{"id":117801,"date":"2024-05-09T07:49:41","date_gmt":"2024-05-09T04:49:41","guid":{"rendered":"https:\/\/milliycha.uz\/?p=117801"},"modified":"2024-05-09T07:49:59","modified_gmt":"2024-05-09T04:49:59","slug":"malein-va-fumar-kislotalar","status":"publish","type":"post","link":"https:\/\/milliycha.uz\/ru\/malein-va-fumar-kislotalar\/","title":{"rendered":"MALEIN VA FUMAR KISLOTALAR"},"content":{"rendered":"\n<p>MALEIN VA FUMAR KISLOTALAR, tsis &#8212; va trans-etilen \u2014 1,2 dikar- bon kislotalar, formulalari tegishlicha I, P. Mol. m. 116,07; rangsiz kristallar. Malein kislotaning suyuklanish t-rasi 140\u00b0, zichligi 1590 kg\/m3. 130\u00b0 dan yuqori t-Rada fosfat angidrid, atsetilxlorid va b. ishtirokida qizdirilganda degi- dratlanib malein angidridga aylanadi. Sanoatda benzolni katalitik oksidlash, shuningdek, kroton aldegidni oksidlash yo&#8217;li b-n olinadi. Vino va olma kislota- lar, sirt faol moddalar, alkid smolalar i.ch.da qo&#8217;llanadi. Yorug&#8217;lik ta&#8217;sirida, 200\u00b0dan yuqori t-Rada qizdirilganda yoki kimyoviy agentlar ta&#8217;sir ettirilganda malein kislota izomerlanib fumar kis- lotaga aylanadi. Fumar kislotaning suyuklanish t-rasi 296,4\u00b0, zichligi 1635 kg\/m3. Ko&#8217;pgina o&#8217;simliklar (mas, Island Moxi) va zamburutlar tarkibida bor; uglevo- dorodlarning bijg&#8217;ishidan ham hosil bo&#8217;ladi. Sanoatda malein kislotani NS1, brom birikmalari va b. ta&#8217;sirida izomerlab olinadi. Poliefir smola- lar, quruvchan sintetik moylar, plasti- fikatorlar olishda, oziq-ovqat sano- atida limon va vino kislotalarining o&#8217;rinbosari sifatida qo&#8217;llanadi.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MALEIN VA FUMAR KISLOTALAR, tsis &#8212; va trans-etilen \u2014 1,2 dikar- bon kislotalar, formulalari tegishlicha I, P. Mol. m. 116,07; rangsiz kristallar. Malein kislotaning suyuklanish t-rasi 140\u00b0, zichligi 1590 kg\/m3. &hellip; <a href=\"https:\/\/milliycha.uz\/ru\/malein-va-fumar-kislotalar\/\" class=\"more-link\">Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":99837,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[217],"tags":[],"class_list":["post-117801","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-m-harfi","entry"],"translation":{"provider":"WPGlobus","version":"3.0.2","language":"ru","enabled_languages":["uz","kr","ru"],"languages":{"uz":{"title":true,"content":true,"excerpt":false},"kr":{"title":false,"content":false,"excerpt":false},"ru":{"title":false,"content":false,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/posts\/117801","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/comments?post=117801"}],"version-history":[{"count":1,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/posts\/117801\/revisions"}],"predecessor-version":[{"id":117823,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/posts\/117801\/revisions\/117823"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/media\/99837"}],"wp:attachment":[{"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/media?parent=117801"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/categories?post=117801"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/tags?post=117801"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}