{"id":4694,"count":10,"description":"Ion oxalat c\u00f3 th\u1ec3 l\u00e0m ph\u1ed1i t\u1eed, t\u1ea1o ph\u1ee9c ch\u1ea5t v\u1edbi nhi\u1ec1u ion kim lo\u1ea1i, \u0111\u1eb7c bi\u1ec7t l\u00e0 ph\u1ee9c ch\u1ea5t v\u00f2ng c\u00e0ng (chelates). Ion n\u00e0y ch\u1ee9a m\u1ed9t h\u1ec7 \u03c0 ph\u1eb3ng g\u1ed3m t\u00e1m electron, c\u00f3 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh \u0111i\u1ec7n t\u1eed \u0111\u1eb7c bi\u1ec7t n\u1ed5i b\u1eadt. \u0110\u00e2y l\u00e0 m\u1ed9t anion c\u00f3 t\u00ednh kh\u1eed. Mu\u1ed1i oxalat \u0111\u1ea5t hi\u1ebfm \u00edt tan trong dung d\u1ecbch n\u01b0\u1edbc, v\u00e0 \u0111\u1ed9 tan gi\u1ea3m khi axit t\u00ednh c\u1ee7a dung d\u1ecbch (nh\u01b0 HCl, HNO\u2083, H\u2082SO\u2084) gi\u1ea3m. Axit oxalic \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t ch\u1ea5t k\u1ebft t\u1ee7a cho c\u00e1c h\u1ee3p ch\u1ea5t \u0111\u1ea5t hi\u1ebfm, v\u00ec v\u1eady mu\u1ed1i oxalat \u0111\u1ea5t hi\u1ebfm l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ch\u00ednh \u0111\u1ec3 k\u1ebft t\u1ee7a, chi\u1ebft xu\u1ea5t c\u00e1c nguy\u00ean t\u1ed1 \u0111\u1ea5t hi\u1ebfm v\u00e0 ch\u1ebf t\u1ea1o oxit \u0111\u1ea5t hi\u1ebfm.","link":"https:\/\/honwaygroup.com\/vi\/product-category\/nguyen-lieu-hoa-hoc\/muoi-oxalat\/","name":"Mu\u1ed1i oxalat","slug":"muoi-oxalat","taxonomy":"product_cat","parent":4305,"meta":[],"menu_order":0,"_links":{"self":[{"href":"https:\/\/honwaygroup.com\/vi\/wp-json\/wp\/v2\/product_cat\/4694","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/honwaygroup.com\/vi\/wp-json\/wp\/v2\/product_cat"}],"about":[{"href":"https:\/\/honwaygroup.com\/vi\/wp-json\/wp\/v2\/taxonomies\/product_cat"}],"up":[{"embeddable":true,"href":"https:\/\/honwaygroup.com\/vi\/wp-json\/wp\/v2\/product_cat\/4305"}],"wp:post_type":[{"href":"https:\/\/honwaygroup.com\/vi\/wp-json\/wp\/v2\/product?product_cat=4694"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}