What impurities could be in 85% potassium hydroxide pellet?

16 August 2023 0 3K Report

I recently discovered that the purity of the KOH pellet I have been using is 85%. I initially believed that I could easily identify the materials constituting the remaining 15% of the pellet by searching online; however, I am still unable to discern this information.

Is there anyone who is knowledgeable about this?

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