{"id":1338,"date":"2020-08-19T08:35:00","date_gmt":"2020-08-19T08:35:00","guid":{"rendered":"http:\/\/www.chemieseiten.de\/?p=1338"},"modified":"2026-07-03T17:11:41","modified_gmt":"2026-07-03T15:11:41","slug":"natriumhydoxid-natronlauge","status":"publish","type":"post","link":"https:\/\/www.chemieseiten.de\/?p=1338","title":{"rendered":"Natriumhydoxid &#8211; Natronlauge"},"content":{"rendered":"<div class=\"wp-block-image is-resized\">\n<figure class=\"alignleft size-large\"><div class=\"wpcp-wp-lightbox-host wpcp-advanced-image-lightbox-icon-hover\"><a class=\"wpcp-wp-lightbox-image-link\" href=\"https:\/\/www.chemieseiten.de\/wp-content\/uploads\/2020\/08\/acid.png\" data-wpcp-wp-lb-image=\"1\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"900\" src=\"https:\/\/www.chemieseiten.de\/wp-content\/uploads\/2020\/08\/acid.png\" alt=\"\" class=\"wp-image-1340\" style=\"width:256px;height:auto\" srcset=\"https:\/\/www.chemieseiten.de\/wp-content\/uploads\/2020\/08\/acid.png 900w, https:\/\/www.chemieseiten.de\/wp-content\/uploads\/2020\/08\/acid-300x300.png 300w, https:\/\/www.chemieseiten.de\/wp-content\/uploads\/2020\/08\/acid-150x150.png 150w, https:\/\/www.chemieseiten.de\/wp-content\/uploads\/2020\/08\/acid-768x768.png 768w, https:\/\/www.chemieseiten.de\/wp-content\/uploads\/2020\/08\/acid-80x80.png 80w, https:\/\/www.chemieseiten.de\/wp-content\/uploads\/2020\/08\/acid-250x250.png 250w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/a><a href=\"https:\/\/www.chemieseiten.de\/wp-content\/uploads\/2020\/08\/acid.png\" data-fancybox=\"wpcp-wp-img-1340\" class=\"wpcp-lightbox-trigger wpcp-advanced-image-lightbox-icon wpcp-position-top-right wpcp-advanced-image-lightbox-icon-hover wpcp-global-lightbox-icon wpcp-lightbox-icon--global wpcp-lb-icon-style-default\" data-wpcp-lb-icon-source=\"global\" aria-label=\"Open image in lightbox\" data-thumb-src=\"https:\/\/www.chemieseiten.de\/wp-content\/uploads\/2020\/08\/acid-300x300.png\" data-wpcp-lb-single=\"1\"><span class=\"wpcp-icon-container\"><svg viewBox=\"0 0 20 20\"><path d=\"M17.6585 16.025L14.2437 12.6198C15.1716 11.3338 15.6121 9.7613 15.4871 8.1819C15.362 6.60251 14.6795 5.11847 13.5607 3.99351C12.936 3.36206 12.1916 2.86066 11.3709 2.51845C10.5502 2.17623 9.66952 2 8.77995 2C7.89039 2 7.00969 2.17623 6.18899 2.51845C5.36829 2.86066 4.62395 3.36206 3.99919 3.99351C3.36594 4.61649 2.86312 5.35871 2.51992 6.17708C2.17673 6.99545 2 7.87365 2 8.76068C2 9.64772 2.17673 10.5259 2.51992 11.3443C2.86312 12.1627 3.36594 12.9049 3.99919 13.5279C5.11957 14.6901 6.62279 15.4103 8.23285 15.5562C9.84291 15.7022 11.4517 15.2641 12.7639 14.3224L16.1788 17.7275C16.3849 17.9034 16.6473 18 16.9186 18C17.1899 18 17.4523 17.9034 17.6585 17.7275C18.1138 17.16 18.1138 16.5925 17.6585 16.025ZM5.59278 12.0523C5.16258 11.6298 4.82094 11.1263 4.58774 10.5709C4.35455 10.0156 