{"id":695,"date":"2017-09-23T23:15:40","date_gmt":"2017-09-23T23:15:40","guid":{"rendered":"http:\/\/80.85.86.254\/sjor\/?p=695"},"modified":"2020-10-21T14:45:29","modified_gmt":"2020-10-21T14:45:29","slug":"4-urgangur-plast","status":"publish","type":"post","link":"https:\/\/himinnoghaf.is\/mengunsjavar\/index.php\/2017\/09\/23\/4-urgangur-plast\/","title":{"rendered":"4. \u00dargangur – plast"},"content":{"rendered":"

4.1 Inngangur<\/h4>\n

Gr\u00ed\u00f0arlega miki\u00f0 magn af \u00fargangi hefur borist \u00ed sj\u00f3inn \u00ed gegnum t\u00ed\u00f0ina \u2013 og lengi vel var miklu magni hent \u00ed sj\u00f3inn viljandi. Sj\u00f3menn hentu rusli fyrir bor\u00f0 og \u00fargangi fr\u00e1 heilu bygg\u00f0arl\u00f6gunum<\/span> var sturta\u00f0 fram af klettum \u00ed fj\u00f6rubor\u00f0inu. Stundum var jafnvel siglt me\u00f0 \u00fargang \u00fat \u00e1 sj\u00f3 og honum hent \u00fear. \u00deetta er enn gert vi\u00f0 h\u00e6ttulaus\u00a0d\u00fdpkunarefni<\/span> en \u00e1 \u00e1rum \u00e1\u00f0ur losu\u00f0u menn sig jafnvel vi\u00f0 h\u00e6ttulegan \u00fargang, \u00e1 bor\u00f0 vi\u00f0 efnavopn og geislavirkan \u00fargang, me\u00f0 \u00fev\u00ed a\u00f0 s\u00f6kkva honum \u00ed hafi\u00f0. Einnig var i\u00f0na\u00f0ar\u00fargangur brenndur \u00ed l\u00e9legum brennsluofnum um bor\u00f0 \u00ed skipum og \u00f6skunni svo sturta\u00f0 \u00ed sj\u00f3inn.<\/p>\n

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Mynd 4.1. Lengi tekur sj\u00f3rinn vi\u00f0?<\/p><\/div>\n

Lengi tekur sj\u00f3rinn vi\u00f0 \u2013 e\u00f0a hva\u00f0? \u00c1rum og \u00e1ratugum saman vi\u00f0gekkst a\u00f0 l\u00edta \u00e1 losun \u00fargangs \u00ed sj\u00f3inn sem heppilega lei\u00f0 til a\u00f0 losna vi\u00f0 rusli\u00f0. N\u00fa vitum vi\u00f0 betur. Ruslinu skolar \u00e1 strendur og kemst jafnvel inn \u00ed f\u00e6\u00f0uke\u00f0juna. Upp \u00far 1970 voru ger\u00f0ir al\u00fej\u00f3\u00f0asamningar sem b\u00f6nnu\u00f0u losun \u00fargangs \u00ed sj\u00f3inn og \u00fe\u00e6r reglur hafa s\u00ed\u00f0an veri\u00f0 hertar me\u00f0 t\u00edmanum.<\/p>\n

