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pH Base Indicator Papers, Range 7.0-10.0

pH basic (alkaline) indicator papers measure alkaline solutions in the range of pH 7.0-10. They can be used for making buffers involving baking soda-sodium bicarbonate. The pH base indicators are mounted on rigid, high contrast white plastic.

Note: The number of strips per pack or vial is approximate.
  • Narrow pH range 7.0-10.0; resolution is 0.5 pH unit
  • Test baking soda, ammonia or hard water.
  • Ethylene glycol based antifreeze

Test Specifications; How to Use

  • Dip strip in solution for 1-2 seconds; compare to color chart
  • Solutions must be aqueous (water based)
  • For soaps, wet the strip first; oils cannot be tested
  • Deeply colored solutions can cause inaccurate readings
  • 2+ year shelf life: keep sealed & out of direct sunlight
  • Papers are non-bleeding so can be dipped for several minutes
Acid, Base, Acid+Base pH Test Papers
pH 1-14: Wide Range pH 5-9: "Litmus" pH 5.5-8.0: Urine/Saliva
pH 0-2.5: H2SO4Lemon/Vinegar pH 3-6: Orange/Tomato/Yeast pH 4-7: Milk/Rain Water
pH 7-10: Baking Soda/Borax/Egg Whites - pH 10-13: Magnesia/Ammonia/Lye
Click on "Buy/Quote" button for quantity prices & freight options.
P/NDescription QtyUnit
33812-7010pH paper, 7-10 (base), 0.5 pH intervals, 50 strips/pack1-97.25
 10-997.15
 100+7.10

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Waterloo, ON, N2J 4R9 		Distribution Only
Niagara Falls, NY 14305
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