MN 90415 (pH 3.8-5.5) pH test paper

The measurement acid alkalinity range of MN 90415 pH test paper is 3.8~ 5.5pH, the division is 3.8-4 0-4.2 - 4.4-4 6-4.9 - 5.2-5 pH, MN 90415 pH test paper 200 pieces per box, suitable for measurement of colored solution or suspension pH value.