{"id":47173,"date":"2026-01-04T13:40:11","date_gmt":"2026-01-04T05:40:11","guid":{"rendered":"https:\/\/www.sgnutri.com\/?p=47173"},"modified":"2026-03-03T09:41:21","modified_gmt":"2026-03-03T01:41:21","slug":"es-la-glucosa-una-sustancia-pura","status":"publish","type":"post","link":"https:\/\/www.sgnutri.com\/es\/es-la-glucosa-una-sustancia-pura\/","title":{"rendered":"\u00bfEs la glucosa una sustancia pura?"},"content":{"rendered":"<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:17px;line-height:28px;color:#211c1c;padding:10px 20px;\">\n<div class=\"wp-block-column\">\n<p>S\u00ed, la glucosa es una sustancia pura. Concretamente, se clasifica como un compuesto qu\u00edmico puro. Esto se debe a que la glucosa tiene una composici\u00f3n qu\u00edmica definida y constante, representada por la f\u00f3rmula fija C\u2086H\u2081\u2082O\u2086. Independientemente de la procedencia de la glucosa, sus mol\u00e9culas siempre est\u00e1n formadas exactamente por 6 \u00e1tomos de carbono, 12 \u00e1tomos de hidr\u00f3geno y 6 \u00e1tomos de ox\u00edgeno enlazados en una disposici\u00f3n espec\u00edfica. A diferencia de las mezclas, la glucosa no puede separarse en otras sustancias por medios f\u00edsicos, y posee propiedades f\u00edsicas distintas y constantes (como un punto de fusi\u00f3n espec\u00edfico de aproximadamente 146\u00b0C). Por lo tanto, en cualquier examen de qu\u00edmica o prueba de clasificaci\u00f3n, la glucosa entra estrictamente en la categor\u00eda de sustancia pura.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Glucose_Is_Absolutely_Pure\"><\/span>La glucosa es absolutamente pura<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Para ser precisos, se clasifica como un compuesto puro (compuesto qu\u00edmico). Porque la glucosa tiene una composici\u00f3n qu\u00edmica clara y constante, que es nuestra conocida f\u00f3rmula fija-C6H12O6.<\/p>\n\n\n\n<p>Tanto si la glucosa que tienes en la mano se sintetiza en el laboratorio como si se extrae de la fotos\u00edntesis de una planta, su composici\u00f3n molecular nunca se tocar\u00e1: 6 \u00e1tomos de carbono, 12 \u00e1tomos de hidr\u00f3geno y 6 \u00e1tomos de ox\u00edgeno, y est\u00e1n unidos en una estructura espacial espec\u00edfica. Esto es completamente diferente de una mezcla. No se puede \"romper\" en otras sustancias por simples medios f\u00edsicos. Adem\u00e1s, posee propiedades f\u00edsicas \u00fanicas (como un punto de fusi\u00f3n espec\u00edfico de unos 146 \u00b0C). Por lo tanto, tanto en el examen qu\u00edmico como en la clasificaci\u00f3n rigurosa de la investigaci\u00f3n cient\u00edfica, la glucosa es indiscutiblemente una sustancia pura.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"441\" src=\"https:\/\/www.sgnutri.com\/wp-content\/uploads\/2026\/01\/image-1024x441.png\" alt=\"Foto de la glucosa\" class=\"wp-image-47174\" srcset=\"https:\/\/www.sgnutri.com\/wp-content\/uploads\/2026\/01\/image-1024x441.png 1024w, https:\/\/www.sgnutri.com\/wp-content\/uploads\/2026\/01\/image-300x129.png 300w, https:\/\/www.sgnutri.com\/wp-content\/uploads\/2026\/01\/image-768x331.png 768w, https:\/\/www.sgnutri.com\/wp-content\/uploads\/2026\/01\/image-18x8.png 18w, https:\/\/www.sgnutri.com\/wp-content\/uploads\/2026\/01\/image.png 1165w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_Does_Glucose_Meet_The_Criteria\"><\/span>\u00bfPor qu\u00e9 la glucosa cumple los criterios?