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Lithium 12-hydroxystearate (C 18 H 35 LiO 3) is a chemical compound classified as a lithium soap. In chemistry, "soap" refers to salts of fatty acids. Lithium 12-hydroxystearate is a white solid. Lithium soaps are key component of many lubricating greases.
Lithium-based grease has a dropping point at 190 to 220 °C (374 to 428 °F). However the maximum usable temperature for lithium-based grease is 120 °C. The amount of grease in a sample can be determined in a laboratory by extraction with a solvent followed by e.g. gravimetric determination.
Lithium grease in use. Lithium soap is a soap consisting of a lithium salt of a fatty acid. [1] [2] Sodium-based and potassium-based soaps are used as cleaning agents in domestic and industrial applications, whereas lithium soaps are used as components of lithium grease (white lithium).
Alkali metal and alkaline earth soaps are white solids. [1] The most commonly encountered are traditional household soaps, which are the fatty acid salts of sodium (hard soap) and potassium (soft soap). Lithium soap or greases, such as lithium stearate, are insoluble in water and find use in lubricating grease.
Classical qualitative inorganic analysis is a method of analytical chemistry which seeks to find the elemental composition of inorganic compounds.It is mainly focused on detecting ions in an aqueous solution, therefore materials in other forms may need to be brought to this state before using standard methods.
The use of a cotton swab or melamine foam (used in “eraser” cleaning sponges) as a support has also been suggested. [ 7 ] [ 8 ] [ 6 ] Sodium is a common component or contaminant in many samples, [ 2 ] and its spectrum tends to dominate many flame tests others. [ 5 ]
Lithium stearate is a chemical compound with the formula LiO 2 C(CH 2) 16 CH 3. It is formally classified as a soap (a salt of a fatty acid ). Lithium stearate is a white soft solid, prepared by the reaction of lithium hydroxide and stearic acid .
Dry-powder tumbling is an effective application method. The bonding can be improved by prior phosphating of the substrate. Use of free powders has its limitations, since adhesion of the solid particles to the substrate is usually insufficient to provide any service life in continuous applications.
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