Question

सरफेस एक्टिव एजेंट एंड एचएलबी​

Answer 1

Answer:

hydrophilic - lipophilic balance (hlb) is the balance of the size is the strength of the hydrophilic and lipophilic moieties of the surfactant molecule the hlb scale range from 0 to 20 range of 3.5 to 6.0 surfactant are more suitable for use in w/o emulsions