{"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":"ist-glukose-ein-reiner-stoff","status":"publish","type":"post","link":"https:\/\/www.sgnutri.com\/de\/ist-glukose-ein-reiner-stoff\/","title":{"rendered":"Ist Glukose eine reine Substanz?"},"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>Ja, Glukose ist ein reiner Stoff. Genauer gesagt, wird sie als reine chemische Verbindung eingestuft. Das liegt daran, dass Glukose eine bestimmte und konstante chemische Zusammensetzung hat, die durch die feste Formel C\u2086H\u2081\u2082O\u2086 dargestellt wird. Unabh\u00e4ngig davon, woher die Glukose stammt, bestehen ihre Molek\u00fcle immer aus genau 6 Kohlenstoffatomen, 12 Wasserstoffatomen und 6 Sauerstoffatomen, die in einer bestimmten Anordnung gebunden sind. Im Gegensatz zu Gemischen kann Glukose nicht mit physikalischen Mitteln in andere Stoffe aufgespalten werden, und sie besitzt eindeutige, konstante physikalische Eigenschaften (z. B. einen spezifischen Schmelzpunkt von ca. 146 \u00b0C). Daher f\u00e4llt Glukose in jeder Chemiepr\u00fcfung oder Klassifizierungspr\u00fcfung streng in die Kategorie der Reinsubstanz.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Glucose_Is_Absolutely_Pure\"><\/span>Glukose ist absolut rein<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Um genau zu sein, wird sie als reine Verbindung (Chemical Compound) eingestuft. Denn Glukose hat eine klare und konstante chemische Zusammensetzung, n\u00e4mlich die uns bekannte feste Formel - C6H12O6.<\/p>\n\n\n\n<p>Ob die Glukose in Ihrer Hand nun im Labor synthetisiert oder aus der pflanzlichen Photosynthese gewonnen wurde, ihre molekulare Zusammensetzung wird nie ver\u00e4ndert: 6 Kohlenstoffatome, 12 Wasserstoffatome und 6 Sauerstoffatome, und sie sind in einer bestimmten r\u00e4umlichen Struktur aneinander gebunden. Das ist etwas v\u00f6llig anderes als ein Gemisch. Man kann es nicht mit einfachen physikalischen Mitteln in andere Stoffe \"zerlegen\". Au\u00dferdem besitzt es einzigartige physikalische Eigenschaften (z. B. einen spezifischen Schmelzpunkt von etwa 146 \u00b0C). Daher ist Glukose sowohl bei der chemischen Untersuchung als auch bei der strengen Klassifizierung durch die wissenschaftliche Forschung unbestritten eine reine Substanz.<\/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 von Glukose\" 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>Warum erf\u00fcllt Glukose die Kriterien?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Um wirklich zu verstehen, warum Glukose rein ist, m\u00fcssen wir uns die Definition von \"Reinheit\" in der Chemie ansehen.<\/p>\n\n\n\n<p>Als Reinstoff bezeichnet man eine Stoffform mit konstanter chemischer Zusammensetzung und charakteristischen Eigenschaften. Sie kann nicht durch physikalische Trennverfahren wie Filtration und Verdampfung in verschiedene Bestandteile zerlegt werden.<\/p>\n\n\n\n<p>Glukose passt perfekt in diese Definition, denn sie ist die Verbindung. In der Chemie werden reine Stoffe in der Regel in zwei Kategorien unterteilt:<\/p>\n\n\n\n<p>Elemente: Ein Stoff, der aus 1 Art von Atomen besteht (z. B. Sauerstoff, Gold).<\/p>\n\n\n\n<p>Verbindung: Ein Stoff, der aus zwei oder mehr Atomen besteht, die durch chemische Bindungen in einem bestimmten Verh\u00e4ltnis miteinander verbunden sind.<\/p>\n\n\n\n<p>Glukose geh\u00f6rt eindeutig zu den letzteren. Sie ist ein einheitliches chemisches Gebilde und nicht ein zuf\u00e4lliges \"Sammelsurium\" von 1 Zusammensetzung \".