{"id":8907,"date":"2021-03-21T17:38:48","date_gmt":"2021-03-21T15:38:48","guid":{"rendered":"https:\/\/eaukey.com\/?p=8907"},"modified":"2023-11-04T12:06:26","modified_gmt":"2023-11-04T10:06:26","slug":"notions-de-base-sur-leau-quelques-definitions","status":"publish","type":"post","link":"https:\/\/eaukey.com\/index.php\/2021\/03\/21\/notions-de-base-sur-leau-quelques-definitions\/","title":{"rendered":"Notions de base sur l\u2019eau : quelques d\u00e9finitions"},"content":{"rendered":"

Voici quelques d\u00e9finitions sur des caract\u00e9ristiques que l\u2019on peut trouver dans une eau.<\/p>\n

Une eau est dite incrustante<\/strong> quand elle tend \u00e0 d\u00e9poser du calcaire (CaCO3). On peut dire aussi que c\u2019est une eau \u00ab\u00a0entartrante\u00a0\u00bb.<\/p>\n

Une eau est dite agressive<\/strong> lorsqu\u2019elle tend \u00e0 attaquer ou \u00e0 dissoudre le calcaire et les mat\u00e9riaux qui en contiennent avec lesquels elle est en contact.<\/p>\n

Une eau est dite corrosive<\/strong> lorsqu\u2019elle tend \u00e0 attaquer et \u00e0 dissoudre les m\u00e9taux. Une eau agressive est g\u00e9n\u00e9ralement aussi corrosive mais l’inverse n’est pas forc\u00e9ment vrai. Les m\u00e9canismes de corrosion sont complexes. Ils peuvent \u00eatre d\u2019ordres chimiques, galvaniques<\/a> ou biologiques.<\/p>\n

La duret\u00e9<\/strong> d\u2019une eau est quantifi\u00e9e par sa teneur en calcium ; elle est exprim\u00e9e le plus souvent en mg\/L de CaCO3 \u00e9quivalent\u00a0 \u00e0 1 mg de calcium par litre. En France la duret\u00e9 s’exprime en degr\u00e9s : 1 degr\u00e9 correspond \u00e0 10 mg de calcaire par litre.<\/p>\n

Une eau est dite alcaline<\/strong> lorsque son Ph<\/a> est sup\u00e9rieur \u00e0 7.L\u2019alcalinit\u00e9 de l\u2019eau est due aux substances \u00e0 caract\u00e8re basique pr\u00e9sentes dans cette eau. Il s\u2019agit en g\u00e9n\u00e9ral de bicarbonates (HCO3 \u0304) ou de carbonates (CO3 \u0304 \u0304 ) ou des alcalis (OH \u0304) qui \u00e9l\u00e8vent le pH au dessus de 8,3.<\/p>\n

Une eau distill\u00e9e<\/strong> est une eau pure. En th\u00e9orie, elle ne contient aucun \u00e9l\u00e9ment autres que ses atomes d’oxyg\u00e8ne et d’hydrog\u00e8ne. Lors d’une distillation quelques atomes de carbone peuvent se dissoudre dans l’eau.<\/p>\n

Si vous souhaitez produire votre eau pure => voir ici<\/a><\/p>\n

Retour accueil<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Voici quelques d\u00e9finitions sur des caract\u00e9ristiques que l\u2019on peut trouver dans une eau. Une eau est dite incrustante quand elle tend \u00e0 d\u00e9poser du calcaire (CaCO3). On peut dire aussi que c\u2019est une eau \u00ab\u00a0entartrante\u00a0\u00bb. Une eau est dite agressive lorsqu\u2019elle tend \u00e0 attaquer ou \u00e0 dissoudre le calcaire et les mat\u00e9riaux qui en contiennent… Poursuivre la lecture Notions de base sur l\u2019eau : quelques d\u00e9finitions<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":8909,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[58,134],"tags":[97],"class_list":["post-8907","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-eau","category-information","tag-eau","entry"],"yoast_head":"\nNotions de base sur l\u2019eau : quelques d\u00e9finitions - Eaukey % %<\/title>\n<meta name=\"description\" content=\"Une eau pure d\u00e9licieusement bonne !\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/eaukey.com\/index.php\/2021\/03\/21\/notions-de-base-sur-leau-quelques-definitions\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Notions de base sur l\u2019eau : quelques d\u00e9finitions - 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Une eau est dite incrustante quand elle tend \u00e0 d\u00e9poser du calcaire (CaCO3). On peut dire aussi que c\u2019est une eau \u00ab\u00a0entartrante\u00a0\u00bb. Une eau est dite agressive lorsqu\u2019elle tend \u00e0 attaquer ou \u00e0 dissoudre le calcaire et les mat\u00e9riaux qui en contiennent…\u2026","_links":{"self":[{"href":"https:\/\/eaukey.com\/index.php\/wp-json\/wp\/v2\/posts\/8907"}],"collection":[{"href":"https:\/\/eaukey.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/eaukey.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/eaukey.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/eaukey.com\/index.php\/wp-json\/wp\/v2\/comments?post=8907"}],"version-history":[{"count":3,"href":"https:\/\/eaukey.com\/index.php\/wp-json\/wp\/v2\/posts\/8907\/revisions"}],"predecessor-version":[{"id":9446,"href":"https:\/\/eaukey.com\/index.php\/wp-json\/wp\/v2\/posts\/8907\/revisions\/9446"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/eaukey.com\/index.php\/wp-json\/wp\/v2\/media\/8909"}],"wp:attachment":[{"href":"https:\/\/eaukey.com\/index.php\/wp-json\/wp\/v2\/media?parent=8907"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/eaukey.com\/index.php\/wp-json\/wp\/v2\/categories?post=8907"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/eaukey.com\/index.php\/wp-json\/wp\/v2\/tags?post=8907"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}