Our store is currently closed for the Festive Break until 5th January 2025. Orders will resume shipping when we return
Johnson Test Papers Comparator Paper pH 0.5 - 5.5, pH paper
Available as 1 reel (5m x 7mm).
Good for testing pyritic specimens for sulphuric acid to check if there has been any pyrite decay. Also good when doing acid preparation of specimens.
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