INDICATOR PAPER WIDE RANGE With colour scale pH2.0-10.5
NDICATOR PAPER WIDE RANGE With colour scale pH2.0-10.5 .
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A universal indicator paper is a compound solution or a mixture transfused with a number of pH indicators to detect alkalinity or acidity of various solutions. The detection is accomplished through simple, smooth changes in colors when reacting with indicator paper operating with a pH value range of.