Lipids Flashcards by LEA ROS MANALASTAS

Q

Solubility Test

A

Soluble in chloroform, insoluble in water

Fats and oils

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Q

Spot Test

Use

A

Differentiate between fixed and volatile oils

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Q

Spot test

Fixed oils

A

Greasy spot on paper

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Q

Spot test

Volatile oils

A

Translucent spot

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Q

Acrolein Test

A

Darkening of solution or filter paper

Identify presence of acrolein in fats

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Q

Iodine Absorption Test

A

Disappearance of purple color

Unsaturation of fats and fixed oils

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Q

Test for Soap

Surface Tension

A

Decreased stability of water droplets

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Q

Test for Soap

Salting-out

A

Precipitation of soap due to sodium chloride

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Q

Test for Soap

Insoluble Soap

A

Formation of insoluble soap

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