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2. Soap substitute - Wikipedia

   en.wikipedia.org/wiki/Soap_substitute

   There are many resources for instructions on making soap at home, and the only required ingredients are plant or animal fat, water, and lye (sodium hydroxide). It is also noteworthy that there are many homemade products that are highly efficient at cleaning, such as hot water, vinegar, baking soda, lemon juice, salt, coffee powder, ascorbic ...

3. Lye - Wikipedia

   en.wikipedia.org/wiki/Lye

   Potassium hydroxide soaps are softer and more easily dissolved in water than sodium hydroxide soaps. Sodium hydroxide and potassium hydroxide are not interchangeable in either the proportions required or the properties produced in making soaps. [citation needed] "Hot process" soap making also uses lye as the main ingredient. Lye is added to ...

4. Saponification - Wikipedia

   en.wikipedia.org/wiki/Saponification

   In one simplified version, the saponification of stearin gives sodium stearate. C 3 H 5 (O 2 C(CH 2) 16 CH 3) 3 + 3 NaOH → C 3 H 5 (OH) 3 + 3 NaO 2 C(CH 2) 16 CH 3. This process is the main industrial method for producing glycerol (C 3 H 5 (OH) 3). Some soap-makers leave the glycerol in the soap. Others precipitate the soap by salting it out ...

5. Saponification value - Wikipedia

   en.wikipedia.org/wiki/Saponification_value

   Handmade soap makers who aim for bar soap use sodium hydroxide (NaOH), commonly known as lye, rather than KOH (caustic potash) which produces soft paste, gel or liquid soaps. In order to calculate the lye amount needed to make bar soap, KOH values of SV can be converted to NaOH values by dividing KOH values by the ratio of the molecular weights ...

6. Saltwater soap - Wikipedia

   en.wikipedia.org/wiki/Saltwater_soap

   Saltwater soaps are potassium salts rather than sodium salts. Both sodium and potassium are alkali metals. The relatively high concentration of salt (sodium chloride) in seawater lowers the solubility of soaps made with sodium hydroxide, due to the common ion effect, a form of salting out. Potassium soaps are more soluble in seawater than ...

7. Cleaning agent - Wikipedia

   en.wikipedia.org/wiki/Cleaning_agent

   Soap or detergent; Sodium carbonate (washing soda) Sodium bicarbonate (baking soda) Sodium hydroxide (lye) Sodium hypochlorite (liquid bleach) Sodium perborate; Sodium percarbonate; Tetrachloroethylene (dry cleaning) Trisodium phosphate; Water, the most common cleaning agent, which is a very powerful polar solvent; Xylene (can damage plastics)