4.23446 9.41951 4.23446 8.81744C4.23446 8.21536 4.35455 7.6193 4.58774 7.06394C4.82094 6.50859 5.16258 6.00503 5.59278 5.58257C6.01644 5.15359 6.52144 4.81292 7.07838 4.58039C7.63532 4.34786 8.23308 4.22811 8.83687 4.22811C9.44066 4.22811 10.0384 4.34786 10.5954 4.58039C11.1523 4.81292 11.6573 5.15359 12.081 5.58257C12.5112 6.00503 12.8528 6.50859 13.086 7.06394C13.3192 7.6193 13.4393 8.21536 13.4393 8.81744C13.4393 9.41951 13.3192 10.0156 13.086 10.5709C12.8528 11.1263 12.5112 11.6298 12.081 12.0523C11.6573 12.4813 11.1523 12.822 10.5954 13.0545C10.0384 13.287 9.44066 13.4068 8.83687 13.4068C8.23308 13.4068 7.63532 13.287 7.07838 13.0545C6.52144 12.822 6.01644 12.4813 5.59278 12.0523Z\" \/><\/svg><\/span><\/a><\/div><\/figure>\n<\/div>\n\n\n<p><a href=\"https:\/\/www.chemieseiten.de\/?p=1405\">Hydroxide<\/a> &#8211; wie Natriumhydroxid &#8211; ind meist wasserl\u00f6sliche Feststoffe, die Basen genannt werden.  L\u00f6st man die Hydroxide in Wasser, so entstehen Laugen dieser Feststoffe. <\/p>\n\n\n\n<p><em><strong>Merke: <\/strong><\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><div class=\"wpcp-wp-lightbox-host wpcp-advanced-image-lightbox-icon-hover\"><a class=\"wpcp-wp-lightbox-image-link\" href=\"https:\/\/www.chemieseiten.de\/wp-content\/uploads\/2020\/08\/laugensindfluessig.jpg\" data-wpcp-wp-lb-image=\"1\"><img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"52\" src=\"https:\/\/www.chemieseiten.de\/wp-content\/uploads\/2020\/08\/laugensindfluessig.jpg\" alt=\"Natriumhydroxid\" class=\"wp-image-1354\" style=\"width:345px;height:45px\" srcset=\"https:\/\/www.chemieseiten.de\/wp-content\/uploads\/2020\/08\/laugensindfluessig.jpg 400w, https:\/\/www.chemieseiten.de\/wp-content\/uploads\/2020\/08\/laugensindfluessig-300x39.jpg 300w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a><a href=\"https:\/\/www.chemieseiten.de\/wp-content\/uploads\/2020\/08\/laugensindfluessig.jpg\" data-fancybox=\"wpcp-wp-img-1354\" class=\"wpcp-lightbox-trigger wpcp-advanced-image-lightbox-icon wpcp-position-top-right wpcp-advanced-image-lightbox-icon-hover wpcp-global-lightbox-icon wpcp-lightbox-icon--global wpcp-lb-icon-style-default\" data-wpcp-lb-icon-source=\"global\" aria-label=\"Open image in lightbox\" data-thumb-src=\"https:\/\/www.chemieseiten.de\/wp-content\/uploads\/2020\/08\/laugensindfluessig-300x39.jpg\" data-wpcp-lb-single=\"1\"><span class=\"wpcp-icon-container\"><svg viewBox=\"0 0 20 20\"><path d=\"M17.6585 16.025L14.2437 12.6198C15.1716 11.3338 15.6121 9.7613 15.4871 8.1819C15.362 6.60251 14.6795 5.11847 13.5607 3.99351C12.936 3.36206 12.1916 2.86066 11.3709 2.51845C10.5502 2.17623 9.66952 2 8.77995 2C7.89039 2 7.00969 2.17623 6.18899 2.51845C5.36829 2.86066 4.62395 3.36206 3.99919 3.99351C3.36594 4.61649 2.86312 5.35871 2.51992 6.17708C2.17673 6.99545 2 7.87365 2 8.76068C2 9.64772 2.17673 