{"id":12478,"date":"2025-03-25T12:31:46","date_gmt":"2025-03-25T12:31:46","guid":{"rendered":"https:\/\/nicoletcz.cz\/measurement-of-hydrogen-isomers-using-in-line-raman-spectroscopy\/"},"modified":"2025-03-25T12:31:46","modified_gmt":"2025-03-25T12:31:46","slug":"measurement-of-hydrogen-isomers-using-in-line-raman-spectroscopy","status":"publish","type":"post","link":"https:\/\/nicoletcz.cz\/en\/measurement-of-hydrogen-isomers-using-in-line-raman-spectroscopy\/","title":{"rendered":"Measurement of hydrogen isomers using in-line Raman spectroscopy"},"content":{"rendered":"<p>Hydrogen plays a key role in the future of energy due to its potential for decarbonization. In order to be used safely and efficiently, it is important to store and transport it in a liquid state, which requires temperatures around 20 K. Under these conditions, the conversion of ortho- and para-hydrogen takes place, which is essential for minimizing energy losses and preventing hydrogen evaporation during storage. <\/p>\n<p>At room temperature, orthohydrogen makes up approximately 75% of the hydrogen molecule mixture, while parahydrogen makes up the remaining 25%. This ratio changes with decreasing temperature, with almost 100% of the hydrogen in the paraform, which is thermodynamically more stable, at 20 K. However, the process of converting orthohydrogen to parahydrogen is exergonic and generates a large amount of heat, which can cause the stored liquid hydrogen to evaporate.  <\/p>\n<p><strong>Raman spectroscopy<\/strong> is an ideal method to monitor this process. It provides fast and accurate information on the ratio of ortho- and para-hydrogen, which is crucial for optimizing industrial processes such as liquid hydrogen production. <\/p>\n<figure id=\"attachment_12240\" aria-describedby=\"caption-attachment-12240\" style=\"width: 500px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-12240\" src=\"https:\/\/nicoletcz.cz\/app\/uploads\/2024\/10\/a33db7af-300x230.png\" alt=\"\" width=\"500\" height=\"383\" srcset=\"https:\/\/nicoletcz.cz\/app\/uploads\/2024\/10\/a33db7af-300x230.png 300w, https:\/\/nicoletcz.cz\/app\/uploads\/2024\/10\/a33db7af.png 649w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><figcaption id=\"caption-attachment-12240\" class=\"wp-caption-text\">Raman bands of different hydrogen isomers<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<p><strong>Advantages of Raman spectroscopy<\/strong><\/p>\n<p>Raman spectroscopy is becoming increasingly popular in industrial applications due to its speed and ease of implementation, and in terms of hydrogen monitoring, it provides the following advantages in particular:<\/p>\n<ul>\n<li><strong>Fast measurements<\/strong>: Thanks to short response times, processes can be monitored in real time.<\/li>\n<li><strong>Robustness under extreme conditions<\/strong>: Raman spectroscopy works even in cryogenic conditions, making it ideal for measuring liquid hydrogen at low temperatures.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><strong>Practical use<\/strong><\/p>\n<p>In the industrial production of liquid hydrogen, catalysts are used to accelerate the conversion of orthohydrogen to parahydrogen. A slow conversion process could lead to overheating and subsequent evaporation of hydrogen. By using Raman spectroscopy, it is possible to monitor the efficiency of this catalytic reaction in real time, which allows increasing the efficiency of the entire process.  <\/p>\n<p>The use of <a href=\"https:\/\/nicoletcz.cz\/en\/product\/marqmetrix-ail-in-one\/\"><strong>in-line Raman spectroscopy<\/strong><\/a> allows continuous monitoring of hydrogen composition and isomer conversion rates, ensuring the stability and safety of stored hydrogen. You can learn more <a href=\"https:\/\/assets.thermofisher.com\/TFS-Assets\/CAD\/Reference-Materials\/measuring-hydrogen-raman-spec-article.pdf\">here<\/a>. <\/p>\n<figure id=\"attachment_12242\" aria-describedby=\"caption-attachment-12242\" style=\"width: 361px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-12242 size-full\" src=\"https:\/\/nicoletcz.cz\/app\/uploads\/2024\/10\/9d8071ba.png\" alt=\"\" width=\"361\" height=\"541\" srcset=\"https:\/\/nicoletcz.cz\/app\/uploads\/2024\/10\/9d8071ba.png 361w, https:\/\/nicoletcz.cz\/app\/uploads\/2024\/10\/9d8071ba-200x300.png 200w\" sizes=\"(max-width: 361px) 100vw, 361px\" \/><figcaption id=\"caption-attachment-12242\" class=\"wp-caption-text\">High-pressure flow cell for Raman spectra measurement compatible with<a href=\"https:\/\/nicoletcz.cz\/en\/product\/marqmetrix-ail-in-one\/\"> our Raman spectrometers<\/a><\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hydrogen plays a key role in the future of energy due to its potential for decarbonization. In order to be used safely and efficiently, it is important to store and transport it in a liquid state, which requires temperatures around 20 K. Under these conditions, the conversion of ortho- and para-hydrogen takes place, which is [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":12245,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[129,33],"tags":[],"class_list":["post-12478","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-2024-en","category-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Measurement of hydrogen isomers using in-line Raman spectroscopy - NicoletCZ<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/nicoletcz.cz\/en\/measurement-of-hydrogen-isomers-using-in-line-raman-spectroscopy\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Measurement of hydrogen isomers using in-line Raman spectroscopy - NicoletCZ\" \/>\n<meta property=\"og:description\" content=\"Hydrogen plays a key role in the future of energy due to its potential for decarbonization. In order to be used safely and efficiently, it is important to store and transport it in a liquid state, which requires temperatures around 20 K. Under these conditions, the conversion of ortho- and para-hydrogen takes place, which is [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/nicoletcz.cz\/en\/measurement-of-hydrogen-isomers-using-in-line-raman-spectroscopy\/\" \/>\n<meta property=\"og:site_name\" content=\"NicoletCZ\" \/>\n<meta property=\"article:published_time\" content=\"2025-03-25T12:31:46+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/nicoletcz.cz\/app\/uploads\/2024\/10\/3ab49a0e.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1785\" \/>\n\t<meta property=\"og:image:height\" content=\"482\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Ereandil\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Ereandil\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/nicoletcz.cz\/en\/measurement-of-hydrogen-isomers-using-in-line-raman-spectroscopy\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/nicoletcz.cz\/en\/measurement-of-hydrogen-isomers-using-in-line-raman-spectroscopy\/\"},\"author\":{\"name\":\"Ereandil\",\"@id\":\"https:\/\/nicoletcz.cz\/#\/schema\/person\/cf4400450dc24ed102534876f02fc253\"},\"headline\":\"Measurement of hydrogen isomers using in-line Raman spectroscopy\",\"datePublished\":\"2025-03-25T12:31:46+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/nicoletcz.cz\/en\/measurement-of-hydrogen-isomers-using-in-line-raman-spectroscopy\/\"},\"wordCount\":366,\"publisher\":{\"@id\":\"https:\/\/nicoletcz.cz\/#organization\"},\"image\":{\"@id\":\"https:\/\/nicoletcz.cz\/en\/measurement-of-hydrogen-isomers-using-in-line-raman-spectroscopy\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/nicoletcz.cz\/app\/uploads\/2024\/10\/3ab49a0e.png\",\"articleSection\":[\"2024\",\"News\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/nicoletcz.cz\/en\/measurement-of-hydrogen-isomers-using-in-line-raman-spectroscopy\/\",\"url\":\"https:\/\/nicoletcz.cz\/en\/measurement-of-hydrogen-isomers-using-in-line-raman-spectroscopy\/\",\"name\":\"Measurement of hydrogen isomers using in-line Raman spectroscopy - 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