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Para entender realmente por qu\u00e9 la glucosa es pura, tenemos que fijarnos en la definici\u00f3n de \"pureza\" en qu\u00edmica.<\/p>\n\n\n\n<p>Por sustancia pura se entiende una forma de sustancia con composici\u00f3n qu\u00edmica y propiedades caracter\u00edsticas constantes. No se puede separar en distintos componentes mediante m\u00e9todos f\u00edsicos de separaci\u00f3n como la filtraci\u00f3n y la evaporaci\u00f3n.<\/p>\n\n\n\n<p>La glucosa encaja perfectamente en esta definici\u00f3n porque es el compuesto. En el campo de la qu\u00edmica, las sustancias puras suelen dividirse en dos categor\u00edas:<\/p>\n\n\n\n<p>Elementos: Sustancia formada por 1 tipo de \u00e1tomos (por ejemplo, ox\u00edgeno, oro).<\/p>\n\n\n\n<p>Compuesto: Sustancia formada por dos o m\u00e1s \u00e1tomos unidos por enlaces qu\u00edmicos en una proporci\u00f3n fija.<\/p>\n\n\n\n<p>La glucosa pertenece claramente a este \u00faltimo grupo. Es una entidad qu\u00edmica unificada, no una \"mezcolanza\" aleatoria de 1 composici\u00f3n \".<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Law_Of_Composition\"><\/span>Ley de composici\u00f3n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>La raz\u00f3n fundamental por la que la glucosa se clasifica como sustancia pura es que cumple estrictamente la \"Ley de la composici\u00f3n constante\" (tambi\u00e9n llamada ley de la proporci\u00f3n definida).<\/p>\n\n\n\n<p>La f\u00f3rmula qu\u00edmica de la glucosa es C6H12O6. Se trata de un \"orden muerto\" a nivel molecular \":<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Debe contener carbono, hidr\u00f3geno y ox\u00edgeno.<\/li>\n\n\n\n<li>La proporci\u00f3n at\u00f3mica debe ser siempre 1:2:1 (es decir, 6:12:6).<\/li>\n\n\n\n<li>La disposici\u00f3n estructural de los \u00e1tomos debe ser id\u00e9ntica.<\/li>\n<\/ul>\n\n\n\n<p>Si intentas cambiar la proporci\u00f3n - digamos, quitar un \u00e1tomo de ox\u00edgeno y convertirlo en C6H12O5<br>En lugar de glucosa, se convierte en un 1 de compuestos completamente distintos. Precisamente porque cada mol\u00e9cula de glucosa es id\u00e9ntica a otra, llamamos \"pura\" a esta sustancia.<\/p>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined\" id=\"maxw\" style=\"padding-bottom:100px;padding-top:100px;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in clomnsmal  clomnnone\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<p class=\"has-text-align-center has-themecolor-1-color has-text-color has-link-color has-large-font-size wp-elements-a412b82537ce59baad06b01a96b3c1d2\"><strong>A la vanguardia de la nutrici\u00f3n<\/strong><\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined  product-demo1\" id=\"maxw\" style=\"\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in clomnsmal  clomnnone\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:14px;line-height:25px;color:#333333;padding:20px 20px;\">\n<div class=\"wp-block-column\">\n<p class=\"has-themecolor-1-color has-text-color has-link-color has-medium-font-size wp-elements-abc467a7e19bc0b8f4faebef530f0542\"><strong><strong><strong><strong><strong><strong>Fibra soluble<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>La fibra soluble es un ingrediente diet\u00e9tico altamente estable y no digerible que favorece el control del peso aumentando la saciedad y reduciendo la ingesta de alimentos. De aplicaci\u00f3n vers\u00e1til, se utiliza ampliamente para mejorar el perfil nutricional y la textura de alimentos, bebidas y productos sanitarios.