10.5259 2.51992 11.3443C2.86312 12.1627 3.36594 12.9049 3.99919 13.5279C5.11957 14.6901 6.62279 15.4103 8.23285 15.5562C9.84291 15.7022 11.4517 15.2641 12.7639 14.3224L16.1788 17.7275C16.3849 17.9034 16.6473 18 16.9186 18C17.1899 18 17.4523 17.9034 17.6585 17.7275C18.1138 17.16 18.1138 16.5925 17.6585 16.025ZM5.59278 12.0523C5.16258 11.6298 4.82094 11.1263 4.58774 10.5709C4.35455 10.0156 4.23446 9.41951 4.23446 8.81744C4.23446 8.21536 4.35455 7.6193 4.58774 7.06394C4.82094 6.50859 5.16258 6.00503 5.59278 5.58257C6.01644 5.15359 6.52144 4.81292 7.07838 4.58039C7.63532 4.34786 8.23308 4.22811 8.83687 4.22811C9.44066 4.22811 10.0384 4.34786 10.5954 4.58039C11.1523 4.81292 11.6573 5.15359 12.081 5.58257C12.5112 6.00503 12.8528 6.50859 13.086 7.06394C13.3192 7.6193 13.4393 8.21536 13.4393 8.81744C13.4393 9.41951 13.3192 10.0156 13.086 10.5709C12.8528 11.1263 12.5112 11.6298 12.081 12.0523C11.6573 12.4813 11.1523 12.822 10.5954 13.0545C10.0384 13.287 9.44066 13.4068 8.83687 13.4068C8.23308 13.4068 7.63532 13.287 7.07838 13.0545C6.52144 12.822 6.01644 12.4813 5.59278 12.0523Z\" \/><\/svg><\/span><\/a><\/div><\/figure>\n\n\n\n<p>Diese Stoffe sind meist \u00e4tzend und f\u00e4rben den Indikator UNITEST blau bis violett. <br>Man sagt, diese Stoffe reagieren &#8222;alkalisch&#8220;\/basisch. F\u00fcr Basen gilt die <abbr class='c2c-text-hover' title='&quot;Erst das Wasser dann die S\u00e4ure sonst geschieht das Ungeheure!&quot;'>Verd\u00fcnnungsregel<\/abbr>, da das L\u00f6sen meist stark <abbr class='c2c-text-hover' title='Prozess, bei dem W\u00e4rme abgegeben wird.'>exotherm<\/abbr> verl\u00e4uft!<\/p>\n\n\n\n<p class=\"has-text-align-center has-white-color has-primary-background-color has-text-color has-background\"><strong>&#8222;Erst das Wasser, dann die Lauge, sonst hast Du das Zeug im Auge!&#8220;<\/strong><br><strong>(Hier leicht abgewandelt.)<\/strong><\/p>\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 loading=\"lazy\" title=\"Herstellung von Laugen\" width=\"860\" height=\"484\" src=\"https:\/\/www.youtube.com\/embed\/mwZFJpTun3I?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 class=\"has-light-gray-background-color has-background\"><strong>Merke:<\/strong><br>Metalloxide bilden in Wasser Hydroxide. Metalloxid + Wasser &#8211;&gt; Metallhydroxid (Base)<\/p>\n\n\n\n<h4 class=\"wp-block-heading has-white-color has-primary-background-color has-text-color has-background\"><strong>Natriumhydroxid (NaOH)<\/strong> <\/h4>\n\n\n<div class=\"wp-block-image is-resized\">\n<figure class=\"alignright size-large\"><div class=\"wpcp-wp-lightbox-host wpcp-advanced-image-lightbox-icon-hover\"><a