- Place the porphyrin film (with 2 drops of HCL), prepared on 24/10/2012, into a 6 molality of NaCl with 100ml of HPLC water.
- Place the NaCl solution in to a hot plate and wait until temperature raises to 70C.
- At 70C place the film into beaker.
48 hours After placing porphyrin film into 1 % HCl solution
- The film became full green.(compared to the pictures on 31/10/2012)
Porphyrin film with 2 drops of HCL, prepared on 24/10/2012
- The film shrunk and look more brittle.
- More intense green color.
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