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Thursday, 26 January 2012

THE ADDITIVES IN DETERGENT



IDENTIFY THE ADDITIVES IN DETERGENT AND THEIR RESPECTIVE FUNCTIONS

-Detergent are used to enhance efficiency.

 THE ADDITIVES IN DETERGENT AND THEIR RESPECTIVE FUNCTIONS

Additive
Function
Biological enzyme
(e.g. amylase, protease, cellulase, lipase)
To break down and remove stains such as proteins, fats, carbohydrates, blood and oils.
Builder
(e.g. sodium phosphate, sodium tripolyphosphate)
To enhance the surfactant efficiency by lowering the water hardness because magnesium and calcium ions will combine with phosphate ions to form metal phosphate precipitates.
Filler (Drying agent)
(e.g. sodium sulphate, sodium silicate)
To make the solid detergent dry and enable the liquid detergent to be poured easily.
Fragrance
To give detergent and fabric smells better.
Optical brightener
(e.g. fluorescent dye)
To convert some ultraviolet radiation to blue light and cause the fabrics look brighter and whiter rather than yellow.


Stabilising agent
(e.g. silicones, diethanolamide)
To lower the production of foam especially during the usage in a washing machine.
Suspension agent
(e.g. sodium carboxymethylcellulose)
To increase the negative charge on cellulosic fabrics such as cotton and rayon. This will prevent the dirt particles removed from redepositing onto the cleaned fabric.
Whitening agent
(e.g. sodium hypochlorite, sodium percarbonate, sodium perborate)
To bleach the white fabrics but does not bleach the dye on the coloured fabric.


BY NURANIS FITRIANA ROSLI

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