The pH of the solution is usually neutral. We discovered this precipitate when this solution caused a color change linked to a very low pH of 2. The solution was originally neutral and homogenous after mixing and became acidic after storage in a refrigerator for 2 weeks. Photo in comments.
Submitted October 18, 2017 at 09:19AM by Elchad http://ift.tt/2gjat8k whatisthisthing
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