{"id":253,"date":"2015-01-15T07:17:55","date_gmt":"2015-01-15T06:17:55","guid":{"rendered":"http:\/\/www.argia.eus\/blogak\/jon-ander-galarraga\/?p=253"},"modified":"2015-01-15T07:17:55","modified_gmt":"2015-01-15T06:17:55","slug":"metal-astunak-konpostean","status":"publish","type":"post","link":"https:\/\/blogak.argia.eus\/jon-ander-galarraga\/2015\/01\/15\/metal-astunak-konpostean\/","title":{"rendered":"Metal astunak konpostean"},"content":{"rendered":"<p>Konpostaren aurkako aktibista askoren argumetu izan ohi dira metal astunak. izan ere, konpostaren analisiak egitean hauen presentzia agertzen baita eta honek, osasun arazoen gaia pizten du.\u00a0Gai interesgarri eta polemikoa izanik, eguberrietako deskantsu handiaren ostean, metal astunetaz hitzegiten hasiko dugu 2015a.<\/p>\n<p>Orokorrean metal astuna deritze, ingurumen edo osasunaren aldetik kalteren bat sor dezakeen metalei.\u00a0Ikusten denez, definizio hau nahiko lausoa da eta gaur egun ez dagoen akordio borobilik metal astunaren definizio zehatzean. Hala ete guztiz ere, metal astunak presente daude\u00a0inguru eta arlo ezberdinetan, eta\u00a0inguru zein arlo hauen arabera,\u00a0metal astun mota ezberdinekin topatzen gara.<\/p>\n<p>Konpostaren munduan aztertzen diren metal astuna ohikoenak\u00a0ondokoak dira: Kadmioa, Kobrea, Nikela, Beruna, Zinka, Merkurioa eta Kromoa.<\/p>\n<p>Metal astun hauek\u00a0bi jatorri izan ditzazkete, konpostagailua dagoen lurzoan bertan egon daitezke\u00a0edo\u00a0konpostagailura botatzen ditugun hondakin organikoetan eduki dezakete jatorria. Izan ere, egunero kontsumitzen ditugun elikagaietan metal astunen presentzia egon ohi da,\u00a0haragi, arrain eta landareen organismoen zati baitira metal astunak, eta ez soilik haragi-arrain eta sukaldaturiko hondakinetan!\u00a0Gizakiok ere baditugu metal astunak gure barrenean, porportzio jakin baten barruan ezinbestekoak gure eguneroko aktibitatea burutzeko, baina badira metal astun batzuk ez dutenak gure organismoak funtzio jakinik eta beraien kontzentrazio altuak toxikoak izan daitezke, talde hauen barruan dago adibidez orain arte etxeko termometroetan edo piletan erabiltzen dugun Merkurioa.<\/p>\n<p>Konpostaren metal astunen analisi bat egiterakoan, arestian aipaturiko metal astun bakoitzaren\u00a0kontzentrazioak neurtzen dira<\/p>\n<p>Adibide moduan, hona hemen <a href=\"http:\/\/www.fraisoro.net\">FRAISORO<\/a>-k egiten duen analisien eta analisi bakoitzaren azalpena. <a href=\"http:\/\/www.fraisoro.net\/FraisoroAtariaDoku\/konpostinterpretazioa_v1.pdf\">http:\/\/www.fraisoro.net\/FraisoroAtariaDoku\/konpostinterpretazioa_v1.pdf<\/a><\/p>\n<p>Metal astunen presentziaren arabera, eta beste zenbait par\u00e1metro kontutan hartuta: germinazio tasa, bakterio patogenoen presentzia&#8230; konpostak balio batzuk lortuko ditu analisietan, balio hauen arabera, konposta A, B edo C kategorian sailkatuko da. A kategorian adibidez, produkzio ekologikoan erabili ahal den konposta da, teorian kalitaterik hoberena.<\/p>\n<p>Hala ere,\u00a0konposta analizatuko den estatuaren arabera,\u00a0A, B edo C kategoria lortzeko balioak ezberdinak dira,\u00a0adibidez, Espainiar estatuan A kategoria lortzeko, konpost lehor kilo batek\u00a0\u00a0ezin du 0,4 mg Merkurio baino gehiago eduki, Grezian aldiz 5 mg Merkuriotara iritsi daiteke. Guzti honekin aipatu nahi dena da, konpostaren kalitate analisien legedia oso lausoa dela, Europa mailan gauza bat esaten da eta Europa barreneko estatuetan bestea, baina agian lege guztiekin ere honela gertatzen da, ezta?<\/p>\n<p>Bitartean jarraitu konpostatzen, eta metal astunetaz kezkatu baino, kezkatu ongi aireztatzeaz.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Konpostaren aurkako aktibista askoren argumetu izan ohi dira metal astunak. izan ere, konpostaren analisiak egitean hauen presentzia agertzen baita eta honek, osasun arazoen gaia pizten du.\u00a0Gai interesgarri eta polemikoa izanik, eguberrietako deskantsu handiaren ostean, metal astunetaz hitzegiten hasiko dugu 2015a. Orokorrean metal astuna deritze, ingurumen edo osasunaren aldetik kalteren bat sor dezakeen metalei.\u00a0Ikusten denez, definizio [&hellip;]<\/p>\n","protected":false},"author":76,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,12,16],"tags":[],"class_list":["post-253","post","type-post","status-publish","format-standard","hentry","category-kimika","category-konpostagailuak","category-orokorra"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Metal astunak konpostean - Konpostazank!<\/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:\/\/blogak.argia.eus\/jon-ander-galarraga\/2015\/01\/15\/metal-astunak-konpostean\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Metal astunak konpostean - Konpostazank!\" \/>\n<meta property=\"og:description\" content=\"Konpostaren aurkako aktibista askoren argumetu izan ohi dira metal astunak. izan ere, konpostaren analisiak egitean hauen presentzia agertzen baita eta honek, osasun arazoen gaia pizten du.\u00a0Gai interesgarri eta polemikoa izanik, eguberrietako deskantsu handiaren ostean, metal astunetaz hitzegiten hasiko dugu 2015a. 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