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Waterproof, moisture-proof film prevents sample evaporation, contamination; protects anhydrous mater...
Wide Range pH test paper is a vital tool for classroom projects and field trips. 1-14 pH range. Colo...
An easy adjusting nut provides 360 degrees jaw rotation. It will attach to rods up to 3/4" diameter....
Used for gripping hot beakers easily with one hand. One size fits all.