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-themepark-block-btn themepark-i-btn-out\" style=\"text-align:undefined;\"><div class=\"themepark-i-btn-out_ins\" style=\"\"><div class=\"themepark-i-btn-out_in\"><div class=\"themepark-i-btn\" style=\"background-color:#0aa652;color:#ffffff;font-size:14px;border:solid 1px #318ec8;padding:6px 43px;\"><a href=\"https:\/\/www.sgnutri.com\/es\/categoria\/todos-los-productos\/fibra-soluble\/\" rel=\"noopener noreferrer \">Obtener presupuesto<\/a><a class=\"hovers\" data-title=\"Get Quote\" style=\"color:#318ec8;background-color:#ffffff;padding:6px 43px;\" href=\"https:\/\/www.sgnutri.com\/es\/categoria\/todos-los-productos\/fibra-soluble\/\" rel=\"noopener noreferrer\" target=\"_self\"><\/a><\/div><\/div><\/div><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column\" style=\"flex-basis:5%\"><\/div>\n\n\n\n<div class=\"wp-block-column\" style=\"flex-basis:50%\">\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined\" id=\"\" style=\"padding-top:110px;height:300px;box-sizing: border-box;width: 100%;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<h2 class=\"wp-block-heading has-text-align-center hover-only-title has-themecolor-1-color has-text-color has-link-color wp-elements-b45b7f3fb95a8220ad5d673dd5e4fc25\" style=\"font-size:30px\"><span class=\"ez-toc-section\" id=\"Soluble_Fiber\"><\/span><strong><strong><strong><strong><strong>Fibra soluble<\/strong><\/strong><\/strong><\/strong><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/div>\n<\/div><div class=\"layout_badh\"><div class=\"PcOnly themepark-block_layout_ba lazyload swiper-lazy\" style=\"background-repeat:no-repeat;background-size:cover;\" data-background=\"https:\/\/www.sgnutri.com\/wp-content\/uploads\/2025\/12\/\u672a\u6807\u9898-2.png\"><\/div><div class=\"MovePnly themepark-block_layout_ba lazyload swiper-move-lazy\" style=\"background-repeat:no-repeat;background-size:cover;\" data-background=\"https:\/\/www.sgnutri.com\/wp-content\/uploads\/2025\/12\/\u672a\u6807\u9898-2.png\"><\/div><\/div><\/section>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined  product-demo1\" id=\"maxw\" style=\"\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in clomnsmal  clomnnone\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:14px;line-height:25px;color:#333333;padding:20px 20px;\">\n<div class=\"wp-block-column\">\n<p class=\"has-themecolor-1-color has-text-color has-link-color has-medium-font-size wp-elements-04e1b3374feb268aed97152a1f9aac63\"><strong><strong>Prebi\u00f3tico<\/strong><\/strong><\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Un prebi\u00f3tico funciona como un factor de proliferaci\u00f3n que es degradado y utilizado selectivamente por bacterias intestinales beneficiosas, como&nbsp;<em>Bifidobacterias<\/em>. Este proceso ejerce un efecto positivo sobre la salud humana en general, a menudo acompa\u00f1ado de ventajas metab\u00f3licas como un bajo impacto cal\u00f3rico y fluctuaciones m\u00ednimas del az\u00facar en sangre debido a su estabilidad digestiva \u00fanica.