{"id":9186,"date":"2023-12-04T16:35:13","date_gmt":"2023-12-04T15:35:13","guid":{"rendered":"https:\/\/www.em-grade.com\/product\/paraformaldehyde-granulated\/"},"modified":"2026-07-17T11:50:47","modified_gmt":"2026-07-17T09:50:47","slug":"paraformaldehyde-granulated","status":"publish","type":"product","link":"https:\/\/www.em-grade.com\/it\/prodotto\/paraformaldehyde-granulated\/","title":{"rendered":"Paraformaldehyde (PFA), granulated 250gr."},"content":{"rendered":"<p>Paraformaldehyde is the condensation product of methylene glycol, a substance not so far isolated in its pure form; it is a white solid with a formaldehyde content between 78 and 98% and is supplied either as a Prill or Granular. All forms contain more than 95.5% paraformaldehyde content. The Prill and Granular forms are small, free-flowing, dust-free beads, the most desired by EM users. A fast-penetrating EM fixative used in combination with Glutaraldehyde, Acrolein, and Osmium Tetroxide. Karnovsky, M.J., J. Cell Biol., 27, 137A (1965). Hayat, M.A. Principles &amp; Tech., of EM (Univ. Park Press), 68 (1981).<\/p>\n","protected":false},"excerpt":{"rendered":"<ul>\n<li><strong>Ultrapure Quality solid form.<\/strong><\/li>\n<li><strong> Purified Granular<\/strong><\/li>\n<li><strong>EM Grade,\u00a0<\/strong><\/li>\n<li><strong>Formula :OH(CH<sub>2<\/sub>O)<sub>n<\/sub> H\u00a0<\/strong><\/li>\n<li><strong>F.W., P.M.\u00a0 : 600 \u00a0 <\/strong><\/li>\n<li><strong>CAS #30525-89-4<\/strong><\/li>\n<\/ul>\n","protected":false},"featured_media":9187,"template":"","meta":{"_acf_changed":false,"_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","_seopress_news_disabled":"","_seopress_video_disabled":"","_seopress_video":[],"_seopress_pro_schemas_manual":[],"_seopress_pro_rich_snippets_disable_all":"","_seopress_pro_rich_snippets_disable":[],"_seopress_pro_schemas":[],"itsec_x_frame_options":""},"product_brand":[],"product_cat":[853],"product_tag":[],"class_list":["post-9186","product","type-product","status-publish","has-post-thumbnail","product_cat-vari-reagenti","pa_volume-250g-it","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.em-grade.com\/it\/wp-json\/wp\/v2\/product\/9186","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.em-grade.com\/it\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.em-grade.com\/it\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.em-grade.com\/it\/wp-json\/wp\/v2\/media\/9187"}],"wp:attachment":[{"href":"https:\/\/www.em-grade.com\/it\/wp-json\/wp\/v2\/media?parent=9186"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.em-grade.com\/it\/wp-json\/wp\/v2\/product_brand?post=9186"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.em-grade.com\/it\/wp-json\/wp\/v2\/product_cat?post=9186"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.em-grade.com\/it\/wp-json\/wp\/v2\/product_tag?post=9186"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}