{"id":3301,"date":"2025-06-24T11:57:05","date_gmt":"2025-06-24T03:57:05","guid":{"rendered":"https:\/\/calcium-carbonate.epic-powder.com\/?p=3301"},"modified":"2025-06-24T11:57:08","modified_gmt":"2025-06-24T03:57:08","slug":"iceland-spar-and-its-influence-on-optical-research","status":"publish","type":"post","link":"https:\/\/calcium-carbonate.epic-powder.com\/vi\/iceland-spar-and-its-influence-on-optical-research\/","title":{"rendered":"Iceland Spar v\u00e0 \u1ea3nh h\u01b0\u1edfng c\u1ee7a n\u00f3 \u0111\u1ebfn nghi\u00ean c\u1ee9u quang h\u1ecdc"},"content":{"rendered":"<p><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/vi\/machines\/\">Iceland \u0111\u1ea5u ki\u1ebfm<\/a>\uff08 th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc l\u00e0 <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/vi\/machines\/ball-mill\/\">CaCO3<\/a>\uff09, m\u1ed9t tinh th\u1ec3 canxit tinh khi\u1ebft kh\u00f4ng m\u00e0u v\u00e0 trong su\u1ed1t, l\u00e0 m\u1ed9t kho\u00e1ng ch\u1ea5t t\u1ef1 nhi\u00ean \u0111\u1ed9c \u0111\u00e1o v\u1edbi c\u00e1c t\u00ednh ch\u1ea5t quang h\u1ecdc \u0111\u1eb7c bi\u1ec7t. N\u00f3 c\u00f3 \u0111\u1ed9 l\u01b0\u1ee1ng chi\u1ebft cao nh\u1ea5t v\u00e0 hi\u1ec7u su\u1ea5t ph\u00e2n c\u1ef1c m\u1ea1nh nh\u1ea5t trong s\u1ed1 c\u00e1c kho\u00e1ng ch\u1ea5t trong su\u1ed1t. \u0110i\u1ec1u n\u00e0y l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t tinh th\u1ec3 t\u1ef1 nhi\u00ean kh\u00f4ng th\u1ec3 thay th\u1ebf, kh\u00f4ng th\u1ec3 t\u1ed5ng h\u1ee3p nh\u00e2n t\u1ea1o. Iceland spar l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u quang h\u1ecdc v\u00e0 quang \u0111i\u1ec7n t\u1eed tuy\u1ec7t v\u1eddi. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong s\u1ea3n xu\u1ea5t c\u00f4ng t\u1eafc laser, m\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb l\u1edbn, k\u00ednh thi\u00ean v\u0103n \u0111i\u1ec7n t\u1eed \u0111\u1ec3 quan s\u00e1t v\u1ebft \u0111en m\u1eb7t tr\u1eddi, g\u01b0\u01a1ng l\u01b0\u1ee1ng s\u1eafc \u0111\u00e1 qu\u00fd, m\u00e1y \u0111o kho\u1ea3ng c\u00e1ch laser v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n quang h\u1ecdc kh\u00e1c. C\u00e1c th\u00e0nh ph\u1ea7n quang h\u1ecdc n\u00e0y c\u00f3 c\u00e1c y\u00eau c\u1ea7u ch\u1ea5t l\u01b0\u1ee3ng nghi\u00eam ng\u1eb7t. Ch\u00fang ph\u1ea3i kh\u00f4ng m\u00e0u, ho\u00e0n to\u00e0n trong su\u1ed1t, kh\u00f4ng c\u00f3 t\u1ea1p ch\u1ea5t, v\u1ebft n\u1ee9t, k\u1ebft tinh v\u00e0 n\u1ed1t s\u1ea7n. Ch\u00fang c\u0169ng kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e1t hu\u1ef3nh quang d\u01b0\u1edbi \u00e1nh s\u00e1ng c\u1ef1c t\u00edm. Iceland spar ch\u1ea5t l\u01b0\u1ee3ng cao \u0111\u00e1p \u1ee9ng \u0111\u1ea7y \u0111\u1ee7 c\u00e1c ti\u00eau ch\u00ed n\u00e0y.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"577\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/06\/iceland-spar.webp\" alt=\"\" class=\"wp-image-3302\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/06\/iceland-spar.webp 800w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/06\/iceland-spar-300x216.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/06\/iceland-spar-768x554.webp 768w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/06\/iceland-spar-18x12.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>S\u1ef1 h\u00ecnh th\u00e0nh v\u00e0 ph\u00e2n b\u1ed1 c\u1ee7a canxit quang h\u1ecdc<\/strong><\/h2>\n\n\n\n<p>Ch\u1ea5t l\u01b0\u1ee3ng cao <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/vi\/ultrafine-air-classifier\/\">Iceland \u0111\u1ea5u ki\u1ebfm <\/a>tinh th\u1ec3 \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong c\u00e1c m\u1ea1ch canxit c\u1ee7a bazan v\u00e0 zeolit. S\u1ef1 h\u00ecnh th\u00e0nh c\u1ee7a ch\u00fang li\u00ean quan \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng th\u1ee7y nhi\u1ec7t. D\u1eef li\u1ec7u th\u1ed1ng k\u00ea cho th\u1ea5y c\u00e1c qu\u1ed1c gia c\u00f3 tinh th\u1ec3 canxit ch\u1ea5t l\u01b0\u1ee3ng cao bao g\u1ed3m Hoa K\u1ef3, \u0110\u1ee9c, V\u01b0\u01a1ng qu\u1ed1c Anh v\u00e0 Mexico. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/vi\/projects\/\">\u1ee8ng d\u1ee5ng<\/a> c\u1ee7a Iceland Spar<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"604\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/06\/Iceland-Spar-2.webp\" alt=\"Iceland Spar (2)\" class=\"wp-image-3304\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/06\/Iceland-Spar-2.webp 800w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/06\/Iceland-Spar-2-300x227.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/06\/Iceland-Spar-2-768x580.webp 768w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/06\/Iceland-Spar-2-16x12.webp 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/vi\/surface-modification\/\">Iceland \u0111\u1ea5u ki\u1ebfm<\/a> c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng. N\u00f3 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p qu\u1ed1c ph\u00f2ng v\u00e0 \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c d\u1ee5ng c\u1ee5 quang h\u1ecdc c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao. Bao g\u1ed3m c\u00e1c thi\u1ebft b\u1ecb hi\u1ec3n th\u1ecb m\u00e0n h\u00ecnh l\u1edbn, c\u00e1c th\u00e0nh ph\u1ea7n kh\u00fac x\u1ea1 v\u00e0 ph\u00e2n c\u1ef1c cho m\u00e1y t\u00ednh \u0111i\u1ec7n t\u1eed, l\u0103ng k\u00ednh Nicol trong k\u00ednh hi\u1ec3n vi ph\u00e2n c\u1ef1c, m\u00e1y \u0111o ph\u00e2n c\u1ef1c, m\u00e1y \u0111o quang, m\u00e1y \u0111o \u0111\u01b0\u1eddng, m\u00e1y t\u1ea1o \u1ea3nh laser giao thoa v\u00e0 m\u00e1y \u0111o m\u00e0u \u0111\u1ec3 ph\u00e2n t\u00edch h\u00f3a h\u1ecdc. Canxit quang h\u1ecdc c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t c\u00e1c th\u00e0nh ph\u1ea7n cho m\u00e1y \u0111o kho\u1ea3ng c\u00e1ch v\u00e0 d\u1ee5ng c\u1ee5 \u0111o kho\u1ea3ng c\u00e1ch. N\u00f3 ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p hi\u1ec7n \u0111\u1ea1i \u01b0a chu\u1ed9ng. Canxit quang h\u1ecdc \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t v\u1eadt li\u1ec7u kho\u00e1ng phi kim lo\u1ea1i kh\u00f4ng th\u1ec3 thi\u1ebfu trong c\u00e1c l\u0129nh v\u1ef1c qu\u1ed1c ph\u00f2ng, h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 nghi\u00ean c\u1ee9u khoa h\u1ecdc hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>T\u00ednh ch\u1ea5t quang h\u1ecdc c\u1ee7a Iceland Spar<\/strong><\/h2>\n\n\n\n<p>Iceland spar l\u00e0 m\u1ed9t tinh th\u1ec3 t\u1ef1 nhi\u00ean. C\u00e1c t\u00ednh ch\u1ea5t quang h\u1ecdc c\u1ee7a n\u00f3 kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c sao ch\u00e9p ho\u00e0n to\u00e0n b\u1eb1ng c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n nh\u00e2n t\u1ea1o. \u0110\u1eb7c \u0111i\u1ec3m \u0111\u00e1ng ch\u00fa \u00fd nh\u1ea5t c\u1ee7a n\u00f3 l\u00e0 l\u01b0\u1ee1ng chi\u1ebft. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p \u00e1nh s\u00e1ng \u0111i qua n\u00f3 t\u00e1ch th\u00e0nh hai ch\u00f9m tia. T\u00ednh l\u01b0\u1ee1ng chi\u1ebft cao n\u00e0y l\u00e0m cho Calcite quang h\u1ecdc tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u kh\u00f4ng th\u1ec3 thi\u1ebfu trong nhi\u1ec1u \u1ee9ng d\u1ee5ng quang h\u1ecdc. Ngo\u00e0i ra, Calcite quang h\u1ecdc th\u1ec3 hi\u1ec7n c\u00e1c t\u00ednh ch\u1ea5t ph\u00e2n c\u1ef1c tuy\u1ec7t v\u1eddi. N\u00f3 l\u00fd t\u01b0\u1edfng \u0111\u1ec3 s\u1eed d\u1ee5ng trong c\u00e1c thi\u1ebft b\u1ecb c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao. \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng