Universal pH Indicator Test Papers (Johnson), pH 1 - 11, 10x20 Strips/Box
2 weeks ago by objectdart
In Rehabilitative Devices
Johnson Test Papers Universal Indicator Paper pH 1 - 14, pH paper- for use in laboratory, food service, education, Environmental / Safety, cosmetics, industrial,and water treatment Available as 10 books of 20 strips, 1 reel (5m x 7mm), 3 reel refill pack*,and 100 strips per pack.
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