<\/p>\n\n\n\n
Kvarzt\u00fabur<\/a> Leika lykilhlutverk \u00ed virkni r\u00f6rkela, sem oft eru notu\u00f0 \u00ed \u00fdmsum ranns\u00f3knarstofuumhverfum. H\u00e9r eru nokkrar lei\u00f0beiningar um notkun \u00feeirra og vi\u00f0hald:<\/p>\n\n\n\n Almennt er r\u00e1\u00f0lagt a\u00f0 nota ekki vetnisgas \u00ed r\u00f6rofna vegna sprengih\u00e6ttu, nema \u00ed styrk utan sprengimarka. Ef notkun vetnisgass er nau\u00f0synleg \u00fearf a\u00f0 gera vi\u00f0eigandi \u00f6ryggisr\u00e1\u00f0stafanir. Gakktu \u00far skugga um a\u00f0 enginn standi \u00ed hvorum enda r\u00f6rsins me\u00f0an \u00e1 gasfl\u00e6\u00f0i stendur. Ry\u00f0fr\u00edtt st\u00e1lr\u00f6r, sem hafa meiri hitalei\u00f0ni en kvars, \u00e6tti a\u00f0 nota fyrir vetnisgas til a\u00f0 krefjast vatnsk\u00e6lingar \u00ed b\u00e1\u00f0um endum til a\u00f0 koma \u00ed veg fyrir ofhitnun og bilun O-hringsins.<\/p>\n\n\n\n Kvarzt\u00fabur<\/a>\u2018M\u00fdktunarpunkturinn er um 1270 \u00b0C. Til a\u00f0 for\u00f0ast afl\u00f6gun e\u00f0a skemmdir er r\u00e1\u00f0lagt a\u00f0 hitastigi\u00f0 fari ekki yfir 1200 \u00b0C \u00ed meira en 3 klukkustundir.<\/p>\n\n\n\n Vi\u00f0 upphitun skaltu alltaf setja keramikofnatappa inni \u00ed r\u00f6rinu til a\u00f0 tryggja jafna hitadreifingu. \u00c1n \u00feessara innstungna g\u00e6ti hitastigi\u00f0 \u00ed endum r\u00f6ranna or\u00f0i\u00f0 of h\u00e1tt, komi\u00f0 \u00ed veg fyrir O-hringina \u00ed flansunum og haft \u00e1hrif \u00e1 gas\u00fe\u00e9ttleikann. Sta\u00f0setning ofnatappa au\u00f0veldar einnig samr\u00e6mt hitasvi\u00f0 innan ofnsins.<\/p>\n\n\n\n \u00dea\u00f0 er mikilv\u00e6gt a\u00f0 halda innra bor\u00f0i ofnsr\u00f6rsins hreinu. Vi\u00f0 vinnslu efna, til a\u00f0 lengja l\u00edft\u00edma \u00feess kvartsr\u00f6r<\/a>, for\u00f0astu a\u00f0 setja \u00feau beint \u00e1 r\u00f6rinn. \u00cd sta\u00f0inn skaltu nota b\u00e1tkr\u00fasar til a\u00f0 halda efnunum.<\/p>\n\n\n\n Nau\u00f0synlegt er a\u00f0 setja s\u00far\u00e1lsofnatappa \u00ed r\u00f6ri\u00f0 me\u00f0an \u00e1 upphitun stendur, tveir \u00e1 hvorri hli\u00f0, alls fj\u00f3rir. Fjarl\u00e6g\u00f0in milli tveggja innstu tappa \u00e6tti a\u00f0 vera um \u00fea\u00f0 bil 450 mm. \u00deessi uppsetning kemur \u00ed veg fyrir of h\u00e1tt hitastig vi\u00f0 enda r\u00f6rsins, verndar O-hringana \u00ed flansunum gegn skemmdum og tryggir gas\u00fe\u00e9ttleika. Sta\u00f0setning \u00feessara tappa stu\u00f0lar a\u00f0 \u00fev\u00ed a\u00f0 n\u00e1 j\u00f6fnu hitasvi\u00f0i innan ofnsins.<\/p>\n\n\n\n Kvarzt\u00fabur<\/a>\u2018Hita\u00feol er \u00ed beinu sambandi vi\u00f0 hreinleika \u00feeirra. H\u00e6rri hreinleikastig lei\u00f0a til aukins hita\u00feols og gera efni\u00f0 hentugra fyrir h\u00e1hitaforrit.<\/p>\n\n\n\n A\u00f0 fylgja \u00feessum lei\u00f0beiningum getur verulega auki\u00f0 afk\u00f6st og endingu kvarsr\u00f6ra \u00ed m\u00faffuofnum \u00e1 ranns\u00f3knarstofu og tryggt \u00f6ryggi og skilvirkni \u00ed tilraunum og ferlum vi\u00f0 h\u00e1hita.<\/p>\n\n\n\n Fyrir frekari uppl\u00fdsingar um v\u00f6rur okkar og hvernig vi\u00f0 getum stutt ranns\u00f3knarstofu- e\u00f0a i\u00f0na\u00f0ar\u00fearfir \u00fe\u00ednar, vinsamlegast heims\u00f3ttu okkar vefs\u00ed\u00f0u<\/a> e\u00f0a Haf\u00f0u samband vi\u00f0 okkur<\/a> beint kl contact@globalquartztube.com<\/a>.