Whatman™ Acid/Alkali Test Papers

Assumes a color specific to sample pH upon contact with a sample. Whatman™ Acid/alkali Test Papers are impregnated with a mixture of pH indicators.

Manufacturer: Whatman™ 2638-500

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Catalog No. 09-800-978


This item has been discontinued by the manufacturer and is no longer available. Please call customer service for assistance: 1-800-766-7000. 


    Quantity 10 books of 20 strips
    pH Range 6.8 to 8.3
    Color Indicator Congo Red
    Product Type pH Test Paper
    Format Strips

    • Litmus Blue turns red in acid
    • Litmus Red turns blue in base, at pH 5 to 8
    • Congo Red ph range: 6.8 to 8.3

  • Description & Specifications

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