{"id":3454,"date":"2025-08-15T11:16:39","date_gmt":"2025-08-15T03:16:39","guid":{"rendered":"https:\/\/calcium-carbonate.epic-powder.com\/?p=3454"},"modified":"2025-08-15T11:24:52","modified_gmt":"2025-08-15T03:24:52","slug":"do-you-know-these-little-facts-about-calcium-carbonate","status":"publish","type":"post","link":"https:\/\/calcium-carbonate.epic-powder.com\/vi\/do-you-know-these-little-facts-about-calcium-carbonate\/","title":{"rendered":"B\u1ea1n c\u00f3 bi\u1ebft nh\u1eefng s\u1ef1 th\u1eadt nh\u1ecf n\u00e0y v\u1ec1 Canxi cacbonat kh\u00f4ng?"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Q: C\u00e1i g\u00ec l\u00e0 <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/vi\/machines\/\">Canxi cacbonat<\/a>? Nghe gi\u1ed1ng nh\u01b0 H\u00f3a h\u1ecdc!<\/h2>\n\n\n\n<p>\u0110\u1eebng lo l\u1eafng! \u0110\u00e2y ch\u00ednh l\u00e0 \u201cng\u01b0\u1eddi b\u1ea1n c\u0169\u201d h\u00e0ng ng\u00e0y c\u1ee7a b\u1ea1n \u2014 th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a \u0111\u00e1 v\u00f4i, \u201cch\u1ea5t t\u1ea1o n\u00ean \u00e1o gi\u00e1p\u201d c\u1ee7a v\u1ecf tr\u1ee9ng, v\u00e0 b\u00ed quy\u1ebft \u0111\u1eb1ng sau v\u1ebb s\u00e1ng b\u00f3ng c\u1ee7a ng\u1ecdc trai. C\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc c\u1ee7a n\u00f3 l\u00e0 canxi cacbonat (CaCO\u2083), m\u1ed9t kho\u00e1ng ch\u1ea5t d\u1ed3i d\u00e0o t\u1eeb thi\u00ean nhi\u00ean.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">H: \u201cB\u1ea3n ng\u00e3 kh\u00e1c\u201d c\u1ee7a n\u00f3 l\u00e0 g\u00ec?<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>canxit<\/strong> (\u0111\u00e1 Iceland trong su\u1ed1t, d\u00f9ng cho d\u1ee5ng c\u1ee5 quang h\u1ecdc)<\/li>\n\n\n\n<li><strong>Aragonit<\/strong> (v\u1eadt li\u1ec7u ch\u00ednh trong r\u1ea1n san h\u00f4)<\/li>\n\n\n\n<li><strong>Vaterite<\/strong> (m\u00e1y \u201cbi\u1ebfn \u00e1p\u201d trong ph\u00f2ng th\u00ed nghi\u1ec7m)<\/li>\n\n\n\n<li><strong>Ph\u1ea5n<\/strong> (tr\u1ea7m t\u00edch bi\u1ec3n t\u1eeb th\u1eddi kh\u1ee7ng long)<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"750\" height=\"750\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/07\/GCC-ball-milling-classifier-product-line.webp\" alt=\"D\u00f2ng s\u1ea3n ph\u1ea9m m\u00e1y ph\u00e2n lo\u1ea1i nghi\u1ec1n bi GCC\" class=\"wp-image-3385\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/07\/GCC-ball-milling-classifier-product-line.webp 750w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/07\/GCC-ball-milling-classifier-product-line-300x300.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/07\/GCC-ball-milling-classifier-product-line-150x150.webp 150w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/07\/GCC-ball-milling-classifier-product-line-12x12.webp 12w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Q: C\u00e1c lo\u1ea1i ch\u00ednh c\u1ee7a <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/vi\/ultrafine-powder-dry-grinding\/\">CaCO\u2083<\/a>?<\/h2>\n\n\n\n<p>C\u00e1c lo\u1ea1i canxi cacbonat ch\u00ednh bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Canxi cacbonat t\u1ef1 nhi\u00ean<\/strong>: \u0110\u01b0\u1ee3c chi\u1ebft xu\u1ea5t t\u1eeb qu\u1eb7ng t\u1ef1 nhi\u00ean nh\u01b0 \u0111\u00e1 v\u00f4i, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong x\u00e2y d\u1ef1ng v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/vi\/astra-portfolio\/grinding-and-classifying-system-for-the-production-of-calcium-carbonate\/\">Canxi cacbonat xay<\/a> (GCC)<\/strong>: C\u00e1c h\u1ea1t l\u1edbn h\u01a1n \u0111\u01b0\u1ee3c t\u1ea1o ra th\u00f4ng qua qu\u00e1 tr\u00ecnh nghi\u1ec1n c\u01a1 h\u1ecdc, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nh\u1ef1a, cao su, l\u1edbp ph\u1ee7, v.v.