Tiras de papel de tornasol para pH

Provides a general test for acidic or alkaline reactions. Macherey Nagel™ Blue Litmus Paper is comprised of completely impregnated indicator paper.

• Color change from blue to red
• Store in a cool, dry place
• Avoid exposure to sunlight and moisture
• Serves in neutralization reactions to check whether the change from acid to alkaline or vice versa has taken place