All Questions
3
questions
1
vote
0
answers
55
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Can Methylene Blue Detect Spoilage in Food?
Initially, there is already a product which is a sensor based on Methylene Blue, which can detect changes in oxygen levels in a packaging. However, as our thesis project, we decided to take on this ...
- 11
0
votes
1
answer
185
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Chemiluminescence of luminol
Recently I have tried to perform an experiment with luminol and hydrogen peroxide (with potassium ferricyanide as the catalyst). Upon googling, I found two ways to conduct this experiment and was ...
- 11
3
votes
2
answers
11k
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Why would a solution of FeCl2 appear brown/yellow sort of like FeCl3?
If we prepare a solution of $\ce{FeCl2}$ by dissolving solid $\ce{FeCl2}$ powder in water, supposing the bottle of $\ce{FeCl2}$ was left open for sufficient time, is it possible for $\ce{FeCl2}$ to ...
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