<\/li>\n\n\n\n<li><strong>Canxi cacbonat k\u1ebft t\u1ee7a (PCC)<\/strong>: C\u00e1c h\u1ea1t nh\u1ecf h\u01a1n \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p h\u00f3a h\u1ecdc, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng cao c\u1ea5p nh\u01b0 d\u01b0\u1ee3c ph\u1ea9m v\u00e0 c\u00f4ng nghi\u1ec7p th\u1ef1c ph\u1ea9m.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Thi\u1ebft b\u1ecb n\u00e0o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 nghi\u1ec1n canxi cacbonat?<\/h2>\n\n\n\n<p>\u0110\u1ec3 s\u1ea3n xu\u1ea5t CaCO\u2083, ng\u01b0\u1eddi ta s\u1eed d\u1ee5ng nhi\u1ec1u lo\u1ea1i thi\u1ebft b\u1ecb nghi\u1ec1n kh\u00e1c nhau t\u00f9y thu\u1ed9c v\u00e0o k\u00edch th\u01b0\u1edbc h\u1ea1t v\u00e0 \u1ee9ng d\u1ee5ng c\u1ea7n thi\u1ebft. C\u00e1c lo\u1ea1i m\u00e1y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng bao g\u1ed3m:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>M\u00e1y nghi\u1ec1n bi<\/strong>: L\u00fd t\u01b0\u1edfng \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c h\u1ea1t l\u1edbn h\u01a1n v\u00e0 nghi\u1ec1n \u1edf kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn.<\/li>\n\n\n\n<li><strong>M\u00e1y ph\u00e2n lo\u1ea1i kh\u00f4ng kh\u00ed<\/strong>: \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 nghi\u1ec1n m\u1ecbn v\u00e0 si\u00eau m\u1ecbn, khi c\u1ea7n ph\u00e2n lo\u1ea1i k\u00edch th\u01b0\u1edbc h\u1ea1t ch\u00ednh x\u00e1c.<\/li>\n\n\n\n<li><strong>M\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c<\/strong>: Ho\u00e0n h\u1ea3o \u0111\u1ec3 s\u1ea3n xu\u1ea5t b\u1ed9t si\u00eau m\u1ecbn, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho canxi cacbonat c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/vi\/machines\/roller-mill\/\">M\u00e1y nghi\u1ec1n tr\u1ee5c l\u0103n<\/a><\/strong>: Th\u00edch h\u1ee3p cho vi\u1ec7c nghi\u1ec1n v\u1eeba \u0111\u1ebfn m\u1ecbn, mang l\u1ea1i hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng.<\/li>\n\n\n\n<li><strong>M\u00e1y nghi\u1ec1n rung<\/strong>: H\u1eefu \u00edch cho vi\u1ec7c nghi\u1ec1n m\u1ecbn v\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t h\u1eb9p.<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"720\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/08\/Superfine-Grinding-Mill.webp\" alt=\"M\u00e1y nghi\u1ec1n si\u00eau m\u1ecbn\" class=\"wp-image-3457\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/08\/Superfine-Grinding-Mill.webp 800w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/08\/Superfine-Grinding-Mill-300x270.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/08\/Superfine-Grinding-Mill-768x691.webp 768w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/08\/Superfine-Grinding-Mill-13x12.webp 13w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">M\u00e1y nghi\u1ec1n si\u00eau m\u1ecbn<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">H: \u1ee8ng d\u1ee5ng c\u1ee7a Canxi Cacbonat l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p><strong>Ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u1ef1a<\/strong>:Canxi cacbonat \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t \u0111\u1ed9n trong nh\u1ef1a \u0111\u1ec3 t\u0103ng \u0111\u1ed9 b\u1ec1n, gi\u1ea3m chi ph\u00ed v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t x\u1eed l\u00fd.