With three indicator zones (one main and two sub-indicator zones) for better estimation of intermediate values.
By roll, 14 mm length and 6 m width.With two hydrophobic zones for better reading of the alkali range.
pH measuring range | 1 to 11 |
Gradation | 1-2-3-4-5-6-7-8-9-10-11 |
Indicators and Dyes
Carl ROTH offers many indicators and dyes of high purity, which can be used in special applications.