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-themepark-block-btn themepark-i-btn-out\" style=\"text-align:undefined;\"><div class=\"themepark-i-btn-out_ins\" style=\"\"><div class=\"themepark-i-btn-out_in\"><div class=\"themepark-i-btn\" style=\"background-color:#0aa652;color:#ffffff;font-size:14px;border:solid 1px #318ec8;padding:6px 43px;\"><a href=\"https:\/\/www.sgnutri.com\/es\/categoria\/todos-los-productos\/prebiotico\/\" rel=\"noopener noreferrer \">Obtener presupuesto<\/a><a class=\"hovers\" data-title=\"Get Quote\" style=\"color:#318ec8;background-color:#ffffff;padding:6px 43px;\" href=\"https:\/\/www.sgnutri.com\/es\/categoria\/todos-los-productos\/prebiotico\/\" rel=\"noopener noreferrer\" target=\"_self\"><\/a><\/div><\/div><\/div><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column\" style=\"flex-basis:5%\"><\/div>\n\n\n\n<div class=\"wp-block-column\" style=\"flex-basis:50%\">\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined\" id=\"\" style=\"padding-top:110px;height:300px;box-sizing: border-box;width: 100%;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<h2 class=\"wp-block-heading has-text-align-center hover-only-title has-themecolor-1-color has-text-color has-link-color wp-elements-6dcb043e5f0a710efa5e014da6febeb2\" style=\"font-size:30px\"><span class=\"ez-toc-section\" id=\"Prebiotic\"><\/span><strong><strong>Prebi\u00f3tico<\/strong><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/div>\n<\/div><div class=\"layout_badh\"><div class=\"PcOnly themepark-block_layout_ba lazyload swiper-lazy\" style=\"background-repeat:no-repeat;background-size:cover;\" data-background=\"https:\/\/www.sgnutri.com\/wp-content\/uploads\/2025\/12\/\u672a\u6807\u9898-5.png\"><\/div><div class=\"MovePnly themepark-block_layout_ba lazyload swiper-move-lazy\" style=\"background-repeat:no-repeat;background-size:cover;\" data-background=\"https:\/\/www.sgnutri.com\/wp-content\/uploads\/2025\/12\/\u672a\u6807\u9898-5.png\"><\/div><\/div><\/section>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined  product-demo1\" id=\"maxw\" style=\"\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in clomnsmal  clomnnone\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:14px;line-height:25px;color:#333333;padding:20px 20px;\">\n<div class=\"wp-block-column\">\n<p class=\"has-themecolor-1-color has-text-color has-link-color has-medium-font-size wp-elements-9c16a18866d3d60738f810938ceef076\"><strong>Vitaminas<\/strong><\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><br>Las vitaminas son micronutrientes org\u00e1nicos esenciales, clasificados en formas hidrosolubles y liposolubles, que regulan procesos fisiol\u00f3gicos cr\u00edticos como el metabolismo, la inmunidad y la coagulaci\u00f3n.  Debido a su sensibilidad a la luz, el calor y la humedad, <\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-themepark-block-btn themepark-i-btn-out\" style=\"text-align:undefined;\"><div class=\"themepark-i-btn-out_ins\" style=\"\"><div class=\"themepark-i-btn-out_in\"><div class=\"themepark-i-btn\" style=\"background-color:#0aa652;color:#ffffff;font-size:14px;border:solid 1px #318ec8;padding:6px 43px;\"><a href=\"https:\/\/www.sgnutri.com\/es\/categoria\/todos-los-productos\/viatmins\/\" rel=\"noopener noreferrer \">Obtener presupuesto<\/a><a class=\"hovers\" data-title=\"Get Quote\" style=\"color:#318ec8;background-color:#ffffff;padding:6px 43px;\" href=\"https:\/\/www.sgnutri.com\/es\/categoria\/todos-los-productos\/viatmins\/\" rel=\"noopener noreferrer\" target=\"_self\"><\/a><\/div><\/div><\/div><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column\" style=\"flex-basis:5%\"><\/div>\n\n\n\n<div class=\"wp-block-column\" style=\"flex-basis:50%\">\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined\" id=\"\" style=\"padding-top:110px;height:300px;box-sizing: