{"id":975,"date":"2021-02-06T13:08:03","date_gmt":"2021-02-06T18:08:03","guid":{"rendered":"http:\/\/godshipchurch.com\/?page_id=975"},"modified":"2021-03-20T10:04:19","modified_gmt":"2021-03-20T14:04:19","slug":"manganese","status":"publish","type":"page","link":"https:\/\/godshipchurch.com\/?page_id=975","title":{"rendered":"Manganese (25)"},"content":{"rendered":"\n\n<ol type=\"1\"><li>Soil contains 7-9000ppm of manganese with an average of 440ppm. Seawater has only 10ppm and the atmosphere contains 0.01\u00b5g\/m<span style=\"font-size: 12px; line-height: 0; position: relative; vertical-align: baseline; top: -0.5em;\">3<\/span>.<\/li><li>Manganese occurs principally as:<\/li><li>Pyrolusite (MnO<span style=\"font-size: 12px; line-height: 0; position: relative; vertical-align: baseline; bottom: -0.25em;\">2<\/span>)<\/li><li>Braunite (Mn<span style=\"font-size: 12px; line-height: 0; position: relative; vertical-align: baseline; top: -0.5em;\">2+<\/span>Mn<span style=\"font-size: 12px; line-height: 0; position: relative; vertical-align: baseline; top: -0.5em;\">3+<\/span>6)(SiO<span style=\"font-size: 12px; line-height: 0; position: relative; vertical-align: baseline; bottom: -0.25em;\">12<\/span>)<\/li><li>Psilomelane (Ba,H<span style=\"font-size: 12px; line-height: 0; position: relative; vertical-align: baseline; bottom: -0.25em;\">2<\/span>O)<span style=\"font-size: 12px; line-height: 0; position: relative; vertical-align: baseline; bottom: -0.25em;\">2<\/span>Mn<span style=\"font-size: 12px; line-height: 0; position: relative; vertical-align: baseline; bottom: -0.25em;\">5<\/span>O<span style=\"font-size: 12px; line-height: 0; position: relative; vertical-align: baseline; bottom: -0.25em;\">10<\/span><\/li><li>Rhodochrosite (MnCO<span style=\"font-size: 12px; line-height: 0; position: relative; vertical-align: baseline; bottom: -0.25em;\">3<\/span>)<\/li><li>Manganese phosphating is used as a treatment for rust and corrosion prevention on steel.<\/li><li>It is hard and very brittle, difficult to fuse but easy to oxidize, and rust like iron.<\/li><li>Has been used as the Chief Cathodic material for commercial disposable dry cells and dry batteries of both the standard (Zinc-Carbon) and Alkaline types.<\/li><li>Steel containing 8 to 15% of manganese can have a high tensile strength of up to 863 MPa.<\/li><li>Aluminium with a manganese content of roughly 1.5% has an increased resistance against corrosion.<\/li><\/ol>\n\n\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-975","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/godshipchurch.com\/index.php?rest_route=\/wp\/v2\/pages\/975","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/godshipchurch.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/godshipchurch.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/godshipchurch.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/godshipchurch.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=975"}],"version-history":[{"count":4,"href":"https:\/\/godshipchurch.com\/index.php?rest_route=\/wp\/v2\/pages\/975\/revisions"}],"predecessor-version":[{"id":1628,"href":"https:\/\/godshipchurch.com\/index.php?rest_route=\/wp\/v2\/pages\/975\/revisions\/1628"}],"wp:attachment":[{"href":"https:\/\/godshipchurch.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=975"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}