n\u00e0y, canxit quang h\u1ecdc ph\u1ea3i \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n ch\u1ea5t l\u01b0\u1ee3ng nghi\u00eam ng\u1eb7t. N\u00f3 ph\u1ea3i kh\u00f4ng m\u00e0u, ho\u00e0n to\u00e0n trong su\u1ed1t, kh\u00f4ng c\u00f3 t\u1ea1p ch\u1ea5t, v\u1ebft n\u1ee9t, song tinh v\u00e0 n\u1ed1t s\u1ea7n. N\u00f3 c\u0169ng kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e1t hu\u1ef3nh quang d\u01b0\u1edbi \u00e1nh s\u00e1ng c\u1ef1c t\u00edm. Nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m n\u00e0y c\u00f3 trong t\u1ef1 nhi\u00ean trong Iceland spar ch\u1ea5t l\u01b0\u1ee3ng cao.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Nhu c\u1ea7u t\u0103ng cao trong ng\u00e0nh c\u00f4ng nghi\u1ec7p hi\u1ec7n \u0111\u1ea1i<\/strong><\/h2>\n\n\n\n<p>V\u1edbi nh\u1eefng ti\u1ebfn b\u1ed9 c\u00f4ng ngh\u1ec7, ph\u1ea1m vi \u1ee9ng d\u1ee5ng c\u1ee7a Iceland spar ti\u1ebfp t\u1ee5c m\u1edf r\u1ed9ng. C\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p hi\u1ec7n \u0111\u1ea1i, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7 cao, c\u00f3 nhu c\u1ea7u ng\u00e0y c\u00e0ng t\u0103ng \u0111\u1ed1i v\u1edbi canxit quang h\u1ecdc. Hi\u1ec7u su\u1ea5t quang h\u1ecdc \u0111\u1eb7c bi\u1ec7t c\u1ee7a n\u00f3 khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u kh\u00f4ng th\u1ec3 thay th\u1ebf trong c\u00e1c l\u0129nh v\u1ef1c qu\u1ed1c ph\u00f2ng, h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 nghi\u00ean c\u1ee9u khoa h\u1ecdc c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao. Canxit quang h\u1ecdc r\u1ea5t c\u1ea7n thi\u1ebft trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n v\u00e0 s\u1ea3n xu\u1ea5t c\u00e1c h\u1ec7 th\u1ed1ng quang h\u1ecdc cho m\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb l\u1edbn, m\u00e1y \u0111o kho\u1ea3ng c\u00e1ch laser, k\u00ednh thi\u00ean v\u0103n thi\u00ean v\u0103n v\u00e0 nhi\u1ec1u thi\u1ebft b\u1ecb quan tr\u1ecdng kh\u00e1c.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Ph\u1ea7n k\u1ebft lu\u1eadn<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"H\u1ec7 th\u1ed1ng s\u1ea3n xu\u1ea5t m\u00e1y nghi\u1ec1n bi v\u00e0 m\u00e1y ph\u00e2n lo\u1ea1i kh\u00ed ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o - M\u00e1y m\u00f3c b\u1ed9t EPIC\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/lwCDVDcxzn8?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p>\u0110\u00e1 phi\u1ebfn Iceland, v\u1edbi c\u00e1c \u0111\u1eb7c t\u00ednh quang h\u1ecdc \u0111\u1ed9c \u0111\u00e1o, \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong nhi\u1ec1u thi\u1ebft b\u1ecb cao c\u1ea5p. N\u00f3 kh\u00f4ng th\u1ec3 thi\u1ebfu trong m\u00e0n h\u00ecnh l\u1edbn, m\u00e1y \u0111o kho\u1ea3ng c\u00e1ch laser, k\u00ednh hi\u1ec3n vi ph\u00e2n c\u1ef1c v\u00e0 c\u00e1c thi\u1ebft b\u1ecb thi\u00ean v\u0103n. Trung Qu\u1ed1c d\u1eabn \u0111\u1ea7u s\u1ea3n xu\u1ea5t canxit quang h\u1ecdc. Khi c\u00f4ng ngh\u1ec7 ti\u1ebfn b\u1ed9, \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/vi\/contact\/\">B\u1ed9t Epic<\/a> Bi\u1ec3u m\u1eabu li\u00ean h\u1ec7<\/strong><\/h2>\n\n\n\n<div class=\"wp-block-contact-form-7-contact-form-selector\">\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f16-o1\" lang=\"zh-CN\" dir=\"ltr\" data-wpcf7-id=\"16\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/vi\/wp-json\/wp\/v2\/posts\/3301#wpcf7-f16-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"\u7559\u8a00\u8868\u5355\" novalidate=\"novalidate\" data-status=\"init\" data-trp-original-action=\"\/vi\/wp-json\/wp\/v2\/posts\/3301#wpcf7-f16-o1\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"16\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.3\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"zh_CN\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f16-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/>\n<\/fieldset>\n<div