border-box;width: 100%;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<h2 class=\"wp-block-heading has-text-align-center hover-only-title has-themecolor-1-color has-text-color has-link-color wp-elements-cb59af2c229b8669dc39731809bb0a5b\" style=\"font-size:30px\"><span class=\"ez-toc-section\" id=\"Vitamins\"><\/span><strong>Vitaminas<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/div>\n<\/div><div class=\"layout_badh\"><div class=\"PcOnly themepark-block_layout_ba lazyload swiper-lazy\" style=\"background-repeat:no-repeat;background-size:cover;background-position:center;\" data-background=\"https:\/\/www.sgnutri.com\/wp-content\/uploads\/2025\/12\/\u672a\u6807\u9898-3.png\"><\/div><div class=\"MovePnly themepark-block_layout_ba lazyload swiper-move-lazy\" style=\"background-repeat:no-repeat;background-size:cover;background-position:center;\" data-background=\"https:\/\/www.sgnutri.com\/wp-content\/uploads\/2025\/12\/\u672a\u6807\u9898-3.png\"><\/div><\/div><\/section>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<style>\n.product-demo1{\n  border:1px solid #D4D4D4;\n}\n\n\/* \u533a\u5757\u6574\u4f53 hover \u80cc\u666f + \u6587\u5b57\u53d8\u767d *\/\n.product-demo1 {\n    transition: background-color 0.45s ease;\n}\n\n.product-demo1:hover {\n    background-color: var(--wp--preset--color--themecolor-1);\n}\n\n\/* \u5de6\u4fa7\u6240\u6709\u6587\u5b57 hover \u540e\u5f3a\u5236\u767d\u8272 *\/\n.product-demo1:hover .content-super-p,\n.product-demo1:hover .content-super-p p,\n.product-demo1:hover .content-super-p strong,\n.product-demo1:hover .content-super-p .has-medium-font-size {\n    color: #ffffff !important;\n}\n\n\/* \u6309\u94ae\uff1a\u521d\u59cb\u4e3b\u9898\u8272\u5e95+\u767d\u5b57 \u2192 hover \u767d\u5e95+\u4e3b\u9898\u8272\u5b57 *\/\n.product-demo1 .themepark-i-btn {\n    background-color: var(--wp--preset--color--themecolor-1) !important;\n    color: #ffffff !important;\n    border-color: var(--wp--preset--color--themecolor-1) !important;\n    transition: all 0.4s ease;\n}\n\n.product-demo1:hover .themepark-i-btn {\n    background-color: #ffffff !important;\n    color: var(--wp--preset--color--themecolor-1) !important;\n    border-color: var(--wp--preset--color--themecolor-1) !important;\n}\n\n\/* \u2500\u2500\u2500 \u53f3\u4fa7\u56fe\u7247\u533a\u57df\uff1a\u906e\u7f69 + hover-only-title \u2500\u2500\u2500 *\/\n\n.PcOnly.themepark-block_layout_ba {\n    position: relative;           \/* \u5173\u952e\uff1a\u8ba9 ::before \u548c\u5b50\u5143\u7d20\u5b9a\u4f4d *\/\n}\n\n\/* \u906e\u7f69\u5c42\uff1a\u521d\u59cb\u5b8c\u5168\u900f\u660e *\/\n.PcOnly.themepark-block_layout_ba::before {\n    content: \"\";\n    position: absolute;\n    inset: 0;\n    background-color: #000;\n    opacity: 0;\n    transition: opacity 0.5s ease;\n    z-index: 1;\n    pointer-events: none;\n}\n\n\/* hover \u540e\u663e\u793a 30% \u906e\u7f69 *\/\n.product-demo1:hover .PcOnly.themepark-block_layout_ba::before {\n    opacity: 0.3;\n}\n\n\/* hover-only-title\uff1a\u521d\u59cb\u9690\u85cf *\/\n.hover-only-title {\n    opacity: 0;\n    visibility: hidden;\n    transform: translateY(30px);           \/* \u7a0d\u5fae\u5411\u4e0b\u504f\u79fb\uff0c\u589e\u52a0\u51fa\u73b0\u65f6\u7684\u52a8\u6001 *\/\n    transition: all 0.55s ease;\n    z-index: 2;                            \/* \u786e\u4fdd\u5728\u906e\u7f69\u4e0a\u9762 *\/\n    position: relative;                    \/* \u76f8\u5bf9\u5b9a\u4f4d\uff0c\u907f\u514d\u88ab ::before \u76d6\u4f4f *\/\n    text-shadow: 0 3px 12px rgba(0,0,0,0.7);\n}\n\n\/* \u533a\u5757 hover \u540e\uff1a\u663e\u793a\u6807\u9898 + \u5f52\u4f4d + \u52a8\u753b *\/\n.product-demo1:hover .hover-only-title {\n    opacity: 1;\n    visibility: visible;\n    transform: translateY(0);\n}\n\n\/* \u53ef\u9009\uff1ahover \u65f6\u8ba9\u6807\u9898\u66f4\u7a81\u51fa\uff08\u8f7b\u5fae\u653e\u5927\uff09 *\/\n.product-demo1:hover .hover-only-title {\n    transform: translateY(0) scale(1.05);\n}\n<\/style>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<style>\n.radius-border20 {\n  border-radius: 20px;\n}\n\n.product-hover {\n  position: relative;\n  overflow: hidden;\n  cursor: pointer;\n  border-radius: 20px;\n  transition: box-shadow 0.4s ease, transform 0.3s ease;\n  box-shadow: 0 4px 12px rgba(0,0,0,0.08);\n}\n\n.product-hover:hover {\n  box-shadow:\n    \/* \u4e3b\u8272\u504f\u79fb\u5c64\uff08\u5be6\u5fc3\u504f\u79fb\uff09 *\/\n    5px 5px 0 var(--wp--preset--color--themecolor-1),\n    \n    \/* \u6539\u7528\u4e3b\u984c\u8272\u7684\u67d4\u548c\u5149\u6688\/\u6a21\u7cca\u5c64\uff08\u53d6\u4ee3\u539f\u672c\u7684\u767d\u8272 0.35\uff09 *\/\n    10px 10px 20px color-mix(in srgb, var(--wp--preset--color--themecolor-1) 25%, transparent),\n    \n    \/* \u6574\u9ad4\u9670\u5f71\u4e5f\u5e36\u4e00\u9ede\u4e3b\u984c\u8272\u8abf\uff08\u53d6\u4ee3\u7d14\u9ed1\uff09 *\/\n    0 10px 24px color-mix(in srgb, var(--wp--preset--color--themecolor-1) 12%, rgba(0,0,0,0.10));\n  \n  transform: translateY(-3px);\n}\n\n.product-hover:hover .themepark-i-btn {\n  background-color: var(--wp--preset--color--themecolor-1) !important;\n  color: #ffffff !important;\n  transition: all 0.3s ease;\n}\n\n.product-hover:hover .hovers {\n  background-color: var(--wp--preset--color--themecolor-1) !important;\n  color: #ffffff !important;\n}\n<\/style>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Physical_Properties\"><\/span>Propiedades f\u00edsicas<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>En el laboratorio, la prueba m\u00e1s dif\u00edcil para determinar si la glucosa es pura suele proceder de sus propiedades f\u00edsicas.<\/p>\n\n\n\n<p>La naturaleza de la mezcla (sustancia impura) suele ser flotante, dependiendo de la proporci\u00f3n de los ingredientes. Por ejemplo, el punto de ebullici\u00f3n del agua salada cambiar\u00e1 en funci\u00f3n de la cantidad de sal que se a\u00f1ada, y nunca hay un valor fijo.<\/p>\n\n\n\n<p>Pero en ausencia de contaminaci\u00f3n, las constantes f\u00edsicas de la glucosa son fijas:<\/p>\n\n\n\n<p>Punto de fusi\u00f3n: La \u03b1-D-glucosa pura tiene un punto de fusi\u00f3n de unos 146\u00b0C (295 \u00b0F). Si una muestra se funde en un intervalo de temperatura amplio (por ejemplo, de 140\u00b0C a 150\u00b0C), el qu\u00edmico sabe inmediatamente que se trata de una mezcla impura. El punto de fusi\u00f3n agudo y fijo (punto de fusi\u00f3n agudo) es el patr\u00f3n oro para las sustancias puras.<\/p>\n\n\n\n<p>Densidad: Tiene una densidad espec\u00edfica (aproximadamente 1,54 g\/cm\u00b3).<\/p>\n\n\n\n<p>Estas propiedades predecibles permiten a los cient\u00edficos fijar su identidad simplemente midi\u00e9ndola, lo que a la inversa confirma su condici\u00f3n de sustancia pura.