<\/p>","protected":false},"excerpt":{"rendered":" Quartz tubes play a crucial role in the functioning of tube furnaces, often employed in various laboratory settings. Here are some guidelines for their application and maintenance: 1. Hydrogen Gas Precautions It is generally advised not to use hydrogen gas in tube furnaces due to explosion risks, except at concentrations outside the explosive limits. If […]<\/p>\n","protected":false},"author":3,"featured_media":2204,"comment_status":"closed","ping_status":"open","sticky":false,"template":"elementor_theme","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"Utilization and Maintenance of Quartz Tubes in Laboratory Muffle Furnaces","_seopress_titles_desc":"Guidance on the proper utilization and maintenance of quartz tubes within laboratory muffle furnaces, covering safety with hydrogen and temperature limits.","_seopress_robots_index":"","_seopress_analysis_target_kw":"Maintenance of Quartz Tubes,Quartz Tube Maintenance,Laboratory Muffle Furnaces,Laboratory Furnace 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Casper","author_link":"https:\/\/globalquartztube.com\/is\/author\/casper-peng\/"},"uagb_comment_info":0,"uagb_excerpt":"Quartz tubes play a crucial role in the functioning of tube furnaces, often employed in various laboratory settings. Here are some guidelines for their application and maintenance: 1. Hydrogen Gas Precautions It is generally advised not to use hydrogen gas in tube furnaces due to explosion risks, except at concentrations outside the explosive limits. If…","authors":[{"term_id":13,"user_id":3,"is_guest":0,"slug":"casper-peng","display_name":"Peng, Casper","avatar_url":{"url":"https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/06\/Casper-Peng.webp","url2x":"https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/06\/Casper-Peng.webp"},"0":null,"1":"","2":"","3":"","4":"","5":"","6":"","7":""}],"_links":{"self":[{"href":"https:\/\/globalquartztube.com\/is\/wp-json\/wp\/v2\/posts\/2141","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/globalquartztube.com\/is\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/globalquartztube.com\/is\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/is\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/is\/wp-json\/wp\/v2\/comments?post=2141"}],"version-history":[{"count":4,"href":"https:\/\/globalquartztube.com\/is\/wp-json\/wp\/v2\/posts\/2141\/revisions"}],"predecessor-version":[{"id":4177,"href":"https:\/\/globalquartztube.com\/is\/wp-json\/wp\/v2\/posts\/2141\/revisions\/4177"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/is\/wp-json\/wp\/v2\/media\/2204"}],"wp:attachment":[{"href":"https:\/\/globalquartztube.com\/is\/wp-json\/wp\/v2\/media?parent=2141"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/globalquartztube.com\/is\/wp-json\/wp\/v2\/categories?post=2141"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/globalquartztube.com\/is\/wp-json\/wp\/v2\/tags?post=2141"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/globalquartztube.com\/is\/wp-json\/wp\/v2\/ppma_author?post=2141"}],"curies":[{"name":"vp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}1. Var\u00fa\u00f0arr\u00e1\u00f0stafanir \u00e1 vetnisgasi<\/strong><\/h2><\/div>\n\n\n\n
2. Me\u00f0vitund um m\u00fdkingarpunkt<\/strong><\/h2><\/div>\n\n\n\n
3. Hitadreifing<\/strong><\/h2><\/div>\n\n\n\n
4. Hreinl\u00e6ti og efnisme\u00f0fer\u00f0<\/strong><\/h2><\/div>\n\n\n\n
5. Notkun s\u00far\u00e1ls ofnatappa<\/strong><\/h2><\/div>\n\n\n\n
6. Hita\u00feol og hreinleiki<\/strong><\/h2><\/div>\n\n\n\n