{"id":1424,"date":"2026-02-27T14:58:38","date_gmt":"2026-02-27T13:58:38","guid":{"rendered":"https:\/\/sites.unica.it\/hydrochar\/?page_id=1424"},"modified":"2026-03-26T17:28:47","modified_gmt":"2026-03-26T16:28:47","slug":"standard-protocol-to-measure-carbon-stability","status":"publish","type":"page","link":"https:\/\/sites.unica.it\/hydrochar\/research-outputs\/standard-protocol-to-measure-carbon-stability\/","title":{"rendered":"Standard Protocol to Measure Carbon Stability"},"content":{"rendered":"\n<p>On this page, you can find the <strong>Standard Protocol for measuring carbon stability in hydrochar under dry storage conditions<\/strong>.<\/p>\n\n\n\n<p>As part of the activities of the <a href=\"https:\/\/sites.unica.it\/hydrochar\/about-us\/working-groups-and-tasks\/\" data-type=\"page\" data-id=\"1239\">Research &amp; Development Working Group<\/a>, we have developed a standardized experimental protocol to assess carbon stability in hydrochar. This protocol is intended to be applied in an interlaboratory ring test involving different laboratories.<\/p>\n\n\n\n<p>The document was developed during the two workshops held in Potsdam and online, in <a href=\"https:\/\/sites.unica.it\/hydrochar\/2025\/11\/20\/workshop-assessment-of-roadmap-progress-towards-a-common-experimental-protocol-for-testing-the-carbon-stability-of-hydrochar\/\" data-type=\"post\" data-id=\"581\">July 2025<\/a> and <a href=\"https:\/\/sites.unica.it\/hydrochar\/2025\/12\/02\/workshop-2nd-workshop-on-carbon-stability-of-hydrochar\/\" data-type=\"post\" data-id=\"862\">March 2026<\/a>, respectively.<\/p>\n\n\n\n<p>Check the <strong>report<\/strong> of the 2nd workshop:<\/p>\n\n\n\n<div data-wp-interactive=\"core\/file\" class=\"wp-block-file\"><object data-wp-bind--hidden=\"!state.hasPdfPreview\" hidden class=\"wp-block-file__embed\" data=\"https:\/\/sites.unica.it\/hydrochar\/files\/2026\/03\/Final-Report_C-Stability-Workshop_v2.pdf\" type=\"application\/pdf\" style=\"width:100%;height:250px\" aria-label=\"Embed of Final Report_C Stability Workshop_v2.\"><\/object><a id=\"wp-block-file--media-3c746082-f830-4ef7-8557-c6eeca99ce2a\" href=\"https:\/\/sites.unica.it\/hydrochar\/files\/2026\/03\/Final-Report_C-Stability-Workshop_v2.pdf\">Final Report_C Stability Workshop_v2<\/a><a href=\"https:\/\/sites.unica.it\/hydrochar\/files\/2026\/03\/Final-Report_C-Stability-Workshop_v2.pdf\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-3c746082-f830-4ef7-8557-c6eeca99ce2a\">Download<\/a><\/div>\n\n\n\n<p>You may download the <strong>draft protocol<\/strong> here:<\/p>\n\n\n\n<div data-wp-interactive=\"core\/file\" class=\"wp-block-file\"><object data-wp-bind--hidden=\"!state.hasPdfPreview\" hidden class=\"wp-block-file__embed\" data=\"https:\/\/sites.unica.it\/hydrochar\/files\/2026\/03\/Hydrochar_Abiotic_Stability_Protocol_draft_Final.pdf\" type=\"application\/pdf\" style=\"width:100%;height:290px\" aria-label=\"Embed of Hydrochar_Abiotic_Stability_Protocol_draft_Final.\"><\/object><a id=\"wp-block-file--media-129e8b38-2ec6-41c1-ab08-ef46f0c6168d\" href=\"https:\/\/sites.unica.it\/hydrochar\/files\/2026\/03\/Hydrochar_Abiotic_Stability_Protocol_draft_Final.pdf\">Hydrochar_Abiotic_Stability_Protocol_draft_Final<\/a><a href=\"https:\/\/sites.unica.it\/hydrochar\/files\/2026\/03\/Hydrochar_Abiotic_Stability_Protocol_draft_Final.pdf\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-129e8b38-2ec6-41c1-ab08-ef46f0c6168d\">Download<\/a><\/div>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"465\" src=\"http:\/\/sites.unica.it\/hydrochar\/files\/2026\/03\/Abstract_workshop-1024x465.png\" alt=\"Infographic