<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Law_Of_Composition\"><\/span>Gesetz der Zusammensetzung<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Der Hauptgrund, warum Glukose als Reinstoff eingestuft wird, ist die strikte Einhaltung des Gesetzes der konstanten Zusammensetzung\" (auch Gesetz des bestimmten Verh\u00e4ltnisses genannt).<\/p>\n\n\n\n<p>Die chemische Formel von Glukose lautet C6H12O6. Es handelt sich um eine \"tote Ordnung\" auf molekularer Ebene \":<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Er muss Kohlenstoff, Wasserstoff und Sauerstoff enthalten.<\/li>\n\n\n\n<li>Das Atomverh\u00e4ltnis muss immer 1:2:1 sein (d. h. 6:12:6).<\/li>\n\n\n\n<li>Die strukturelle Anordnung der Atome muss identisch sein.<\/li>\n<\/ul>\n\n\n\n<p>Wenn man versucht, das Verh\u00e4ltnis zu \u00e4ndern - z. B. ein Sauerstoffatom zu entfernen und zu C6H12O5<br>Anstelle von Glukose wird sie zu einer v\u00f6llig anderen 1 von Verbindungen. Gerade weil jedes Glukosemolek\u00fcl mit einem anderen identisch ist, nennen wir diesen Stoff \"rein\".<\/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>An der Spitze der Ern\u00e4hrung<\/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>L\u00f6sliche Ballaststoffe<\/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>L\u00f6sliche Ballaststoffe sind hochstabile, unverdauliche Nahrungsbestandteile, die die Gewichtskontrolle f\u00f6rdern, indem sie das S\u00e4ttigungsgef\u00fchl steigern und die Nahrungsaufnahme reduzieren. Sie sind vielseitig einsetzbar und werden h\u00e4ufig verwendet, um das N\u00e4hrwertprofil und die Textur von Lebensmitteln, Getr\u00e4nken und Gesundheitsprodukten zu verbessern.<\/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\/de\/kategorie\/alleprodukte\/losliche-ballaststoffe\/\" rel=\"noopener noreferrer \">Angebot einholen<\/a><a class=\"hovers\" data-title=\"Get Quote\" style=\"color:#318ec8;background-color:#ffffff;padding:6px 43px;\" href=\"https:\/\/www.sgnutri.com\/de\/kategorie\/alleprodukte\/losliche-ballaststoffe\/\" 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>L\u00f6sliche Ballaststoffe<\/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>Pr\u00e4biotisch<\/strong><\/strong><\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Ein Pr\u00e4biotikum fungiert als Proliferationsfaktor, der selektiv von n\u00fctzlichen Darmbakterien abgebaut und verwertet wird, wie z. B.&nbsp;<em>Bifidobakterien<\/em>. Dieser Prozess wirkt sich positiv auf die allgemeine Gesundheit des Menschen aus und geht h\u00e4ufig mit metabolischen Vorteilen einher, wie z. B. einer geringen Kalorienbelastung und minimalen Blutzuckerschwankungen aufgrund ihrer einzigartigen Verdauungsstabilit\u00e4t.<\/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\/de\/kategorie\/alleprodukte\/prabiotisch\/\" rel=\"noopener noreferrer \">Angebot einholen<\/a><a class=\"hovers\" data-title=\"Get Quote\" style=\"color:#318ec8;background-color:#ffffff;padding:6px 43px;\" href=\"https:\/\/www.sgnutri.com\/de\/kategorie\/alleprodukte\/prabiotisch\/\" 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>Pr\u00e4biotisch<\/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>Vitamine<\/strong><\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><br>Vitamine sind essenzielle organische Mikron\u00e4hrstoffe, die in wasserl\u00f6sliche und fettl\u00f6sliche Formen unterteilt werden und wichtige physiologische Prozesse wie Stoffwechsel, Immunit\u00e4t und Blutgerinnung regulieren.  