Universal indicator solution pH4 to 11 GRG
| Code | Pack Size | Price | |
|---|---|---|---|
| 242P1 | 250ml | £7.99 | Out of Stock |
Universal Indicator pH 4–11
SPECIFICATION:
- Other names: Universal Indicator solution and Full Range Indicator in IMS;
- CAS No: 64–17–5 (ethanol)
- EC No: 200–578–6 (ethanol)
- Formula: a mixture of compounds
- Appearance: liquid
- Specific gravity: 0.89 g/cm3 @ 20C
- pH: 7 @ 20C
- Flash point: 23C
- Boiling point: 80C
- Explosion limit upper: 15%
- Explosion limit lower: 3.4%
- Vapour pressure: 59 mmHg @ 20C
- Solubility: miscible with water.
- Colour changes:
- pH4: Yellow Orange.
- pH5: Yellow.
- pH6: Light Green.
- pH7: Green.
- pH8: Dark Green.
- pH9: Blue.
- pH10: Dark Blue.
- pH11+: Purple/Grey.
Please note that a colour chart is not included.
Contents: Ethyl alcohol; Methyl alcohol; Phenolphthalein; Bromothymol blue sodium salt; Thymol blue, sodium salt; Methyl red, sodium salt; Water.
