Acid pH 4-7 Test Strips, 50/Pack
SKU: 33812-4070
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.
Buy Indigo® pH test strips for reliable acid-base measurements. All come with a Certificate of Analysis, Stability & SDS documents listed below; Certificate of Conformance on request & a 3 year minimum guaranteed shelf life. See: Test Strip Expiration Dates: Good Today, Dead Tomorrow?.
