Chapter III : Methodology

Materials:
500 mL used cooking oil
1 kg paraffin wax
strings cut into 5 inches long, serves as wick
crayons in different colors
kettle
beaker
stirring rod
mold made from bamboo

The measured paraffin waxes will be cut into small pieces to facilitate melting. It will be placed in a clean and dry kettle, together with a small piece of colored crayon, to produce a colored candle candle. The kettle will be heated in low fire until the waxes and crayons melt. The melted wax will be added with different percentages of used cooking oil. Before the mixture solidifies, they will be formed into molds, wicks suspended in the middle of the container. They will be air-dried until hardened.

The melting rate of the different preparations of candles will be tested by the measured initial lengths of the candles and allowing them to burn for 15 minutes. The final lengths of the candles will be measured again. The melted candle will also be collected and measured. The intensity of light produced by the candles will also be tested using the photometer.

These are the following preparations made by the researcher:

A. 100% paraffin wax - 0% used cooking oil
B. 90% paraffin wax - 10% used cooking oil
C. 80% paraffin wax - 20% used cooking oil
D. 70% paraffin wax - 30% used cooking oil
E. 60% paraffin wax - 40% used cooking oil
F. 50% paraffin wax - 50% used cooking oil