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Indicator ranges
Ranges of indicators for Australian HSC chemistry
| Indicator | Range |
|---|---|
| Methyl Orange | Red<3.1<Orange 4.4<Yellow |
| Bromothymol Blue | Yellow<6.0<Green 7.6<Blue |
| Phenolphtalein | Colourless<8.3<Pink 10.0<Red |
| Litmus | Red<8.3------10.0<Blue |
| Red Cabbage | Red<3<Purple<6<7=Blue Green<12<Yellow |