{"id":4107,"date":"2014-07-29T10:00:39","date_gmt":"2014-07-29T15:00:39","guid":{"rendered":"https:\/\/www.coleparmer.com\/blog\/?p=4107"},"modified":"2022-04-29T08:55:21","modified_gmt":"2022-04-29T14:55:21","slug":"5-important-factors-for-choosing-stirrers-and-hot-plates","status":"publish","type":"post","link":"https:\/\/www.coleparmer.com\/blog\/5-important-factors-for-choosing-stirrers-and-hot-plates\/","title":{"rendered":"5 Important Factors for Choosing Stirrers and Hot Plates"},"content":{"rendered":"<p>Although you could select an effective <a title=\"Hot Plates from Cole-Parmer\" href=\"\/c\/magnetic-stirrers-and-hot-plates\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">hot plate<\/a> (or stirrer or stirring hot plate) based on one or two selection criteria, get the best match for your application by keeping these five variables in mind:<\/p>\n<ul>\n<li><strong>Accuracy and Stability: <\/strong>When the control of temperature and stirring speed is crucial, choose digital heating and stirring equipment with electronic feedback controls for the greatest accuracy and stability. A closed-loop PID microprocessor control monitors top plate temperatures and\/or stirring speeds and automatically compensates for changes in the system relative to a selected set point.<\/li>\n<li><strong>Range and Uniformity<\/strong>: The top plate composition (ceramic, porcelain, or aluminum) and the type of temperature control both contribute to range and uniformity<\/li>\n<li><strong>Volume<\/strong>: Hot plates, stirrers, and stirring hot plates come in various sizes and configurations\u2014from small, single-vessel units to large-capacity, multi-unit units.<\/li>\n<li><strong>Viscosity<\/strong>: The ability of a drive-magnet and stir-bar combination to effectively stir a solution depends on drive-magnet shape and size, stir-bar shape and size, distance between the stir bar and drive magnet, vessel shape and size, desired stir speed, and your solution\u2019s viscosity. Stirring more viscous solutions requires a unit with greater magnetic coupling strength.<\/li>\n<li><strong>Hazardous Environment<\/strong>: Organic solvents and chemical mixtures can create a hazard in your lab\u2014standard heating and stirring equipment can ignite fumes at medium to high temperatures. Reduce your risk by using only explosion-proof equipment.<\/li>\n<\/ul>\n<p><strong>\u00a0<\/strong><em>See our selection of <\/em><a title=\"Buy Hot Plates\" href=\"\/c\/magnetic-stirrers-and-hot-plates\" rel=\"nofollow noopener noreferrer\" target=\"_blank\"><em>hot plates<\/em><\/a><em>, <\/em><a title=\"Buy Lab Stirrers\" href=\"\/c\/magnetic-stirrers-and-hot-plates\" rel=\"nofollow noopener noreferrer\" target=\"_blank\"><em>stirrers<\/em><\/a><em>, and <\/em><a title=\"Buy Stirring Hot Plates\" href=\"\/c\/magnetic-stirrers-and-hot-plates\" rel=\"nofollow noopener noreferrer\" target=\"_blank\"><em>stirring hot plates<\/em><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Although you could select an effective hot plate (or stirrer or stirring hot plate) based on one or two selection criteria, get the best match for your application by keeping these five variables in mind:&#8230;<\/p>\n","protected":false},"author":20,"featured_media":4109,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[784,1540],"class_list":["post-4107","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-for-the-lab","tag-hot-plates","tag-stirrers"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>5 Important Factors for Choosing Stirrers and Hot Plates | from Cole-Parmer Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.coleparmer.de\/blog\/5-important-factors-for-choosing-stirrers-and-hot-plates\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" 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