{"id":44677,"date":"2023-07-26T11:48:41","date_gmt":"2023-07-26T11:48:41","guid":{"rendered":"https:\/\/stopcarcinogensatwork.eu\/good-practice\/alternativa-al-formaldehido-como-conservante-en-muestras-de-agua\/"},"modified":"2025-09-04T11:38:55","modified_gmt":"2025-09-04T11:38:55","slug":"alternativa-al-formaldehido-como-conservante-en-muestras-de-agua","status":"publish","type":"good-practice","link":"https:\/\/stopcarcinogensatwork.eu\/es\/good-practice\/alternativa-al-formaldehido-como-conservante-en-muestras-de-agua\/","title":{"rendered":"Alternativa al Formaldeh\u00eddo como conservante en muestras de agua"},"content":{"rendered":"<p>Los bioindicadores de macroinvertebrados se utilizan para evaluar la calidad biol\u00f3gica del agua. Tradicionalmente, el material biol\u00f3gico de las muestras se conserva utilizando Formaldeh\u00eddo, que es cancer\u00edgeno y sensibilizante. <\/p>\n<h2>Un m\u00e9todo alternativo<\/h2>\n<p>Un m\u00e9todo alternativo publicado por la Direction Regionale de l&#8217;Environnement (DREN) Lorraine-France utiliza medios menos peligrosos. Consiste en elutriar las muestras y separar una parte flotante concentrada en invertebrados que se conserva en etanol y una parte sedimentada (arena, piedras) que se congela in situ. Las muestras demasiado peque\u00f1as para ser elutriadas se conservan \u00edntegramente en etanol, las que no pueden ser elutriadas (sedimentos) se congelan \u00edntegramente.  <\/p>\n","protected":false},"template":"","sector":[],"carcinogens":[1597],"stop":[2061],"country":[2270],"class_list":["post-44677","good-practice","type-good-practice","status-publish","hentry","carcinogens-formaldehido","stop-sustitucion","country-francia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.0 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Alternativa al Formaldeh\u00eddo como conservante en muestras de agua<\/title>\n<meta name=\"description\" content=\"Many other companies are taking measures to completely avoid or protect workers from exposure to carcinogenic substances.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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