Acid pH 4-7 Test Strips, 50/Pack

SKU: 33812-4070

$6.95USD or lower Each

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Use Indigo® pH 4-7 test strips on your neutral to moderately acidic solutions. These accurate pH indicator papers come 50 strips/pack and cover a narrower range but in 0.4 pH increments. These strips indicate in 0.4 pH units but with practice, interpolation to 0.2 units is possible. 

Make pH measurements of lemon juice and vinegar and other weak acids or experiment with buffer solutions in the lab or field in place of a meter. pH color charts come with all pH test papers.

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Specifications
Color chart intervals: 4.0, 4.4, 4.8, 5.2, 5.6, 6.0, 6.5, 7.0
  • Intervals of 0.4 pH unit but can resolve 0.2 with practice
  • Dip strip, shake off excess liquid, compare to color chart immediately
  • Minimum shelf life is 3 years if kept sealed but 5 years is typical
  • Store at room temperature away from sunlight.
  • The number of strips (50) per pack or vial is approximate.

Test Strip Documentation
Stability Statement Certificate of Analysis SDS
Indigo pH paper 3-6 acid 0.5 pH intervals Stability Statement Indigo pH paper 3-6 acid 0.5 pH intervals Certificate of Analysis Indigo pH paper 3-6 acid 0.5 pH intervals SDS
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