{"id":50820,"date":"2026-04-24T14:34:48","date_gmt":"2026-04-24T12:34:48","guid":{"rendered":"https:\/\/smart-elements.com\/?post_type=product&#038;p=50820"},"modified":"2026-04-24T14:39:47","modified_gmt":"2026-04-24T12:39:47","slug":"praseodymium-metaphosphate-glass-pr%c2%b3%e2%81%ba-high-purity-rare-earth-glass","status":"publish","type":"product","link":"https:\/\/smart-elements.com\/de\/shop\/praseodymium-metaphosphate-glass-pr%c2%b3%e2%81%ba-high-purity-rare-earth-glass\/","title":{"rendered":"Praseodymium Metaphosphate Glass (Pr\u00b3\u207a) \u2013 High-Purity Rare Earth Glass"},"content":{"rendered":"<p data-start=\"176\" data-end=\"485\">These vivid green glass pieces are made from <strong data-start=\"221\" data-end=\"251\">praseodymium metaphosphate<\/strong>, a rare-earth phosphate glass with a remarkably high concentration of praseodymium ions. The intense coloration originates from characteristic <strong data-start=\"395\" data-end=\"426\">Pr\u00b3\u207a electronic transitions<\/strong>, giving the glass its distinctive bright green appearance.<\/p>\n<p data-start=\"487\" data-end=\"622\">Each piece is carefully melted and formed to produce a <strong data-start=\"542\" data-end=\"589\">bubble-free, optically homogeneous material<\/strong> with a smooth and shiny surface<\/p>\n<p data-section-id=\"1iz91iu\" data-start=\"629\" data-end=\"645\">Key Features<\/p>\n<ul data-start=\"647\" data-end=\"922\">\n<li data-section-id=\"19ezjrx\" data-start=\"647\" data-end=\"703\"><strong data-start=\"649\" data-end=\"665\">Composition:<\/strong> Pr(PO\u2083)\u2083 (Praseodymium metaphosphate)<\/li>\n<li data-section-id=\"1nfdu22\" data-start=\"704\" data-end=\"750\"><strong data-start=\"706\" data-end=\"731\">Praseodymium content:<\/strong> ~25 mol% (as Pr\u00b3\u207a)<\/li>\n<li data-section-id=\"1pmpokf\" data-start=\"751\" data-end=\"794\"><strong data-start=\"753\" data-end=\"768\">Appearance:<\/strong> Bright, transparent green<\/li>\n<li data-section-id=\"so56g1\" data-start=\"795\" data-end=\"837\"><strong data-start=\"797\" data-end=\"811\">Structure:<\/strong> Amorphous phosphate glass<\/li>\n<li data-section-id=\"c372m2\" data-start=\"883\" data-end=\"922\"><strong data-start=\"885\" data-end=\"894\">Form:<\/strong> Solid polished glass pieces<\/li>\n<\/ul>\n<p data-section-id=\"wggvqn\" data-start=\"1177\" data-end=\"1193\">Bewerbungen<\/p>\n<ul data-start=\"1195\" data-end=\"1345\">\n<li data-section-id=\"1y3gr1s\" data-start=\"1195\" data-end=\"1239\">Optical and spectroscopic demonstrations<\/li>\n<li data-section-id=\"wiclph\" data-start=\"1240\" data-end=\"1275\">Rare-earth material collections<\/li>\n<li data-section-id=\"19bw2og\" data-start=\"1276\" data-end=\"1313\">Educational and research purposes<\/li>\n<li data-section-id=\"1va1iy9\" data-start=\"1314\" data-end=\"1345\">Decorative scientific glass<\/li>\n<\/ul>\n<p data-start=\"1363\" data-end=\"1592\">This is <strong data-start=\"1371\" data-end=\"1392\">not a doped glass<\/strong>, but a <strong data-start=\"1400\" data-end=\"1439\">true rare-earth metaphosphate glass<\/strong>, where praseodymium is a major structural component. As a result, it exhibits significantly higher rare-earth content than conventional optical glasses.<\/p>\n<p data-start=\"1594\" data-end=\"1715\">Due to the phosphate glass nature, prolonged exposure to high humidity should be avoided for optimal long-term stability.<\/p>","protected":false},"excerpt":{"rendered":"<p>Praseodymium Metaphosphate Glass (Pr\u00b3\u207a) \u2013 High-Purity Rare Earth Glass<\/p>\n<p>You get one glass bead with a weight of 2.5 &#8211; 3 grams each<\/p>","protected":false},"featured_media":50821,"template":"","meta":{"_acf_changed":false,"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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[23,365,57],"product_tag":[],"class_list":{"0":"post-50820","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-doped-optical-crystals-glass","7":"product_cat-phosphate-glass-doped-optical-crystals-glass","8":"product_cat-pr","9":"desktop-align-left","10":"tablet-align-left","11":"mobile-align-left","12":"ast-product-gallery-layout-horizontal-slider","13":"ast-product-gallery-with-no-image","14":"ast-product-tabs-layout-horizontal","15":"ast-qv-on-image","17":"first","18":"instock","19":"taxable","20":"shipping-taxable","21":"purchasable","22":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/smart-elements.com\/de\/wp-json\/wp\/v2\/product\/50820","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/smart-elements.com\/de\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/smart-elements.com\/de\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":1,"href":"https:\/\/smart-elements.com\/de\/wp-json\/wp\/v2\/product\/50820\/revisions"}],"predecessor-version":[{"id":50822,"href":"https:\/\/smart-elements.com\/de\/wp-json\/wp\/v2\/product\/50820\/revisions\/50822"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/smart-elements.com\/de\/wp-json\/wp\/v2\/media\/50821"}],"wp:attachment":[{"href":"https:\/\/smart-elements.com\/de\/wp-json\/wp\/v2\/media?parent=50820"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/smart-elements.com\/de\/wp-json\/wp\/v2\/product_brand?post=50820"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/smart-elements.com\/de\/wp-json\/wp\/v2\/product_cat?post=50820"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/smart-elements.com\/de\/wp-json\/wp\/v2\/product_tag?post=50820"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}