They are highly recommended for measurement of the pH of weakly buffered or strongly alkaline
solutions. Test samples are not contaminated by the indicator dyes, so
that you can may continue further investigations with the same sample.
Length and stability of the plastic strips protect fingers from contact with the
Dimensions of individual sticks are 1/4" x 3 1/2"
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Old Part# PHPAPER
Keywords: pH paper, pH indicator paper