Lipophilic emulsifiers have HLB range and produce what type of emulsion?

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Study for the Pharmaceutics II Exam 2 Concepts Test with flashcards and multiple choice questions. Each question has hints and explanations. Prepare effectively for your exam!

Multiple Choice

Lipophilic emulsifiers have HLB range and produce what type of emulsion?

Explanation:
Lipophilic emulsifiers have a low HLB, meaning they are more oil-loving. This makes them position at the oil–water interface in a way that stabilizes droplets of water dispersed in the oil phase. So, a low HLB emulsifier is best at forming water-in-oil emulsions. In contrast, higher HLB (more hydrophilic) emulsifiers favor oil droplets dispersed in water. Therefore, the correct pairing is low HLB values producing a water-in-oil emulsion.

Lipophilic emulsifiers have a low HLB, meaning they are more oil-loving. This makes them position at the oil–water interface in a way that stabilizes droplets of water dispersed in the oil phase. So, a low HLB emulsifier is best at forming water-in-oil emulsions. In contrast, higher HLB (more hydrophilic) emulsifiers favor oil droplets dispersed in water. Therefore, the correct pairing is low HLB values producing a water-in-oil emulsion.

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