Difference between revisions of "Silicone grease"
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==Alternatives== | ==Alternatives== | ||
| − | Conc. [[sulfuric acid]] can be used as replacement for silicon grease, especially when distilling [[nitric acid]]. | + | Conc. [[sulfuric acid]] can be used as replacement for silicon grease, especially when distilling [[nitric acid]], though it cannot be used when doing acid-sensitive reactions. Petroleum jelly can be used in some cases, except for when dealing with oxidizing agents or halogens. |
==See also== | ==See also== | ||
Revision as of 14:15, 28 April 2018
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Silicone grease is a waterproof grease made by combining a silicone oil with a thickener, used in labs to grease ground glass joints.
Contents
General
Silicone grease is soluble in organic solvents, and lubrication of an apparatus with silicone grease may result in the reaction mixture being contaminated with the grease. Silicone grease does not resist powerful oxidizers, like nitrogen dioxide.
Availability
Lab silicone grease can be bought online or from lab suppliers.
Alternatives
Conc. sulfuric acid can be used as replacement for silicon grease, especially when distilling nitric acid, though it cannot be used when doing acid-sensitive reactions. Petroleum jelly can be used in some cases, except for when dealing with oxidizing agents or halogens.