class=\"keen-form\">\n\t<div class=\"one-half\">\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-name\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"T\u00ean c\u1ee7a b\u1ea1n*\" value=\"\" type=\"text\" name=\"your-name\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div class=\"one-half last\">\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-email\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-email wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-email\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Email c\u1ee7a b\u1ea1n*\" value=\"\" type=\"email\" name=\"your-email\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div class=\"one-half\">\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"pnone\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-tel wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-tel\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Pnone ho\u1eb7c Whatsapp c\u1ee7a b\u1ea1n*\" value=\"\" type=\"tel\" name=\"pnone\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div class=\"one-half last\">\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-subject\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" aria-invalid=\"false\" placeholder=\"C\u00f4ng ty c\u1ee7a b\u1ea1n\" value=\"\" type=\"text\" name=\"your-subject\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div>\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-message\"><textarea cols=\"40\" rows=\"3\" maxlength=\"2000\" class=\"wpcf7-form-control wpcf7-textarea\" aria-invalid=\"false\" placeholder=\"Tin nh\u1eafn c\u1ee7a b\u1ea1n\" name=\"your-message\"><\/textarea><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div>\n\t\t<p><input class=\"wpcf7-form-control wpcf7-submit has-spinner\" type=\"submit\" value=\"N\u1ed9p\" \/>\n\t\t<\/p>\n\t<\/div>\n<\/div>\n<style>\n.keen-form div{margin-bottom:5px;}\n.keen-form div p{margin-bottom:0px !important;}\n.one-half,.one-third {\n position: relative;\n margin-right: 4%;\n float: left;\n z-index: 99;\n}\n.one-half { width: 40%; }\n.one-third { width: 30.66%; }\n.last {\n margin-right: 0 !important;\n clear: right;\nwidth: 40%;\n}\n@media only screen and (max-width: 767px) {\n .one-half, .one-third {\n width: 90%;\n margin-right: 0;\n }\n}\n<\/style><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<input type=\"hidden\" name=\"trp-form-language\" value=\"vi\"\/><\/form>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Iceland spar (th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc l\u00e0 CaCO3), m\u1ed9t tinh th\u1ec3 canxit tinh khi\u1ebft kh\u00f4ng m\u00e0u v\u00e0 trong su\u1ed1t, l\u00e0 m\u1ed9t kho\u00e1ng ch\u1ea5t t\u1ef1 nhi\u00ean \u0111\u1ed9c \u0111\u00e1o v\u1edbi c\u00e1c t\u00ednh ch\u1ea5t quang h\u1ecdc \u0111\u1eb7c bi\u1ec7t. N\u00f3 c\u00f3 \u0111\u1ed9 l\u01b0\u1ee1ng chi\u1ebft cao nh\u1ea5t v\u00e0 hi\u1ec7u su\u1ea5t ph\u00e2n c\u1ef1c m\u1ea1nh nh\u1ea5t trong s\u1ed1 c\u00e1c kho\u00e1ng ch\u1ea5t trong su\u1ed1t. \u0110i\u1ec1u n\u00e0y l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t tinh th\u1ec3 t\u1ef1 nhi\u00ean kh\u00f4ng th\u1ec3 thay th\u1ebf, kh\u00f4ng th\u1ec3 t\u1ed5ng h\u1ee3p nh\u00e2n t\u1ea1o. Iceland spar l\u00e0 m\u1ed9t tinh th\u1ec3 quang h\u1ecdc v\u00e0 quang \u0111i\u1ec7n t\u1eed tuy\u1ec7t v\u1eddi [\u2026]<\/p>","protected":false},"author":1,"featured_media":3302,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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