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"501\" src=\"https:\/\/www.sgnutri.com\/wp-content\/uploads\/2026\/01\/image-1-1024x501.png\" alt=\"Foto de la glucosa\" class=\"wp-image-47175\" srcset=\"https:\/\/www.sgnutri.com\/wp-content\/uploads\/2026\/01\/image-1-1024x501.png 1024w, https:\/\/www.sgnutri.com\/wp-content\/uploads\/2026\/01\/image-1-300x147.png 300w, https:\/\/www.sgnutri.com\/wp-content\/uploads\/2026\/01\/image-1-768x376.png 768w, https:\/\/www.sgnutri.com\/wp-content\/uploads\/2026\/01\/image-1-18x9.png 18w, https:\/\/www.sgnutri.com\/wp-content\/uploads\/2026\/01\/image-1.png 1169w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Dont_Confuse_Pure_Substances_And_Mixtures\"><\/span>No confundir sustancias puras y mezclas<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Aqu\u00ed es donde es m\u00e1s probable que los alumnos pisen el foso: a menudo confunden \"glucosa\" con \"soluci\u00f3n de glucosa\" o \"az\u00facar en sangre\". La distinci\u00f3n aqu\u00ed es crucial.<\/p>\n\n\n\n<p>Glucosa (pura): Se refiere a cristales s\u00f3lidos o mol\u00e9culas aisladas. No se puede filtrar el carbono del hidr\u00f3geno ni hervir el ox\u00edgeno. \u00bfQuieres separarlos? Tienes que quemar o respirar esta reacci\u00f3n qu\u00edmica en las c\u00e9lulas.<\/p>\n\n\n\n<p>Soluci\u00f3n de glucosa (mezcla): Cuando la glucosa se disuelve en agua, se forma una mezcla homog\u00e9nea. Aunque parezca una sola, no es pura porque se puede separar la glucosa y el agua por medios f\u00edsicos (evaporando el agua).<\/p>\n\n\n\n<p>Por tanto, cuando preguntamos: \"\u00bfEs pura la glucosa?\", nos referimos a la mol\u00e9cula en s\u00ed, no a su estado cuando se riega.<\/p>\n\n\n\n<p>Autor\uff1a Sarah Bennett<br>\"Con un doctorado en Qu\u00edmica Org\u00e1nica y m\u00e1s de 10 a\u00f1os de experiencia docente, me especializo en desglosar conceptos cient\u00edficos complejos en respuestas claras y precisas para estudiantes y entusiastas. Espero hacer que la qu\u00edmica sea accesible y f\u00e1cil de entender\".<\/p>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":47174,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"themepark_post_bcolor":"#ffffff","themepark_post_width":"1022px","themepark_post_img":"","themepark_post_img_po":"left","themepark_post_img_re":false,"themepark_post_img_cover":false,"themepark_post_img_fixed":false,"themepark_post_hide_title":false,"themepark_post_main_b":"#ffffff","themepark_post_main_p":100,"themepark_paddingblock":true,"footnotes":""},"categories":[66],"tags":[],"class_list":["post-47173","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-huishou"],"metadata":{"_edit_lock":["1772502099:1"],"rank_math_seo_score":["20"],"rank_math_primary_category":["66"],"_thumbnail_id":["47174"],"themepark_post_bcolor":["#ffffff"],"themepark_post_width":["1022px"],"themepark_post_img":[""],"themepark_post_img_po":["left"],"themepark_post_img_re":[""],"themepark_post_img_cover":[""],"themepark_post_img_fixed":[""],"themepark_post_hide_title":[""],"themepark_post_main_b":["#ffffff"],"themepark_post_main_p":["100"],"themepark_paddingblock":["1"],"footnotes":[""],"_edit_last":["1"],"_ez-toc-disabled":[""],"_ez-toc-insert":[""],"_ez-toc-header-label":[""],"_ez-toc-device-target":[""],"_ez-toc-alignment":["none"],"_ez-toc-heading-levels":["a:0:{}"],"_ez-toc-alttext":[""],"_ez-toc-visibility_hide_by_default":[""],"_ez-toc-hide_counter":[""],"_ez-toc-exclude":[""],"_ez-toc-position-specific":[""],"themepark_seo_title":["Is Glucose A Pure Substance"],"themepark_seo_description":["Is Glucose A Pure Substance? 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