<\/p>\n\n\n\n<p><strong>L\u1edbp ph\u1ee7 v\u00e0 s\u01a1n<\/strong>: Th\u00eam CaCO\u2083 v\u00e0o l\u1edbp ph\u1ee7 gi\u00fap t\u0103ng \u0111\u1ed9 ph\u1ee7 v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a m\u00e0ng ph\u1ee7.<\/p>\n\n\n\n<p><strong>Ng\u00e0nh c\u00f4ng nghi\u1ec7p gi\u1ea5y<\/strong>: \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t \u0111\u1ed9n ho\u1eb7c ch\u1ea5t ph\u1ee7 trong s\u1ea3n xu\u1ea5t gi\u1ea5y, t\u0103ng \u0111\u1ed9 s\u00e1ng v\u00e0 \u0111\u1ed9 m\u1ecbn.<\/p>\n\n\n\n<p><strong>V\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng<\/strong>:CaCO\u2083 l\u00e0 th\u00e0nh ph\u1ea7n ch\u00ednh trong xi m\u0103ng, b\u00ea t\u00f4ng v\u00e0 th\u1ea1ch cao.<\/p>\n\n\n\n<p><strong>N\u00f4ng nghi\u1ec7p<\/strong>: L\u00e0 ch\u1ea5t c\u1ea3i t\u1ea1o \u0111\u1ea5t, CaCO\u2083 l\u00e0m t\u0103ng \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t v\u00e0 th\u00fac \u0111\u1ea9y c\u00e2y tr\u1ed3ng ph\u00e1t tri\u1ec3n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">H: \u01afu \u0111i\u1ec3m c\u1ee7a CaCO\u2083 l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p><strong>Ti\u1ebft ki\u1ec7m chi ph\u00ed<\/strong>:CaCO\u2083 c\u00f3 nhi\u1ec1u v\u00e0 gi\u00e1 th\u00e0nh r\u1ebb n\u00ean ph\u00f9 h\u1ee3p cho s\u1ea3n xu\u1ea5t quy m\u00f4 l\u1edbn.<\/p>\n\n\n\n<p><strong>Th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng<\/strong>:L\u00e0 m\u1ed9t lo\u1ea1i kho\u00e1ng ch\u1ea5t t\u1ef1 nhi\u00ean, th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p b\u1ec1n v\u1eefng.<\/p>\n\n\n\n<p><strong>C\u1ea3i thi\u1ec7n t\u00ednh ch\u1ea5t v\u1eadt li\u1ec7u<\/strong>: N\u00f3 t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n, \u0111\u1ed9 m\u1ecbn v\u00e0 gi\u1ea3m s\u1ef1 gi\u00e3n n\u1edf v\u00ec nhi\u1ec7t trong nhi\u1ec1u \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p kh\u00e1c nhau.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">H: T\u1ea1i sao l\u1ea1i th\u00eam Canxi Cacbonat v\u00e0o kem \u0111\u00e1nh r\u0103ng?<\/h2>\n\n\n\n<p>N\u00f3 c\u00f3 ba ch\u1ee9c n\u0103ng ch\u00ednh:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ch\u1ea5t m\u00e0i m\u00f2n nh\u1eb9<\/strong> (\u0111\u1ec3 v\u1ec7 sinh v\u1eadt l\u00fd)<\/li>\n\n\n\n<li><strong>Ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh axit-baz\u01a1<\/strong> (\u0111\u1ec3 trung h\u00f2a \u0111\u1ed9 axit trong mi\u1ec7ng)<\/li>\n\n\n\n<li><strong>Thu\u1ed1c t\u0103ng c\u01b0\u1eddng canxi<\/strong> (t\u0103ng c\u01b0\u1eddng men r\u0103ng). \u0110\u1ed1i v\u1edbi r\u0103ng nh\u1ea1y c\u1ea3m, canxi hydro photphat l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n!<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">H: U\u1ed1ng vi\u00ean canxi c\u00f3 ph\u1ea3i l\u00e0 \u0103n \u0111\u00e1 kh\u00f4ng?<\/h2>\n\n\n\n<p>Th\u00f4ng minh! Nh\u01b0ng vi\u00ean n\u00e9n CaCO\u2083 tinh khi\u1ebft ch\u1ee9a t\u1edbi 40% canxi, v\u00e0 khi k\u1ebft h\u1ee3p v\u1edbi vitamin D, kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 s\u1ebd t\u1ed1t h\u01a1n. Tuy nhi\u00ean, nh\u1eefng ng\u01b0\u1eddi b\u1ecb axit d\u1ea1 d\u00e0y th\u1ea5p n\u00ean \u01b0u ti\u00ean canxi citrate, m\u1ed9t th\u1ef1c t\u1ebf th\u01b0\u1eddng \u0111\u01b0\u1ee3c c\u00e1c b\u00e1c s\u0129 nh\u1ea5n m\u1ea1nh!<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">H: L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u201cbi\u1ebfn \u0111\u00e1 v\u00f4i th\u00e0nh v\u00e0ng\u201d?