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MilliporeSigma™ colorpHast™ pH Strips

Accurate results are achieved even in weakly buffered, turbid and colored samples. Each pack contains 100 strips.

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Catalog Number Mfr. No. Description Price Qty Availability  
Catalog Number Mfr. No. Description Price Qty Availability  
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N/A Range: Full, pH 0 to 14 This item has been discontinued by the manufacturer and is no longer available. Please call customer service for assistance: 1-800-766-7000.


  • Unique pH test papers feature covalently bound indicators that will not bleed, dilute, or contaminate trace samples
  • Strips give sharp, clear color changes for easy comparison to color scale provided on the colorpHast package Full-range (Universal) Strips measure 0 to 14pH range in a single test with 0.5pH sensitivity—each strip includes four squares with different indicators Intermediate-range Strips with three squares each have a sensitivity of 0.3 to 0.5 Narrow-range Strips with one pad have a sensitivity of 0.2 to 0.3

Order Info

Each pack contains 100 strips

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