The red litmus will turn blue when it comes into contact with an alkaline solution above pH 6.8. Supplied in plastic snap-cap container, 100 paper strips per container! Litmus paper is NOT used to determine the pH level of a solution.
The BLUE litmus will turn RED when it comes into contact with an alkaline solution below pH 6.8. Supplied in plastic snap-cap container, 100 paper strips per container! Litmus paper is NOT used to determine the pH level of a solution.
30PCS PACK Score-Making Stone for Glass Ampoule/Vial Breaking.Made of Green Silicon Carbide.Performs well for Making Pre-Score Line to Break Glass Ampoule/Vial Neck Safely, Get a Clean & Tidy Breaking/Opening Work.
This listing is for a pre-owned unused glass vial of 100 Congo Red Test Paper strips from FIsher Scientific (No. 14-861), topped with cork. Note: I cannot guarantee the contents.
Set of three storage boxes each box holds 100 vials/test tubes such as 1ml or 2ml vials. 6cm high 14cm wide/deep 15cm deep inc. hinges each compartment is 12mm x 12mm The opaque box has a crack at the front of the lid, it was like that when i purchased it, does not affect the function of the box at all.
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