class=\"wpcp-wp-lightbox-image-link\" href=\"https:\/\/www.chemieseiten.de\/wp-content\/uploads\/2020\/08\/Sodium-hydroxide-crystal-3D-vdW.png\" data-wpcp-wp-lb-image=\"1\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"770\" src=\"https:\/\/www.chemieseiten.de\/wp-content\/uploads\/2020\/08\/Sodium-hydroxide-crystal-3D-vdW-1024x770.png\" alt=\"\" class=\"wp-image-1339\" style=\"aspect-ratio:1.3298784133944588;width:291px;height:auto\" srcset=\"https:\/\/www.chemieseiten.de\/wp-content\/uploads\/2020\/08\/Sodium-hydroxide-crystal-3D-vdW-1024x770.png 1024w, https:\/\/www.chemieseiten.de\/wp-content\/uploads\/2020\/08\/Sodium-hydroxide-crystal-3D-vdW-300x226.png 300w, https:\/\/www.chemieseiten.de\/wp-content\/uploads\/2020\/08\/Sodium-hydroxide-crystal-3D-vdW-768x577.png 768w, https:\/\/www.chemieseiten.de\/wp-content\/uploads\/2020\/08\/Sodium-hydroxide-crystal-3D-vdW.png 1100w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">Kristall von NaOH<\/figcaption><a href=\"https:\/\/www.chemieseiten.de\/wp-content\/uploads\/2020\/08\/Sodium-hydroxide-crystal-3D-vdW.png\" data-fancybox=\"wpcp-wp-img-1339\" class=\"wpcp-lightbox-trigger wpcp-advanced-image-lightbox-icon wpcp-position-top-right wpcp-advanced-image-lightbox-icon-hover wpcp-global-lightbox-icon wpcp-lightbox-icon--global wpcp-lb-icon-style-default\" data-wpcp-lb-icon-source=\"global\" aria-label=\"Open image in lightbox\" data-thumb-src=\"https:\/\/www.chemieseiten.de\/wp-content\/uploads\/2020\/08\/Sodium-hydroxide-crystal-3D-vdW-300x226.png\" data-wpcp-lb-single=\"1\"><span class=\"wpcp-icon-container\"><svg viewBox=\"0 0 20 20\"><path d=\"M17.6585 16.025L14.2437 12.6198C15.1716 11.3338 15.6121 9.7613 15.4871 8.1819C15.362 6.60251 14.6795 5.11847 13.5607 3.99351C12.936 3.36206 12.1916 2.86066 11.3709 2.51845C10.5502 2.17623 9.66952 2 8.77995 2C7.89039 2 7.00969 2.17623 6.18899 2.51845C5.36829 2.86066 4.62395 3.36206 3.99919 3.99351C3.36594 4.61649 2.86312 5.35871 2.51992 6.17708C2.17673 6.99545 2 7.87365 2 8.76068C2 9.64772 2.17673 10.5259 2.51992 11.3443C2.86312 12.1627 3.36594 12.9049 3.99919 13.5279C5.11957 14.6901 6.62279 15.4103 8.23285 15.5562C9.84291 15.7022 11.4517 15.2641 12.7639 14.3224L16.1788 17.7275C16.3849 17.9034 16.6473 18 16.9186 18C17.1899 18 17.4523 17.9034 17.6585 17.7275C18.1138 17.16 18.1138 16.5925 17.6585 16.025ZM5.59278 12.0523C5.16258 11.6298 4.82094 11.1263 4.58774 10.5709C4.35455 10.0156 4.23446 9.41951 4.23446 8.81744C4.23446 8.21536 4.35455 7.6193 4.58774 7.06394C4.82094 6.50859 5.16258 6.00503 5.59278 5.58257C6.01644 5.15359 6.52144 4.81292 7.07838 4.58039C7.63532 4.34786 8.23308 4.22811 8.83687 4.22811C9.44066 4.22811 10.0384 4.34786 10.5954 4.58039C11.1523 4.81292 11.6573 5.15359 12.081 5.58257C12.5112 6.00503 12.8528 6.50859 13.086 7.06394C13.3192 7.6193 13.4393 8.21536 13.4393 8.81744C13.4393 9.41951 13.3192 10.0156 13.086 10.5709C12.8528 11.1263 12.5112 11.6298 12.081 12.0523C11.6573 12.4813 11.1523 12.822 10.5954 13.0545C10.0384 13.287 9.44066 13.4068 8.83687 13.4068C8.23308 13.4068 7.63532 13.287 7.07838 13.0545C6.52144 12.822 6.01644 12.4813 5.59278 12.0523Z\" \/><\/svg><\/span><\/a><\/div><\/figure>\n<\/div>\n\n\n<p>Die wichtigste Base mit einer j\u00e4hrlichen Produktion von 60.000.000 Tonnen ist Natriumhydroxid, ein Grundstoff der chemischen Industrie. Natronlauge ist die in Wasser gel\u00f6ste Form des Natriumhydroxids, sie wird auch  \u00c4tznatron genannt.