How to explain these experimental results
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The pH value of 1# propylene oxide is 7.02, and the pH value of 2# propylene oxide is 7.0. 25 ml of an aqueous phosphoric acid solution with a pH of 4.36 was added to 100 ml each of 1# propylene oxide and 2# propylene oxide. The pH of the solution containing 1# propylene oxide is 7.90, while the pH of the solution containing 2# propylene oxide is 4.70. 1# and 2# propylene oxide were obtained from two different workshops. I would like to ask experts how to explain these experimental results? What substances might be present in 1# propylene oxide?
Upstairs, it’s really hard to say what the manufacturing process is; generally, there are aldehydes involved