Saturday, May 24, 2014

Lab 4

May 2, 2014

Today our lab consisted of annealing the Iron(III) hydroxide into the final Iron(III) oxide.

The lab was very simple today as the annealing phase essentially involved throwing the substrate into the furnace. We conducted this in two stages. The first stage consisted of leaving the substrate in the furnace for 22 minutes at 450 degrees Fahrenheit. After that period of time had ended, the second phase was done by increasing the heat to 775 degrees and leaving it in for another 29 minutes. After this, the annealing was completed making the substrates ready for testing.

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