METHYL VIOLET TEST PAPERS 100 STRIPS VIAL, Vial of 100 stri

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100 PAPERS || 100 Methyl Violate Test Papers in a plastic vial APPLICATIONS || Used to test strong acid solutions & detect nitrogen oxides in vapors NARROW RANGE || Calibrated to accurately measure the pH of a solution within a narrow range of pH 0.2 to 2.0 COLOR CHANGE || Methyl Violet will transition from violet (pH 2.0) to yellow (pH 0.2) SIZE || Each strip measures approximately 48mm long and 6mm wide