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...oils (such as olive oil), aromatic oils (such as thyme oil) and lye (''al-Soda al-Kawia'') were first produced by chemists. From the beginning of the 7th ...aste" your soap for lye for doneness. Lye, when not saponified is a highly caustic material. Rather, research proper Hot Process techniques and use a digital

*3.0% from [[caustic soda]] production. ====Production of chlorine and caustic soda====

...possibility is mercerizing during which the fabric is treated with caustic soda solution to cause swelling of the fibres. This results in improved lustre,

...t used with most vegetable oils. Crude soy oil is first mixed with caustic soda. [[Saponification]] turns [[triglycerides]] into soap. The soap is removed