pH Without Color Scale
pH papers without color chart and indicator solutions
For Orientation and Adjustment of pH Values
These products are simple, completely impregnated indicator papers, which do not allow exact pH determinations, but pH adjustments during special chemical procedures. For this reason, no color scale is provided with these papers.
Simplest acid / base determination
Qualitative pH papers without color chart are simple, completely impregnated indicator papers. They indicate if the pH of a solution is above or below the transition point (color change) and are useful to distinguish between acids and bases.
pH Papers without Color Scale at a Glance
| pH Range | Color Change/pH | REF | Order | |||||
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| Brillant yellow paper | yellow → red / pH 6.7 - 7.9 | 90701 |
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| Congo paper MN 260 HE | red → blue / pH 5.0 - 3.0 | 90705 |
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| Congo paper MN 616 T | red → blue / pH 5.0 - 3.0 | 90704 |
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| Litmus paper, blue | blue → red / pH 8.0 - 5.0 | 91106 |
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| Litmus paper, blue | blue → red / pH 8.0 - 5.0 | 91126 |
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| Litmus paper, neutral | red → violet-blue / pH 5.0 - 8.0 | 91107 |
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| Litmus paper, neutral | red → violet-blue / pH 5.0 - 8.0 | 91127 |
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| Litmus paper, red | red → blue / pH 5.0 - 8.0 | 91108 |
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| Litmus paper, red | red → blue / pH 5.0 - 8.0 | 91128 |
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| Phenolphthalein paper | white → red / pH 8.3 - 10.0 | 90712 |
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