{"id":11984,"date":"2022-05-02T17:38:19","date_gmt":"2022-05-02T15:38:19","guid":{"rendered":"https:\/\/dossenberger.de\/?p=11984"},"modified":"2022-06-21T15:23:17","modified_gmt":"2022-06-21T13:23:17","slug":"saharastaub-wir-haben-ihn-untersucht","status":"publish","type":"post","link":"https:\/\/dossenberger.de\/?p=11984","title":{"rendered":"Saharastaub \u2013 wir haben ihn untersucht!"},"content":{"rendered":"\n<p>F\u00fcr die einen ein eindrucksvolles Naturerlebnis, f\u00fcr die anderen ein \u00c4rgernis, das sich deutlich sichtbar auf Autos und Fenstern niederschlug: der 15.03.22 brachte gro\u00dfe Mengen Saharastaub in unsere Gegend. F\u00fcr uns, den BC-Praktikumskursen am Dossi, wurde er zu einer spannenden Herausforderung!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-11985\" src=\"https:\/\/dossenberger.de\/wp-content\/uploads\/2022\/05\/IMG_6064.jpg\" alt=\"\" width=\"640\" height=\"480\" srcset=\"https:\/\/dossenberger.de\/wp-content\/uploads\/2022\/05\/IMG_6064.jpg 640w, https:\/\/dossenberger.de\/wp-content\/uploads\/2022\/05\/IMG_6064-300x225.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<p>Geographieb\u00fccher beschreiben, dass Winde j\u00e4hrlich bis zu 40 Millionen Tonnen dieses Staubes nach Amazonien transportieren und dass diese Fracht eine wichtige N\u00e4hrstoffquelle f\u00fcr den Regenwald darstellt. Der Saharastaub soll vor allem bez\u00fcglich der Elemente Phosphor und Eisen d\u00fcngend wirken. <br>Durch unsere Versuche in der Schule konnten wir zeigen, dass der Staub tats\u00e4chlich diese Elemente enth\u00e4lt \u2013 im Unterschied zum L\u00f6schsand, den wir parallel untersucht haben. Zugleich konnten wir sehen, dass Blumend\u00fcnger und Knochen ebenfalls phosphorhaltig sind (Nachweis als Molybd\u00e4nblau).<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter  wp-image-11986\" src=\"https:\/\/dossenberger.de\/wp-content\/uploads\/2022\/05\/IMG_6068.jpg\" alt=\"\" width=\"272\" height=\"251\" srcset=\"https:\/\/dossenberger.de\/wp-content\/uploads\/2022\/05\/IMG_6068.jpg 521w, https:\/\/dossenberger.de\/wp-content\/uploads\/2022\/05\/IMG_6068-300x276.jpg 300w\" sizes=\"auto, (max-width: 272px) 100vw, 272px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-11987\" src=\"https:\/\/dossenberger.de\/wp-content\/uploads\/2022\/05\/IMG_6065.jpg\" alt=\"\" width=\"640\" height=\"471\" srcset=\"https:\/\/dossenberger.de\/wp-content\/uploads\/2022\/05\/IMG_6065.jpg 640w, https:\/\/dossenberger.de\/wp-content\/uploads\/2022\/05\/IMG_6065-300x221.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<p>Erkennen Sie\/erkennt Ihr die Pufferfl\u00e4schchen der ersten Generation der Covid-Tests wieder? Sie leisten &#8211; dank dem P-Seminar \u201eWegwerfen? \u2013 Recyceln! Upcyceln! Wiederverwenden!\u201c &#8211; beste Dienste im BC-Praktikum!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-11988\" src=\"https:\/\/dossenberger.de\/wp-content\/uploads\/2022\/05\/IMG_6128.jpg\" alt=\"\" width=\"640\" height=\"292\" srcset=\"https:\/\/dossenberger.de\/wp-content\/uploads\/2022\/05\/IMG_6128.jpg 640w, https:\/\/dossenberger.de\/wp-content\/uploads\/2022\/05\/IMG_6128-300x137.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<p style=\"text-align: center;\">Fotos: H. J\u00e4ckle, D. Ehrhardt<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-11989\" src=\"https:\/\/dossenberger.de\/wp-content\/uploads\/2022\/05\/IMG_6066.jpg\" alt=\"\" width=\"547\" height=\"480\" srcset=\"https:\/\/dossenberger.de\/wp-content\/uploads\/2022\/05\/IMG_6066.jpg 547w, https:\/\/dossenberger.de\/wp-content\/uploads\/2022\/05\/IMG_6066-300x263.jpg 300w\" sizes=\"auto, (max-width: 547px) 100vw, 547px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>F\u00fcr die einen ein eindrucksvolles Naturerlebnis, f\u00fcr die anderen ein \u00c4rgernis, das sich deutlich sichtbar auf Autos und Fenstern niederschlug:<\/p>\n","protected":false},"author":2,"featured_media":11990,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","ngg_post_thumbnail":0,"_price":"","_stock":"","_tribe_ticket_header":"","_tribe_default_ticket_provider":"","_tribe_ticket_capacity":"0","_ticket_start_date":"","_ticket_end_date":"","_tribe_ticket_show_description":"","_tribe_ticket_show_not_going":false,"_tribe_ticket_use_global_stock":"","_tribe_ticket_global_stock_level":"","_global_stock_mode":"","_global_stock_cap":"","_tribe_rsvp_for_event":"","_tribe_ticket_going_count":"","_tribe_ticket_not_going_count":"","_tribe_tickets_list":"[]","_tribe_ticket_has_attendee_info_fields":false,"footnotes":""},"categories":[5,3],"tags":[],"class_list":["post-11984","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-biologiechemie","category-fachunterricht"],"_links":{"self":[{"href":"https:\/\/dossenberger.de\/index.php?rest_route=\/wp\/v2\/posts\/11984","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dossenberger.de\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dossenberger.de\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dossenberger.de\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/dossenberger.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=11984"}],"version-history":[{"count":2,"href":"https:\/\/dossenberger.de\/index.php?rest_route=\/wp\/v2\/posts\/11984\/revisions"}],"predecessor-version":[{"id":11992,"href":"https:\/\/dossenberger.de\/index.php?rest_route=\/wp\/v2\/posts\/11984\/revisions\/11992"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dossenberger.de\/index.php?rest_route=\/wp\/v2\/media\/11990"}],"wp:attachment":[{"href":"https:\/\/dossenberger.de\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=11984"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dossenberger.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11984"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dossenberger.de\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11984"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}