>Analysis Methods<\/h5>\n<ul>\n<li>X-ray Diffractometry (XRD)<\/li>\n<li>Wide-Angle X-ray Scattering (WAXS)<\/li>\n<\/ul>\n<h5>Complementary Methods<\/h5>\n<ul>\n<li>X-ray Fluorescence (XRF)<\/li>\n<li>Electron Microscopy<\/li>\n<\/ul>\n<h5>Advantages<\/h5>\n<p>X-ray diffraction allows statements regarding phase purity, crystallinity, and crystallite size. These are parameters that must be checked for quality assurance according to standards. In addition to the application example from medical technology, this technique can also distinguish various modifications of the white pigment titanium dioxide or various calcium sulfates (gypsum, bassanite, anhydrite, etc.). For the analysis of hydroxylapatite, Analytik Service Obernburg GmbH also offers the possibility to analyze the Ca:P ratio and heavy metal freedom by X-ray fluorescence (XRF). The ICP-OES method allows the analysis of heavy metal impurities even in the lowest concentrations.    <\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-35785\" src=\"https:\/\/aso-labor.de\/wp-content\/uploads\/2025\/03\/Beugungsdiagramm-einer-Pulverprobe.jpeg\" alt=\"Figure 1: Diffraction pattern of a powder sample plotted as intensity versus diffraction angle (blue line, top). For comparison, below are reflection positions and intensities from a database for hydroxylapatite (green) and calcium oxide (red).\" width=\"758\" height=\"544\"><\/p>\n<p><strong>Figure 1:<\/strong> Diffraction pattern of a powder sample plotted as intensity versus diffraction angle (blue line, top). For comparison, below are reflection positions and intensities from a database for hydroxylapatite (green) and calcium oxide (red). <\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-35784\" src=\"https:\/\/aso-labor.de\/wp-content\/uploads\/2025\/03\/Visualisierung-der-Nadelstruktur.jpeg\" alt=\"Figure 2: Visualization of the needle structure and size of hydroxylapatite crystals using transmission electron microscopy.\" width=\"885\" height=\"620\"><\/p>\n<p><strong>Figure 2:<\/strong> Visualization of the needle structure and size of hydroxylapatite crystals using transmission electron microscopy.<\/p>\n<\/div><\/div> <script type=\"application\/ld+json\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Phase Purity with X-ray Diffraction\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<h4>X-ray Diffraction \\u2013 Purity Analysis of Bone Substitutes<\\\/h4>\\n<h5>Problem Statement<\\\/h5>\\n<p>The mineral hydroxylapatite \\u2013 Ca5(OH)(PO4)3 \\u2013 is a main component of human bone substance and has proven itself as an implant material for surgical applications.<br \\\/>Calcium compounds exist with a similar chemical composition but with a different crystal structure and consequently altered or undesirable properties regarding biocompatibility or resorption rate.<\\\/p>\\n<h5>Solution<\\\/h5>\\n<p>X-ray diffraction allows the identification and quantitative detection of foreign phases.<br \\\/>For the example shown in Figure 1, the hydroxylapatite contains traces of calcium oxide (marked by reflections with arrows).<br \\\/>The method is described in standard ISO 13779-3.<br \\\/>Another important property that can be determined by X-ray diffraction is the degree of crystallinity of the sample.<br \\\/>Amorphous components demonstrably have higher solubility and can be resorbed more quickly in the body.<br \\\/>An evaluation of the peak width in the diffraction pattern allows conclusions about crystallite size.<br \\\/>The size and shape of hydroxylapatite crystals (HA) are additionally investigated using electron microscopy (see Fig. 2).<\\\/p>\\n<h5>Industries &amp; Applications<\\\/h5>\\n<ul>\\n<li>Medical Technology<\\\/li>\\n<\\\/ul>\\n<h5>Objectives<\\\/h5>\\n<p>Product Development, Quality Assurance, Failure Analysis<\\\/p>\\n<h5>Materials<\\\/h5>\\n<p>Crystalline Solids, Bone Cements<\\\/p>\\n<h5>Analysis Methods<\\\/h5>\\n<ul>\\n<li>X-ray Diffractometry (XRD)<\\\/li>\\n<li>Wide-Angle X-ray Scattering (WAXS)<\\\/li>\\n<\\\/ul>\\n<h5>Complementary Methods<\\\/h5>\\n<ul>\\n<li>X-ray Fluorescence (XRF)<\\\/li>\\n<li>Electron Microscopy<\\\/li>\\n<\\\/ul>\\n<h5>Advantages<\\\/h5>\\n<p>X-ray diffraction allows statements regarding phase purity, crystallinity, and crystallite size. These are parameters that must be checked for quality assurance according to standards. In addition to the application example from medical technology, this technique can also distinguish various modifications of the white pigment titanium dioxide or various calcium sulfates (gypsum, bassanite, anhydrite, etc.). For the analysis of hydroxylapatite, Analytik Service Obernburg GmbH also offers the possibility to analyze the Ca:P ratio and heavy metal freedom by X-ray fluorescence (XRF). The ICP-OES method allows the analysis of heavy metal impurities even in the lowest concentrations.    <\\\/p>\\n<p><img class=\\\"alignnone size-full wp-image-35785\\\" src=\\\"https:\\\/\\\/aso-labor.de\\\/wp-content\\\/uploads\\\/2025\\\/03\\\/Beugungsdiagramm-einer-Pulverprobe.jpeg\\\" alt=\\\"Figure 1: Diffraction pattern of a powder sample plotted as intensity versus diffraction angle (blue line, top). For comparison, below are reflection positions and intensities from a database for hydroxylapatite (green) and calcium oxide (red).\\\" width=\\\"758\\\" height=\\\"544\\\"><\\\/p>\\n<p><strong>Figure 1:<\\\/strong> Diffraction pattern of a powder sample plotted as intensity versus diffraction angle (blue line, top). For comparison, below are reflection positions and intensities from a database for hydroxylapatite (green) and calcium oxide (red). <\\\/p>\\n<p><img class=\\\"alignnone size-full wp-image-35784\\\" src=\\\"https:\\\/\\\/aso-labor.de\\\/wp-content\\\/uploads\\\/2025\\\/03\\\/Visualisierung-der-Nadelstruktur.jpeg\\\" alt=\\\"Figure 2: Visualization of the needle structure and size of hydroxylapatite crystals using transmission electron microscopy.\\\" width=\\\"885\\\" height=\\\"620\\\"><\\\/p>\\n<p><strong>Figure 2:<\\\/strong> Visualization of the needle structure and size of hydroxylapatite crystals using transmission electron microscopy.<\\\/p>\\n\"}}]}<\/script> <\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"featured_media":37279,"template":"","class_list":["post-37278","methoden","type-methoden","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/aso-labor.de\/en\/wp-json\/wp\/v2\/methoden\/37278","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aso-labor.de\/en\/wp-json\/wp\/v2\/methoden"}],"about":[{"href":"https:\/\/aso-labor.de\/en\/wp-json\/wp\/v2\/types\/methoden"}],"version-history":[{"count":2,"href":"https:\/\/aso-labor.de\/en\/wp-json\/wp\/v2\/methoden\/37278\/revisions"}],"predecessor-version":[{"id":38210,"href":"https:\/\/aso-labor.de\/en\/wp-json\/wp\/v2\/methoden\/37278\/revisions\/38210"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aso-labor.de\/en\/wp-json\/wp\/v2\/media\/37279"}],"wp:attachment":[{"href":"https:\/\/aso-labor.de\/en\/wp-json\/wp\/v2\/media?parent=37278"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}