\u00c1hyggjur af plasti \u00ed sj\u00f3num fara vaxandi enda hefur komi\u00f0 \u00ed lj\u00f3s a\u00f0 meginhluti \u00feess rusls sem er a\u00f0 finna \u00ed sj\u00f3num er plast (>75%). Plastinu \u00ed sj\u00f3num fylgja \u00fdmis vandkv\u00e6\u00f0i fyrir l\u00edfr\u00edki\u00f0, en plastmengun getur einnig haft neikv\u00e6\u00f0 \u00e1hrif \u00e1 fiskvei\u00f0ar og fer\u00f0amennsku. Plasti\u00f0 getur valdi\u00f0 k\u00f6fnun og komist \u00ed maga d\u00fdra. Auk \u00feess geta d\u00fdr fl\u00e6kst \u00ed plasti og vei\u00f0arf\u00e6rum sem eru \u00e1 floti \u00ed sj\u00f3num. Plastefni innihalda oft \u00fdmis aukaefni sem blanda\u00f0 er \u00ed plasti\u00f0 vi\u00f0 framlei\u00f0sluna til a\u00f0 n\u00e1 fram \u00e1kve\u00f0num eiginleikum (t.d. m\u00fdkingarefni, efni til a\u00f0 her\u00f0a plast o.fl.). \u00deessi efni geta veri\u00f0 eitru\u00f0 fyrir menn og d\u00fdr. Eins geta eitru\u00f0 efnasamb\u00f6nd, sem er a\u00f0 finna \u00ed sj\u00f3num vegna athafna manna, dregist a\u00f0 plastinu og lo\u00f0a\u00f0 vi\u00f0 \u00fea\u00f0. \u00deetta getur t.d. \u00e1tt vi\u00f0 um eldvarnarefni, PCB, DDT<\/a> og fleiri pl\u00e1guey\u00f0a. Sm\u00e1d\u00fdr og fiskar innbyr\u00f0a svo plastagnirnar. \u00deannig \u00e1 plasti\u00f0, og h\u00e6ttulegu efnin sem hugsanlega fylgja \u00fev\u00ed, grei\u00f0a lei\u00f0 inn \u00ed f\u00e6\u00f0uke\u00f0juna og geta \u00e1 endanum lent \u00e1 diskunum okkar. Samkv\u00e6mt n\u00fdlegum fr\u00e9ttum finnast meira a\u00f0 segja \u00f6rplastagnir \u00ed neysluvatni og \u00ed salti sem unni\u00f0 er \u00far sj\u00f3.<\/p>\n

\"\"<\/a>

Mynd 4.2. F\u00e6\u00f0uke\u00f0ja \u00ed sj\u00f3num.<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

4.1 Inngangur Gr\u00ed\u00f0arlega miki\u00f0 magn af \u00fargangi hefur borist \u00ed sj\u00f3inn \u00ed gegnum t\u00ed\u00f0ina \u2013 og lengi vel var miklu magni hent \u00ed sj\u00f3inn viljandi. Sj\u00f3menn hentu rusli fyrir bor\u00f0 og \u00fargangi fr\u00e1 heilu var sturta\u00f0 fram af klettum \u00ed Lesa meira…<\/a><\/p>\n","protected":false},"author":2,"featured_media":1008,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23,24],"tags":[],"class_list":["post-695","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-4-urgangur-plast","category-adal-kaflar"],"_links":{"self":[{"href":"https:\/\/himinnoghaf.is\/mengunsjavar\/index.php\/wp-json\/wp\/v2\/posts\/695","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/himinnoghaf.is\/mengunsjavar\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/himinnoghaf.is\/mengunsjavar\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/himinnoghaf.is\/mengunsjavar\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/himinnoghaf.is\/mengunsjavar\/index.php\/wp-json\/wp\/v2\/comments?post=695"}],"version-history":[{"count":23,"href":"https:\/\/himinnoghaf.is\/mengunsjavar\/index.php\/wp-json\/wp\/v2\/posts\/695\/revisions"}],"predecessor-version":[{"id":3379,"href":"https:\/\/himinnoghaf.is\/mengunsjavar\/index.php\/wp-json\/wp\/v2\/posts\/695\/revisions\/3379"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/himinnoghaf.is\/mengunsjavar\/index.php\/wp-json\/wp\/v2\/media\/1008"}],"wp:attachment":[{"href":"https:\/\/himinnoghaf.is\/mengunsjavar\/index.php\/wp-json\/wp\/v2\/media?parent=695"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/himinnoghaf.is\/mengunsjavar\/index.php\/wp-json\/wp\/v2\/categories?post=695"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/himinnoghaf.is\/mengunsjavar\/index.php\/wp-json\/wp\/v2\/tags?post=695"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}