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• Conical rubber seal
  ...on]] to act as sealant when creating vacuum in the [[Büchner flask|filter flask]].
  1 KB (177 words) - 20:44, 22 August 2020
• Thistle tube
  ...are poured in the bulb section and then are allowed to freely flow in the flask.
  2 KB (296 words) - 15:42, 24 September 2019
• Kjeldahl flask
  The '''Kjeldahl flask''' is a [[round-bottom flask]] with a long wide neck that is used in the determination of nitrogen by Kj ...similar in appearance to a [[volumetric flask]] or a long neck [[Florence flask]]. Kjeldahl flasks are made of borosilicate glass.
  1 KB (156 words) - 13:37, 3 March 2018
• Stopcock
  ...l]]s, [[gas collecting tube]], [[gas syringe]], [[Imhoff cone]], [[Schlenk flask]]s/[[Schlenk line|lines]], [[separatory funnel]]s, various [[adapter]]s.
  2 KB (291 words) - 21:34, 7 April 2019
• Fleaker
  ...e described as a cross between the Griffin [[beaker]] and the [[Erlenmeyer flask]].
  1 KB (184 words) - 17:00, 5 March 2019
• Volumetric pipette
  ...type of pipette calibrated for a single volume (similar to a [[volumetric flask]]). *[[Volumetric flask]]
  910 B (127 words) - 17:28, 5 December 2019
• Vacuum flask
  ...engthens the time over which its contents remain hotter or cooler than the flask's surroundings. The vacuum flask consists of two flasks, placed one within the other and joined at the neck.
  2 KB (290 words) - 21:08, 4 March 2018
• Adapter
  ...one bent at 105°, which is used to connect the condenser to the receiving flask. Some have a vacuum hose adapter. Used in combination with a Kjeldahl flask during the Kjeldahl test.
  7 KB (1,092 words) - 15:56, 25 June 2019
• Cannula transfer
  ...m or negative pressure: Relies on creating a low pressure in the receiving flask. *Pressure or positive pressure: High pressure is created in the transferring flask. This method is more commonly used, as it's safer;
  3 KB (453 words) - 20:15, 2 October 2022
• Abderhalden's drying pistol
  *A jacketed tube flask, with a main female ground glass joint and two smaller ones on opposite sid *A bent pear-shaped Schlenk flask with a gas stopcock tube which goes in the same direction as the ground gla
  1 KB (214 words) - 20:23, 18 April 2019
• Short-path distillation apparatus
  ...dapter and a long thin tube, where the distillate flows into the receiving flask or in a cow adapter, which transfers it to other flasks. ...ness.org/talk/viewthread.php?tid=70591 Short-path distillation head, three-flask cow, drying tube, and 10 flasks, all 14/20, $80 + $12 S&H on eBay]
  2 KB (332 words) - 15:16, 31 January 2019
• Ground glass joint
  Often encountered in [[rotary evaporator]]s, in the distillate collecting flask. Doesn't require greasing.
  2 KB (343 words) - 18:35, 11 March 2018
• Reaction vessel
  ...er types have a stopcock on the bottom of the flask, to drain the reaction flask. [[Schlenk flask]]s are sometimes called reaction vessels, though their use is different fro
  2 KB (280 words) - 20:08, 19 January 2020
• Bumping
  ...violent the liquid from splashing all over the flask or even rupturing the flask.
  2 KB (344 words) - 17:42, 21 September 2018
• Lab tips & tricks
  ...onnect a 3-way distillation connecting adapter with same size joint to the flask, then attach a small female stopper to the side arm and a Liebig condenser *Pre-weight your bottle or flask, that way you can calculate the weight of your reagent without having to tr
  13 KB (2,315 words) - 17:30, 26 September 2022
• Würtz flask
  A '''Würtz flask''' or '''Wurtz flask''' is a type of flask used in distillations. The flask consists of a [[round-bottom flask]] with a ground glass joint and long neck, from where a lateral tube emerge
  573 B (80 words) - 20:38, 6 June 2018
• Surgical instrument
  Good when searching in hard to reach places, dark areas, or in stuck reaction flask if possible.
  5 KB (721 words) - 17:35, 22 June 2019
• Lead ring
  ...ask weight''', '''lead ring flask weight''', '''weight rings''' or just '''flask weight''' is a type of weight used to hold steady flasks in a water bath.
  1 KB (173 words) - 15:07, 26 November 2022
• Caffeine
  ...over the DCM via distillation. After all the DCM has been removed from the flask, it is transferred in another beaker, where hot water is added until it com
  7 KB (810 words) - 19:20, 30 December 2023
• Iron ring
  ...aces, such as [[funnel]]s, [[Imhoff cone]]s, sometimes even [[round-bottom flask]]s.
  2 KB (274 words) - 20:58, 5 September 2018