WebSelect all that apply Molecular sieves Using excess reagent Solvent distillation Flame drying glassware Reflux Maintenance of inert atmosphere Vigorous stirring. Chemists often go to great lengths to eliminate water from reaction mixtures. Identity methods that may be applied in order to achieve anhydrous experimental conditions. Web1) Prepare the clean glassware that is to be flame dried by placing a dry magnetic stir bar in the flask (if necessary for a reaction or distillation). Dry the flask above 130 degrees C in an oven overnight. Once out of the oven, seal the flask with a rubber septum. Completely fold the rubber septum over the neck of the flask.
Standard Operating Procedure - University of California, …
WebDec 29, 2012 · It consists of a pear-shaped or a round-bottomed flask, which has a sidearm near the top to connect it to the vacuum/inert gas line. If you conduct experiments under … WebDec 29, 2012 · It consists of a pear-shaped or a round-bottomed flask, which has a sidearm near the top to connect it to the vacuum/inert gas line. If you conduct experiments under inert gas, the glassware has to be appropriately prepared by flame-drying the equipment under vacuum. Here are some additional pointers to consider when you use Schlenk … porta stream i eyewash station in green
How to dry glassware?Which method is better?
WebQuestion: please I need help with the post lab questions. 1,2, and 4, will be helpful . ill give thumbs up . WebGood lab technique necessitates the use of clean glassware. Glass must be physically clean, chemically clean, an in many cases, sterile. Many glassware accidents occur … WebApr 7, 2024 · Table 7.1: Procedural summary for flame drying glassware. Clamp the flask to be dried (and stir bar if using) to a ring stand or latticework with an extension clamp. … ironworks prescott az