<\/p>\n\n\n\n<p>Andere Namen dieser Substanz sind \u00c4tznatron oder kaustisches Soda. <br>Natriumhydroxid ist geruchlos(Vorsicht!) , fest, wei\u00df und stark <abbr class='c2c-text-hover' title='wasseranziehend, wasseraufnehmend'>hygroskopisch<\/abbr> (wasserziehend).  Die L\u00f6slichkeit von NaOH betr\u00e4gt 1090g pro Liter <br>Wasser bei 20\u00b0C.  Achtung! Natriumhydroxid l\u00f6st sich stark <abbr class='c2c-text-hover' title='Prozess, bei dem W\u00e4rme abgegeben wird.'>exotherm<\/abbr> <br>in Wasser. <\/p>\n\n\n\n<p>Die Herstellung von Seife ist ebenso wie die Papierherstellung fest an die zerst\u00f6rende Wirkung von Natronlauge gebunden. Rohrreiniger enthalten ebenfalls einen gro\u00dfen Anteil NaOH. In der Lebensmittelindustrie wird es als Reinigungsmittel f\u00fcr Beh\u00e4lter und Tanks verwendet, da es keimt\u00f6tend ist. Sch\u00e4lmaschinen f\u00fcr Obst und Gem\u00fcse arbeiten mit der gewebsverfl\u00fcssigenden, \u00e4tzenden Substanz. Auch die F\u00e4rbung von Textilien und  das Abbeizen von Holz wird mit Natronlauge durchgef\u00fchrt. Dem Laugengeb\u00e4ck verleiht die Natronlauge seine typische braune F\u00e4rbung und den seifigen Geschmack. Keine Angst! Die Natronlauge wird beim Backprozess durch ihre <abbr class='c2c-text-hover' title='(..chemisch)Prozess, der unter Energie\u2013 und Stoffumwandlung verl\u00e4uft und bei dem sich Teilchen umlagern und sich Bindungsverh\u00e4ltnisse ver\u00e4ndern. Gesamtmasse und ~ energie bleiben erhalten.'>Reaktion<\/abbr> mit dem Kohlendioxid der Luft zerst\u00f6rt und damit ungef\u00e4hrlich.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large wpcp-wp-lightbox-figure\"><div class=\"wpcp-wp-lightbox-host wpcp-advanced-image-lightbox-icon-hover wpcp-wp-lightbox-host--gallery\"><a class=\"wpcp-wp-lightbox-image-link\" data-wpcp-wp-lb-image=\"1\" href=\"https:\/\/www.chemieseiten.de\/wp-content\/uploads\/2020\/08\/industry-2147409_1920.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" data-id=\"1341\" src=\"https:\/\/www.chemieseiten.de\/wp-content\/uploads\/2020\/08\/industry-2147409_1920-768x1024.jpg\" alt=\"\" class=\"wp-image-1341\" srcset=\"https:\/\/www.chemieseiten.de\/wp-content\/uploads\/2020\/08\/industry-2147409_1920-768x1024.jpg 768w, https:\/\/www.chemieseiten.de\/wp-content\/uploads\/2020\/08\/industry-2147409_1920-225x300.jpg 225w, https:\/\/www.chemieseiten.de\/wp-content\/uploads\/2020\/08\/industry-2147409_1920-1152x1536.jpg 1152w, https:\/\/www.chemieseiten.de\/wp-content\/uploads\/2020\/08\/industry-2147409_1920.jpg 