illustrating a standardized protocol for assessing carbon stability in hydrochar under abiotic storage. The diagram shows sealed dry reactors, hydrochar and biochar controls, sample preparation steps (oven drying, sieving, desiccator storage), experimental incubation at different temperatures (20\u201370\u00b0C) over time, and a dual monitoring strategy with sacrificial and closed bottles for gas and material analyses (GC, elemental analysis, FTIR, microscopy, pH\/EC). Expected outcomes include carbon stability assessment, standardized reporting, and cross-laboratory comparability.\" class=\"wp-image-1467\" style=\"width:1241px;height:auto\" srcset=\"https:\/\/sites.unica.it\/hydrochar\/files\/2026\/03\/Abstract_workshop-1024x465.png 1024w, https:\/\/sites.unica.it\/hydrochar\/files\/2026\/03\/Abstract_workshop-300x136.png 300w, https:\/\/sites.unica.it\/hydrochar\/files\/2026\/03\/Abstract_workshop-768x349.png 768w, https:\/\/sites.unica.it\/hydrochar\/files\/2026\/03\/Abstract_workshop-1536x698.png 1536w, https:\/\/sites.unica.it\/hydrochar\/files\/2026\/03\/Abstract_workshop-2048x930.png 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>If you have any questions or comments regarding the draft protocol, please <a href=\"https:\/\/sites.unica.it\/hydrochar\/contacts-us\/contact-us\/\" data-type=\"page\" data-id=\"537\">contact us<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Next steps<\/h2>\n\n\n\n<p>Interested in contributing to the finalization of the experimental protocol or participating in the ring test (Interlaboratory Experiment)?<\/p>\n\n\n\n<p>Please contact the <a href=\"https:\/\/sites.unica.it\/hydrochar\/about-us\/working-groups-and-tasks\/\" data-type=\"page\" data-id=\"1239\">Research &amp; Development Working Group<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"391\" src=\"https:\/\/sites.unica.it\/hydrochar\/files\/2026\/03\/Timeline-1024x391.png\" alt=\"Project timeline infographic showing six milestones from April 2025 to September 2026: identification of gaps and methodologies (April 2025), 1st workshop (July 2025), draft protocol (January 2026), 2nd workshop (March 2026), final protocol (May 2026), and ring test (September 2026). An arrow highlights the current stage at the 2nd workshop.\" class=\"wp-image-1469\" style=\"width:1241px;height:auto\" srcset=\"https:\/\/sites.unica.it\/hydrochar\/files\/2026\/03\/Timeline-1024x391.png 1024w, https:\/\/sites.unica.it\/hydrochar\/files\/2026\/03\/Timeline-300x115.png 300w, https:\/\/sites.unica.it\/hydrochar\/files\/2026\/03\/Timeline-768x293.png 768w, https:\/\/sites.unica.it\/hydrochar\/files\/2026\/03\/Timeline-1536x586.png 1536w, https:\/\/sites.unica.it\/hydrochar\/files\/2026\/03\/Timeline-2048x782.png 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-group alignfull has-contrast-color has-text-color is-vertical is-content-justification-center is-layout-flex wp-container-core-group-is-layout-84c28ab9 wp-block-group-is-layout-flex\" style=\"min-height:40vh;margin-top:0;margin-bottom:0;padding-top:var(--wp--preset--spacing--60);padding-right:var(--wp--preset--spacing--50);padding-bottom:var(--wp--preset--spacing--60);padding-left:var(--wp--preset--spacing--50)\"><div style=\"margin-bottom:6px;\" class=\"aligncenter wp-block-site-logo\"><a href=\"https:\/\/sites.unica.it\/hydrochar\/\" class=\"custom-logo-link\" rel=\"home\"><img