Caustic soda is then added to saponify the fat not converted by the lime saponification.
Next to olive oil, this species is the most easy to saponify.
First saponify 100 parts house grease and 100 parts ordinary grease and make a run soap.
But to simplify the operation, he preferred to saponify the fat by means of lime.
This oil closely resembles cocoa-nut and palm-nut oils and is stated to saponify readily and yield a soap free from odour.
In any method it is necessary to saponify or emulsify the grease on the grain, or difficulties occur in dyeing and finishing.
They also saponify and emulsify the grease, and it is obvious, therefore, that liming can be carried too far.
They are then placed in fairly strong limes for two or three days to swell the fibres and saponify the grease.
saponify sa·pon·i·fy (sə-pŏn'ə-fī')
v. sa·pon·i·fied, sa·pon·i·fy·ing, sa·pon·i·fies
To undergo saponification.