1440w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/a><a href=\"https:\/\/www.chemieseiten.de\/wp-content\/uploads\/2020\/08\/industry-2147409_1920.jpg\" data-fancybox=\"wpcp-wp-gallery-3\" class=\"wpcp-lightbox-trigger wpcp-advanced-image-lightbox-icon wpcp-position-top-right wpcp-advanced-image-lightbox-icon-hover wpcp-global-lightbox-icon wpcp-lightbox-icon--global wpcp-lb-icon-style-default\" data-wpcp-lb-icon-source=\"global\" aria-label=\"Open image in lightbox\" data-thumb-src=\"https:\/\/www.chemieseiten.de\/wp-content\/uploads\/2020\/08\/industry-2147409_1920-225x300.jpg\"><span class=\"wpcp-icon-container\"><svg viewBox=\"0 0 20 20\"><path d=\"M17.6585 16.025L14.2437 12.6198C15.1716 11.3338 15.6121 9.7613 15.4871 8.1819C15.362 6.60251 14.6795 5.11847 13.5607 3.99351C12.936 3.36206 12.1916 2.86066 11.3709 2.51845C10.5502 2.17623 9.66952 2 8.77995 2C7.89039 2 7.00969 2.17623 6.18899 2.51845C5.36829 2.86066 4.62395 3.36206 3.99919 3.99351C3.36594 4.61649 2.86312 5.35871 2.51992 6.17708C2.17673 6.99545 2 7.87365 2 8.76068C2 9.64772 2.17673 10.5259 2.51992 11.3443C2.86312 12.1627 3.36594 12.9049 3.99919 13.5279C5.11957 14.6901 6.62279 15.4103 8.23285 15.5562C9.84291 15.7022 11.4517 15.2641 12.7639 14.3224L16.1788 17.7275C16.3849 17.9034 16.6473 18 16.9186 18C17.1899 18 17.4523 17.9034 17.6585 17.7275C18.1138 17.16 18.1138 16.5925 17.6585 16.025ZM5.59278 12.0523C5.16258 11.6298 4.82094 11.1263 4.58774 10.5709C4.35455 10.0156 4.23446 9.41951 4.23446 8.81744C4.23446 8.21536 4.35455 7.6193 4.58774 7.06394C4.82094 6.50859 5.16258 6.00503 5.59278 5.58257C6.01644 5.15359 6.52144 4.81292 7.07838 4.58039C7.63532 4.34786 8.23308 4.22811 8.83687 4.22811C9.44066 4.22811 10.0384 4.34786 10.5954 4.58039C11.1523 4.81292 11.6573 5.15359 12.081 5.58257C12.5112 6.00503 12.8528 6.50859 13.086 7.06394C13.3192 7.6193 13.4393 8.21536 13.4393 8.81744C13.4393 9.41951 13.3192 10.0156 13.086 10.5709C12.8528 11.1263 12.5112 11.6298 12.081 12.0523C11.6573 12.4813 11.1523 12.822 10.5954 13.0545C10.0384 13.287 9.44066 13.4068 8.83687 13.4068C8.23308 13.4068 7.63532 13.287 7.07838 13.0545C6.52144 12.822 6.01644 12.4813 5.59278 12.0523Z\" \/><\/svg><\/span><\/a><\/div><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large wpcp-wp-lightbox-figure\"><div class=\"wpcp-wp-lightbox-host wpcp-advanced-image-lightbox-icon-hover wpcp-wp-lightbox-host--gallery\"><a class=\"wpcp-wp-lightbox-image-link\" data-wpcp-wp-lb-image=\"1\" href=\"https:\/\/www.chemieseiten.de\/wp-content\/uploads\/2020\/08\/tonne-of-milk-62482_1280.