NARROW RANGE pH INDICATOR PAPERS : pH 2.0 - 4.5 pH 3.4 - 6.0 pH 3.8 - 5.3 pH 5.0 - 7.5 pH 6.5 - 9.0 pH 8.0 - 10.5		Wide Range pH Indicator Papers Narrow Range pH Indicator Papers Specific Range pH Indicator Papers Special Indicator Papers