Aufgrund ihrer Empfindlichkeit gegen\u00fcber Licht, W\u00e4rme und Feuchtigkeit, <\/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\/de\/kategorie\/alleprodukte\/viatmins\/\" rel=\"noopener noreferrer \">Angebot einholen<\/a><a class=\"hovers\" data-title=\"Get Quote\" style=\"color:#318ec8;background-color:#ffffff;padding:6px 43px;\" href=\"https:\/\/www.sgnutri.com\/de\/kategorie\/alleprodukte\/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>Vitamine<\/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>Physikalische Eigenschaften<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Im Labor l\u00e4sst sich die Reinheit der Glukose oft am besten anhand ihrer physikalischen Eigenschaften feststellen.<\/p>\n\n\n\n<p>Die Beschaffenheit des Gemisches (unreiner Stoff) ist in der Regel schwankend und h\u00e4ngt vom Verh\u00e4ltnis der Bestandteile ab. So \u00e4ndert sich zum Beispiel der Siedepunkt von Salzwasser je nach der Menge des hinzugef\u00fcgten Salzes, und es gibt nie einen festen Wert.<\/p>\n\n\n\n<p>Ohne Verunreinigung sind die physikalischen Konstanten der Glukose jedoch fest:<\/p>\n\n\n\n<p>Schmelzpunkt: Reine \u03b1-D-Glucose hat einen Schmelzpunkt von etwa 146\u00b0C (295 \u00b0F). Wenn eine Probe \u00fcber einen gro\u00dfen Temperaturbereich (z. B. von 140\u00b0C bis 150\u00b0C) schmilzt, wei\u00df der Chemiker sofort, dass es sich um eine unreine Mischung handelt. Ein scharfer und fester Schmelzpunkt (Scharfschmelzpunkt) ist der Goldstandard f\u00fcr reine Substanzen.<\/p>\n\n\n\n<p>Die Dichte: Es hat eine spezifische Dichte (etwa 1,54 g\/cm\u00b3).<\/p>\n\n\n\n<p>Diese vorhersehbaren Eigenschaften erm\u00f6glichen es den Wissenschaftlern, ihre Identit\u00e4t durch einfache Messung festzustellen, was im Umkehrschluss ihren Status als reine Substanz best\u00e4tigt.<\/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 von Glukose\" 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>Reine Stoffe und Gemische nicht verwechseln<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Hier ist die Wahrscheinlichkeit am gr\u00f6\u00dften, dass die Sch\u00fcler in die Falle tappen: Sie verwechseln oft \"Glukose\" mit \"Glukosel\u00f6sung\" oder \"Blutzucker\". Die Unterscheidung ist hier entscheidend.<\/p>\n\n\n\n<p>Glukose (rein): Dies bezieht sich auf feste Kristalle oder isolierte Einzelmolek\u00fcle. Man kann den Kohlenstoff nicht aus dem Wasserstoff herausfiltern, und den Sauerstoff kann man nicht herauskochen. M\u00f6chten Sie sie aufspalten? Man muss diese chemische Reaktion in Zellen verbrennen oder einatmen.<\/p>\n\n\n\n<p>Glukosel\u00f6sung (Gemisch): Wenn Glukose in Wasser gel\u00f6st wird, entsteht ein homogenes Gemisch. Obwohl es so aussieht, ist es nicht rein, da man Glukose und Wasser durch physikalische Mittel (Verdampfen von Wasser) trennen kann.<\/p>\n\n\n\n<p>Wenn wir also fragen: \"Ist Glukose rein?\", meinen wir das Molek\u00fcl selbst, nicht seinen Zustand, wenn es gew\u00e4ssert wird.<\/p>\n\n\n\n<p>Autor\uff1a Sarah Bennett<br>\"Mit einem Doktortitel in organischer Chemie und mehr als 10 Jahren Lehrerfahrung bin ich darauf spezialisiert, komplexe wissenschaftliche Konzepte in klare, pr\u00e4zise Antworten f\u00fcr Studenten und Interessierte aufzul\u00f6sen. Ich hoffe, dass ich Chemie zug\u00e4nglich und leicht verst\u00e4ndlich machen kann.\"<\/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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