Tag: Sorbitan esters

Emulsifying agents, Properties of Emulsifying agents and MCQs for GPAT, NIPER, Pharmacist and Drug Inspector exam

Emulsifiers: These materials typically exhibit some surfactant characteristics but also facilitate micelle formation, which allows for stable uniform products consisting of oil-in-water or water in-oil biphasic emulsions or tri-phasic emulsions. Examples – Carbomer, Carrageenan, Lanolin, Lecithin, Mineral Oil, Oleic Acid, […]

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Surfactants, Surface active agents and Question Answer for GPAT, NIPER, Pharmacist and Drug Inspector exam

SURFACE-ACTIVE AGENTS (SURFACTANTS): Substances having both hydrophilic and hydrophobic regions in their molecular structures are called surfactants or surface-active agents. When surfactants are added to the air/ liquid (water) interface, they accumulate at the interface, a process that is generally […]

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