5mL amber dropper bottle pH Indicator Solution + 50mL HDPE bottle of pH Indicator Solution refill.
pH Indicator Solution is a colorimetric spot test used to determine the pH.
| pH | Colour |
| 0-3 | Red |
| 4 | Orange-Red |
| 5 | Orange |
| 6 | Yellow |
| 7 | Yellow-Green |
| 8 | Green-Blue |
| 9 | Blue |
| 10 | Violet |
| 11-14 | Reddish Violet |
All reagents are high purity & ready to be used for your colorimetric tests.
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