<\/h2>\n\n\n\n<p>Qu\u00e1 tr\u00ecnh nung \u1edf nhi\u1ec7t \u0111\u1ed9 cao bi\u1ebfn \u0111\u00e1 v\u00f4i th\u00e0nh v\u00f4i s\u1ed1ng (CaO) \u2192 ph\u1ea3n \u1ee9ng v\u1edbi n\u01b0\u1edbc t\u1ea1o th\u00e0nh v\u00f4i t\u00f4i (Ca(OH)\u2082) \u2192 h\u1ea5p th\u1ee5 carbon dioxide v\u00e0 chuy\u1ec3n h\u00f3a tr\u1edf l\u1ea1i th\u00e0nh CaCO\u2083. \u201cChu tr\u00ecnh canxi\u201d k\u1ef3 di\u1ec7u n\u00e0y cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p ch\u1ee7 ch\u1ed1t nh\u01b0 xi m\u0103ng, luy\u1ec7n th\u00e9p v\u00e0 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">H: C\u00f4ng ngh\u1ec7 Nano Canxi Cacbonat l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p>N\u00f3 l\u00e0m gi\u1ea3m k\u00edch th\u01b0\u1edbc h\u1ea1t xu\u1ed1ng c\u00f2n 1\/5000 chi\u1ec1u r\u1ed9ng c\u1ee7a s\u1ee3i t\u00f3c! \u0110i\u1ec1u n\u00e0y gi\u00fap nh\u1ef1a ch\u1ed1ng m\u00e0i m\u00f2n t\u1ed1t h\u01a1n, s\u01a1n tr\u1eafng h\u01a1n v\u00e0 cao su b\u1ec1n h\u01a1n. Qu\u1ea3ng T\u00e2y, Trung Qu\u1ed1c, hi\u1ec7n s\u1ea3n xu\u1ea5t 60% nano-canxi tr\u00ean to\u00e0n th\u1ebf gi\u1edbi, bi\u1ebfn n\u00f3 th\u00e0nh &quot;v\u00e0ng tr\u1eafng&quot; tr\u1edf l\u1ea1i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Q: L\u00e0m th\u1ebf n\u00e0o <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/vi\/contact\/\">B\u1ed9t EPIC<\/a> C\u00f3 c\u1ea7n tr\u1ee3 gi\u00fap v\u1ec1 x\u1eed l\u00fd CaCO\u2083 kh\u00f4ng?<\/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=\"D\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t m\u00e1y nghi\u1ec1n bi v\u00e0 m\u00e1y ph\u00e2n lo\u1ea1i, d\u00e0nh cho canxi cacbonat, bao g\u1ed3m l\u1edbp ph\u1ee7 b\u1ec1 m\u1eb7t d\u1ea1ng b\u1ed9t\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/2EAsJYcLgB8?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>EPIC Powder cung c\u1ea5p c\u00e1c thi\u1ebft b\u1ecb x\u1eed l\u00fd b\u1ed9t ti\u00ean ti\u1ebfn, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u00e1y nghi\u1ec1n ph\u00e2n lo\u1ea1i kh\u00ed, m\u00e1y nghi\u1ec1n bi v\u00e0 h\u1ec7 th\u1ed1ng bi\u1ebfn t\u00ednh b\u1ec1 m\u1eb7t, gi\u00fap kh\u00e1ch h\u00e0ng s\u1ea3n xu\u1ea5t b\u1ed9t CaCO\u2083 hi\u1ec7u qu\u1ea3, \u0111\u00e1p \u1ee9ng c\u00e1c nhu c\u1ea7u \u0111a d\u1ea1ng c\u1ee7a ng\u00e0nh. V\u1edbi c\u00f4ng ngh\u1ec7 ki\u1ec3m so\u00e1t k\u00edch th\u01b0\u1edbc h\u1ea1t ch\u00ednh x\u00e1c v\u00e0 bi\u1ebfn t\u00ednh b\u1ec1 m\u1eb7t, EPIC Powder n\u00e2ng cao hi\u1ec7u su\u1ea5t c\u1ee7a canxi cacbonat trong nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau.<\/p>\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\/3454#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\/3454#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>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>H: Canxi cacbonat l\u00e0 g\u00ec? Nghe gi\u1ed1ng nh\u01b0 H\u00f3a h\u1ecdc! \u0110\u1eebng lo! \u0110\u00f3 l\u00e0 \u201cng\u01b0\u1eddi b\u1ea1n c\u0169\u201d h\u00e0ng ng\u00e0y c\u1ee7a b\u1ea1n \u2014 th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a \u0111\u00e1 v\u00f4i, \u201cch\u1ea5t t\u1ea1o n\u00ean \u00e1o gi\u00e1p\u201d c\u1ee7a v\u1ecf tr\u1ee9ng, v\u00e0 b\u00ed m\u1eadt \u0111\u1eb1ng sau v\u1ebb s\u00e1ng b\u00f3ng c\u1ee7a ng\u1ecdc trai. C\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc c\u1ee7a n\u00f3 l\u00e0 canxi cacbonat (CaCO\u2083), m\u1ed9t kho\u00e1ng ch\u1ea5t qu\u00fd gi\u00e1 t\u1eeb thi\u00ean nhi\u00ean. H: \u201cB\u1ea3n ng\u00e3 kh\u00e1c\u201d c\u1ee7a n\u00f3 l\u00e0 g\u00ec? H: [\u2026]<\/p>","protected":false},"author":1,"featured_media":3458,"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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