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" data-id=\"1342\" src=\"https:\/\/www.chemieseiten.de\/wp-content\/uploads\/2020\/08\/tonne-of-milk-62482_1280-1024x768.jpg\" alt=\"\" class=\"wp-image-1342\" srcset=\"https:\/\/www.chemieseiten.de\/wp-content\/uploads\/2020\/08\/tonne-of-milk-62482_1280-1024x768.jpg 1024w, https:\/\/www.chemieseiten.de\/wp-content\/uploads\/2020\/08\/tonne-of-milk-62482_1280-300x225.jpg 300w, https:\/\/www.chemieseiten.de\/wp-content\/uploads\/2020\/08\/tonne-of-milk-62482_1280-768x576.jpg 768w, https:\/\/www.chemieseiten.de\/wp-content\/uploads\/2020\/08\/tonne-of-milk-62482_1280.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><a href=\"https:\/\/www.chemieseiten.de\/wp-content\/uploads\/2020\/08\/tonne-of-milk-62482_1280.jpg\" data-fancybox=\"wpcp-wp-gallery-3\" class=\"wpcp-lightbox-trigger wpcp-advanced-image-lightbox-icon wpcp-position-top-right wpcp-advanced-image-lightbox-icon-hover wpcp-global-lightbox-icon wpcp-lightbox-icon--global wpcp-lb-icon-style-default\" 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15.6121 9.7613 15.4871 8.1819C15.362 6.60251 14.6795 5.11847 13.5607 3.99351C12.936 3.36206 12.1916 2.86066 11.3709 2.51845C10.5502 2.17623 9.66952 2 8.77995 2C7.89039 2 7.00969 2.17623 6.18899 2.51845C5.36829 2.86066 4.62395 3.36206 3.99919 3.99351C3.36594 4.61649 2.86312 5.35871 2.51992 6.17708C2.17673 6.99545 2 7.87365 2 8.76068C2 9.64772 2.17673 10.5259 2.51992 11.3443C2.86312 12.1627 3.36594 12.9049 3.99919 13.5279C5.11957 14.6901 6.62279 15.4103 8.23285 15.5562C9.84291 15.7022 11.4517 15.2641 12.7639 14.3224L16.1788 17.7275C16.3849 17.9034 16.6473 18 16.9186 18C17.1899 18 17.4523 17.9034 17.6585 17.7275C18.1138 17.16 18.1138 16.5925 17.6585 16.025ZM5.59278 12.0523C5.16258 11.6298 4.82094 11.1263 4.58774 10.5709C4.35455 10.0156 4.23446 9.41951 4.23446 8.81744C4.23446 8.21536 4.35455 7.6193 4.58774 7.06394C4.82094 6.50859 5.16258 6.00503 5.59278 5.58257C6.01644 5.15359 6.52144 4.81292 7.07838 4.58039C7.63532 4.34786 8.23308 4.22811 8.83687 4.22811C9.44066 4.22811 10.0384 4.34786 10.5954 4.58039C11.1523 4.81292 11.6573 5.15359 12.081 5.58257C12.5112 6.00503 12.8528 6.50859 13.086 7.06394C13.3192 7.6193 13.4393 8.21536 13.4393 8.81744C13.4393 9.41951 13.3192 10.0156 13.086 10.5709C12.8528 11.1263 12.5112 11.6298 12.081 12.0523C11.6573 12.4813 11.1523 12.822 10.5954 13.0545C10.0384 13.287 9.44066 13.4068 8.83687 13.4068C8.23308 13.4068 7.63532 13.287 7.07838 13.0545C6.52144 12.822 6.01644 12.4813 5.59278 12.0523Z\" \/><\/svg><\/span><\/a><\/div><\/figure>\n<\/figure>\n\n\n\n<h4 class=\"wp-block-heading has-white-color has-primary-background-color has-text-color has-background\">Natronlauge ist \u00e4tzend! (Sie zerst\u00f6rt Haut, Haare und menschliches Gewebe.)<\/h4>\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 loading=\"lazy\" title=\"Erblinden durch Natriumhydroxid? | Wirkung auf Gewebe\" width=\"860\" height=\"484\" src=\"https:\/\/www.youtube.com\/embed\/a9rhgi5VrUs?