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Starch And Potassium Iodide Test Paper
For ozone tests. Colour change, colourless to blue. Box of 10 books.
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Litmus Blue Box Of 10 Books
Range pH 8-5, colour change blue to red.
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Red Litmus
Range pH 5-8, colour change red to blue.
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Litmus Neutral
Colour change to red or neutral.
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Litmus Red Box Of 10 Books
Range pH 5-8, colour change red to blue.
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Blue Litmus
Range pH 8-5, colour change blue to red.
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PH1-14 Universal Indicator Test Paper (10 Books Per Box)
This test paper covers the range pH1 to 14. Box of 10 books each of 20 leaves, 65 x ...
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Ph Indicator Paper Dispenser Standard,
Range pH 1 to 11 in clear colour coded steps. Colour chart is on the side of the plastic ...
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