Universal Indicator Paper is a special test paper used for testing the pH of a solution, very similar to litmus paper. Upon contact with a liquid, the Universal Indicator Paper changes colour, the resultant colour being compared with a chart to indicate the pH value of the liquid under test, ranging from a pH of 1 (very acid) through to 11 (very alkaline) the colour eanging from a deep marron red through orrange, pale yellow, olive green, lime green (neutral pH 7) through turqioise (slightly alkali) to a deep dark blue (pH 11 very alkali). Research Universal Indicator Paper
The Probert Encyclopaedia was designed, edited and programed by
Matt and Leela Probert
Abbreviations
Research Universal Indicator Paper
