Vernier Software and Technology
Vernier Software & Technology

pH Buffer Capsules Kit

The pH Buffer Capsules Kit is a convenient set of three vials containing capsules to make pH 4, pH 7, and pH 10 buffer standards for calibrating pH sensors. Included with the set is one vial of Hydrion Color Key Buffer Preservative.

Each vial contains 10 capsules, each of which produces 100 mL of solution when mixed with DI water. Add three drops of the buffer preservative to 100 mL of your buffer solution to prolong the shelf life. Hydrion Color Key Buffer Preservative is a combination mold inhibitor and universal indicator for color coding the buffer solutions: orange for pH 4, green for pH 7, and blue for pH 10.

What’s included with the pH Buffer Capsule Kit:

  • (10) pH 4 – Orange
  • (10) pH 7 – Green
  • (10) pH 10 – Blue
  • Color Key Buffer Preservative
  • Solution preparation instructions
  • Safety Data Sheets

Ordering Information

All prices are for U.S. educators.

NameOrder CodePriceQuantity
pH Buffer Capsule KitPH-BUFCAP$29

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Educational use only: Vernier products are designed for educational use. They are not appropriate for industrial, medical, or commercial applications. Product usage disclaimer »

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