We are closed for a short break from 12pm (GMT) 2nd February, and will be back in the office on the 10th February. Orders placed during this time will ship when we reopen.
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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