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>Warum man Natronlauge nicht mit Aluminium zusammenbringen sollte:<\/p>\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 loading=\"lazy\" title=\"Wirkung von Natriumhydroxid auf Aluminium\" width=\"860\" height=\"484\" src=\"https:\/\/www.youtube.com\/embed\/PczVSqHkZK0?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 class=\"has-background\" style=\"background-color:#d3f0ff\">Weitere Medien:<\/p>\n\n\n\n<p class=\"has-background\" style=\"background-color:#d3f0ff\">1 <a href=\"https:\/\/youtu.be\/J0-LFHwcgZs\" target=\"_blank\" rel=\"noreferrer noopener\">Video Basen von &#8222;Musste wissen&#8220;<\/a><br><br>2 <a href=\"https:\/\/youtu.be\/M4oCx-JRFgE\" target=\"_blank\" rel=\"noreferrer noopener\">Video &#8222;Brezeln backen&#8220;<\/a><br><br>3 <a href=\"https:\/\/youtu.be\/tl-kD5nwe_Y\" target=\"_blank\" rel=\"noreferrer noopener\">Video Abbeizen<\/a><br><br>4 <a href=\"https:\/\/youtu.be\/dpTuHXiciJQ\" target=\"_blank\" rel=\"noreferrer noopener\">Video &#8222;Jeans f\u00e4rben&#8220;<\/a><br><br>5 <strong><a href=\"https:\/\/youtu.be\/29pTXi8IKV0\" target=\"_blank\" rel=\"noreferrer noopener\">Video Seifenherstellung<\/a><\/strong> 1 (Die Base nicht mit Aluminium oder Holz einr\u00fchren)<br><br>6 <a href=\"https:\/\/youtu.be\/HL3hPXzmxiQ\" target=\"_blank\" rel=\"noreferrer noopener\">Video Seifenherstellung 2 <\/a><br><br>7 <a href=\"https:\/\/youtu.be\/bOyIjuFK9FU\" target=\"_blank\" rel=\"noreferrer noopener\">Mandarinen sch\u00e4len mit Lauge<\/a><br><br>8 <a href=\"https:\/\/youtu.be\/OlNkhE09Yms\" target=\"_blank\" rel=\"noreferrer noopener\">Mandarinen sch\u00e4len (Hier alternativ mit Salzs\u00e4ure)<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hydroxide &#8211; wie Natriumhydroxid &#8211; ind meist wasserl\u00f6sliche Feststoffe, die Basen genannt werden. L\u00f6st man die Hydroxide in Wasser, so entstehen Laugen dieser Feststoffe. Merke: Diese Stoffe sind meist \u00e4tzend und f\u00e4rben den Indikator UNITEST blau bis violett. Man sagt, diese Stoffe reagieren &#8222;alkalisch&#8220;\/basisch. F\u00fcr Basen gilt die <abbr class='c2c-text-hover' title='&quot;Erst das Wasser dann die S\u00e4ure sonst geschieht das Ungeheure!&quot;'>Verd\u00fcnnungsregel<\/abbr>, da das L\u00f6sen meist stark <abbr class='c2c-text-hover' title='Prozess, bei dem W\u00e4rme abgegeben wird.'>exotherm<\/abbr> verl\u00e4uft! &#8222;Erst das Wasser, dann<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[73,141,95],"tags":[10,11,295,336,422],"class_list":["post-1338","post","type-post","status-publish","format-standard","hentry","category-klasse-9","category-saeuren-und-basen","category-basen","tag-base","tag-lauge","tag-basisch","tag-natronlauge","tag-aetznatron"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Natriumhydoxid - Natronlauge - chemieseiten.de<\/title>\n<meta name=\"description\" content=\"Natriumhydroxid - \u00c4tznatron. 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