Litmus Blue and Litmus Red These easy-to-use test papers facilitate a general test for acid or alkaline reaction. The change occurs around pH 5-8. They are particularly recommended for educational use.
Congo Red This test paper changes color from blue to red in the range pH 3-5 for the determination of neutralization point in strong acid/weak alkali reactions.
Phenolphthalein This white paper changes to pink at pH 8.3 and becomes red at pH 10. It is useful for the determination of the neutralization point in weak acid/strong alkali reactions.
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Product
Description
Unit [Price]
AKM-9013-0005
Litmus Blue Acid-Alkali Test Paper Dispenser
AKM-9013-0006
Litmus Red 7mm x 5m Acid-Alkali Test Paper Dispenser
AKM-9013-0004
Congo Red Acid-Alkali Test Paper Dispenser
AKM-9013-0007
Phenolphtalein Acid-Alkali Test Paper Dispenser
AKM-9013-0001
Litmus Blue Acid-Alkali Test Paper Book - Carton of 10 packs of 10 Books
AKM-9013-0002
Litmus Red Acid-Alkali Test Paper Book - 20 Leaves per Book
AKM-9013-0003
pH 1.0 - 11.0 pH Indicator Booklet - 10 Strips per Book, 10 Books per Pack, 20 Packs per Carton