Universal Indicators are some of the most widely used test papers in education, laboratory and chemical manufacturing. They provide an accurate and quick method of measuring the pH of a solution. These products supplied with a colour chart.
Available in :
- 140.4, Universal Indicator Strips pH 0-14 (4 Pad), 100 strips/pack
- 004.1, Universal Test paper, pH 1-11, 20 strips x 10 books/box