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• Claisen flask
  ...k''' or '''Claisen distillation flask''' is a special type of distillation flask used in several procedures, like vacuum distillation. It was invented by Ra ...of the Claisen flask is a U-shaped neck fused on the top of the flask. The flask itself is often round-bottom or pear-shaped. The U-shape (or bifurcation) i
  1 KB (218 words) - 16:23, 19 March 2019

Page text matches

• Glassware
  100mL volumetric flask.jpg|A 100 mL volumetric flask ===[[Erlenmeyer flask]]s===
  13 KB (1,961 words) - 21:49, 1 May 2019
• Methyl formate
  ...ow boiling point, methyl formate may bump if the heating element heats the flask too much, unless you have very good temperature control. The resulting dist
  7 KB (849 words) - 09:11, 23 June 2024
• Nitromethane
  ...next, leaving the castor oil and other high boiling point fractions in the flask (vacuum distillation can be benefitial at this point as it prevents thermal
  10 KB (1,375 words) - 20:01, 16 May 2023
• Polytetrafluoroethylene
  ...l stirrer adapter, [[reaction vessel]], [[reagent bottle]], [[round-bottom flask]], sampler/ladle, scoop, [[stirring rod]], [[stopcock]], [[stopper]], [[tes
  7 KB (880 words) - 19:29, 16 October 2022
• Phosphoric acid
  ...sing phosphoric acid without damaging glassware that can exit the reaction flask in gaseous form below this temperature.
  9 KB (1,223 words) - 00:12, 29 March 2020
• Proper disposal of chemicals
  ...s and salts. However, as the carbonate is formed, it will creep out of the flask, covering it. For quicker results, alkali bases can be neutralized with any
  347 KB (46,057 words) - 20:09, 13 March 2024
• Oxalic acid
  ...ion subsides, add the hot solution into an evaporating basin. Wash out the flask with 10 ml of conc. nitric acid and evaporate the solution on the water bat
  8 KB (1,006 words) - 15:03, 18 November 2023
• Petroleum ether
  ...ether_in_Erlenmeyer_flask.jpg|thumb|300px|Petroleum ether in an Erlenmeyer flask.]]
  3 KB (391 words) - 21:07, 2 February 2020
• Preparing solutions
  ...available equipment. It is best to prepare molar solutions in [[volumetric flask]]s, although graduated cylinders will also work if volumetric flasks are no * Add the solute to the proper size of volumetric flask or graduated cylinder ''before'' adding the solvent using a powder funnel t
  6 KB (1,081 words) - 21:36, 25 April 2019
• Synthesis of salicylic acid
  ...er on top of a hot plate or other heating source, and place a round-bottom flask full of ice water on top of the beaker. Reflux for 30 minutes at 100 °C. 4- Add some sulfuric acid to the reaction flask. A white solid should form. Add sulfuric acid until no more solid forms.
  7 KB (1,088 words) - 20:32, 28 July 2015
• Tin(IV) chloride
  ...unks of tin, although higher surface area tin powder would react faster. A flask containing sodium hydroxide is used to absorb excess chlorine gas that does
  7 KB (954 words) - 18:13, 7 June 2023
• Sulfuric acid
  ...r-cooled condenser. Put thermal insulation ([[asbestos]], rockwool) on the flask and start heating it. Discard the first few grams of the distillate, until ...ed with water to regenerate nitric acid, and then re-added in the reaction flask, to further oxidize the sulfur dioxide. Any nitric oxide produced from the
  27 KB (4,285 words) - 21:31, 9 September 2023
• Trimethyl borate
  [[File:Trimethyl borate igniting in a volumetric flask|thumb|right|335 px]]
  6 KB (707 words) - 19:50, 9 September 2021
• Improvisation
  ===[[Vacuum flask|Dewar]]=== ...sperse a gas in a liquid, best if said liquid is in a beaker or Erlenmeyer flask. A PTFE tube can be used to connect to the glass bubbler, as it is chemical
  21 KB (3,515 words) - 21:18, 20 March 2023
• Sodium
  ...odium metal either directly from the flask or just dump the content of the flask in a dish and remove the sodium from the slag this way. The sodium pieces a
  16 KB (2,327 words) - 18:19, 29 August 2021
• Reflux setups
  ...heating source beneath the beaker and a cold surface, often a round-bottom flask of ice and water on top. Despite being such a simple setup, this reflux sys ...ed, a wide (~0.75 to 1.25 cm) glass tube can be attached to the top of the flask. In this set-up, it is assumed that the length of the condenser or tubing w
  2 KB (397 words) - 18:48, 22 July 2023
• Chlorobutanol
  ...high heat and allowing it to deposit in crystal form on the underside of a flask of ice-water.
  5 KB (655 words) - 07:29, 14 February 2021
• Condenser
  ...lask of cold water on top of a beaker, a more efficient method is to use a flask with a condenser attached directly to the top. ...osited on the surface of the cold finger where it sticks. In many cases, a flask of cold water placed on a beaker would work as an easy improvised solution,
  7 KB (1,085 words) - 18:52, 25 February 2018
• Chromium(III) oxide
  ...xidation of ammonia to nitric oxide when heated to red heat and put into a flask of ammonia gas.
  5 KB (622 words) - 03:08, 23 August 2021
• Copper
  *[http://www.sciencemadness.org/talk/viewthread.php?tid=62936 500 ml copper flask]
  16 KB (2,353 words) - 12:11, 25 June 2023