NEW AIR SCRIBE ALERT! Meet the Maia! We will also have a new budget air scribe launching in the next few weeks... so watch this space.
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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