loading=\"lazy\" decoding=\"async\" width=\"272\" height=\"103\" src=\"https:\/\/sites.unica.it\/hydrochar\/files\/2025\/11\/logoTEXT_new-scaled.png\" class=\"custom-logo\" alt=\"Hydrochar Network\" srcset=\"https:\/\/sites.unica.it\/hydrochar\/files\/2025\/11\/logoTEXT_new-scaled.png 2560w, https:\/\/sites.unica.it\/hydrochar\/files\/2025\/11\/logoTEXT_new-300x114.png 300w, https:\/\/sites.unica.it\/hydrochar\/files\/2025\/11\/logoTEXT_new-1024x389.png 1024w, https:\/\/sites.unica.it\/hydrochar\/files\/2025\/11\/logoTEXT_new-768x292.png 768w, https:\/\/sites.unica.it\/hydrochar\/files\/2025\/11\/logoTEXT_new-1536x583.png 1536w, https:\/\/sites.unica.it\/hydrochar\/files\/2025\/11\/logoTEXT_new-2048x777.png 2048w\" sizes=\"auto, (max-width: 272px) 100vw, 272px\" \/><\/a><\/div>\n\n\n<p class=\"has-text-align-center has-medium-font-size\">Follow us:<\/p>\n\n\n\n<ul class=\"wp-block-social-links has-normal-icon-size is-style-logos-only is-nowrap is-layout-flex wp-container-core-social-links-is-layout-65900438 wp-block-social-links-is-layout-flex\"><li class=\"wp-social-link wp-social-link-linkedin  wp-block-social-link\"><a href=\"https:\/\/linkedin.com\/company\/hydrochar-network\" class=\"wp-block-social-link-anchor\"><svg width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" aria-hidden=\"true\" focusable=\"false\"><path d=\"M19.7,3H4.3C3.582,3,3,3.582,3,4.3v15.4C3,20.418,3.582,21,4.3,21h15.4c0.718,0,1.3-0.582,1.3-1.3V4.3 C21,3.582,20.418,3,19.7,3z M8.339,18.338H5.667v-8.59h2.672V18.338z M7.004,8.574c-0.857,0-1.549-0.694-1.549-1.548 c0-0.855,0.691-1.548,1.549-1.548c0.854,0,1.547,0.694,1.547,1.548C8.551,7.881,7.858,8.574,7.004,8.574z M18.339,18.338h-2.669 v-4.177c0-0.996-0.017-2.278-1.387-2.278c-1.389,0-1.601,1.086-1.601,2.206v4.249h-2.667v-8.59h2.559v1.174h0.037 c0.356-0.675,1.227-1.387,2.526-1.387c2.703,0,3.203,1.779,3.203,4.092V18.338z\"><\/path><\/svg><span class=\"wp-block-social-link-label screen-reader-text\">LinkedIn<\/span><\/a><\/li><\/ul>\n<\/div>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>On this page, you can find the Standard Protocol for measuring carbon stability in hydrochar under dry storage conditions. As part of the activities of the Research &amp; Development Working Group, we have developed a standardized [&hellip;]<\/p>\n","protected":false},"author":3514,"featured_media":1402,"parent":1449,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-templates\/senza-sidebar.php","meta":{"footnotes":""},"class_list":["post-1424","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/sites.unica.it\/hydrochar\/wp-json\/wp\/v2\/pages\/1424","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sites.unica.it\/hydrochar\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sites.unica.it\/hydrochar\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sites.unica.it\/hydrochar\/wp-json\/wp\/v2\/users\/3514"}],"replies":[{"embeddable":true,"href":"https:\/\/sites.unica.it\/hydrochar\/wp-json\/wp\/v2\/comments?post=1424"}],"version-history":[{"count":12,"href":"https:\/\/sites.unica.it\/hydrochar\/wp-json\/wp\/v2\/pages\/1424\/revisions"}],"predecessor-version":[{"id":1606,"href":"https:\/\/sites.unica.it\/hydrochar\/wp-json\/wp\/v2\/pages\/1424\/revisions\/1606"}],"up":[{"embeddable":true,"href":"https:\/\/sites.unica.it\/hydrochar\/wp-json\/wp\/v2\/pages\/1449"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sites.unica.it\/hydrochar\/wp-json\/wp\/v2\/media\/1402"}],"wp:attachment":[{"href":"https:\/\/sites.unica.it\/hydrochar\/wp-json\/wp\/v2\/media?parent=1424"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}