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Universaalindikaator
Universaalindikaator on happesusindikaator, mille värvus muutub vastavalt pH-le sujuvalt.
| pH | Värv |
|---|---|
| 0-3 | Punane |
| 3-6 | Oranž/Kollane |
| 7 | Roheline |
| 8-11 | Sinine |
| 11-14 | Lilla |
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