soapless detergent

jacky2580

原帖由 Puppet 於 25-4-2008 13:21 發表

果條講的是soapy detergents
做soapless detergents加NaOH唔係cat.

在soapy同soapless detergents的製造裡,
Na+都只係spectator ions
OH-實係reactant, OH- + R-COOH ---> H2O + R-COO(-)
Controversial的只 ...

咁即係,,,,,,,   唔明= =