{"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 v28.7 (Yoast SEO v28.7) - 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=\"Muchas otras empresas est\u00e1n tomando medidas para evitar por completo o proteger a los trabajadores de la exposici\u00f3n a sustancias cancer\u00edgenas.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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