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==Variants== Other burners based on the same principle exist. The most important alternatives to the Bunsen burner are: * [[Teclu burner]] β The lower part of its tube is conical, with a round screw nut below its base. The gap, set by the distance between the nut and the end of the tube, regulates the influx of the air in a way similar to the open slots of the Bunsen burner. The Teclu burner provides better mixing of air and fuel and can achieve higher flame temperatures than the Bunsen burner.<ref>{{cite journal|title = Ein neuer Laboratoriums-Brenner|first = Nicolae|last = Teclu|author-link = Nicolae Teclu|journal = [[J. Prakt. Chem.]]|year = 1892|volume = 45|issue = 1|pages = 281β286|doi = 10.1002/prac.18920450127|url = https://zenodo.org/record/1427964}}</ref><ref>{{cite book|author1=Partha, Mandal Pratim |author2=Mandal, B. |name-list-style=amp | title = A Text Book of Homoeopathic Pharmacy| url = https://books.google.com/books?id=u-y_sS546R8C&pg=PA46| date = 2002-01-01| publisher = New Central Book Agency| location = Kolkata, India| isbn = 978-81-7381-009-1| page = 46 }}</ref> * [[Meker-Fisher burner|Meker burner]] β The lower part of its tube has more openings with larger total cross-section, admitting more air and facilitating better mixing of air and gas. The tube is wider and its top is covered with a wire grid. The grid separates the flame into an array of smaller flames with a common external envelope, and also prevents [[Oxy-fuel welding and cutting#Flashback|flashback]] to the bottom of the tube, which is a risk at high air-to-fuel ratios and limits the maximum rate of air intake in a conventional Bunsen burner. Flame temperatures of up to {{convert|1100|-|1200|Β°C|Β°F|-2}} are achievable if properly used. The flame also burns without noise, unlike the Bunsen or Teclu burners.<ref>{{cite book|url=https://books.google.com/books?id=zco6AAAAIAAJ|page=38|title=Domestic Science, Volume 2|first= Charles W. |last=Hale| publisher=Cambridge University Press|location= London|year= 1915}}</ref> * [[Tirrill burner]] β The base of the burner has a needle valve which allows the regulation of gas intake directly from the burner, rather than from the gas source. Maximum temperature of flame can reach 1560 Β°C.<ref>{{cite web | title=The lab burner- Anatomy of a Tirrill burner|first=Jeff|last=Cruzan|year=2012| website=xaktly.com | url=https://xaktly.com/LabBurner.html}}</ref>
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