Verzending 24–48 u • Levering in de hele EU • Veilige chemieverpakking
A simple test to determine the level of ozone in the air.
Application: The test strip is placed at a location that is sheltered from the wind. Ten minutes later, its colour is then compared to a colour scale.
| Verification of | O3 |
| Gradation | <90, 90–150, 150–210, >210 µg/m³ |
| Colour conversion | from white to brown |








Verzending 24–48 u • Levering in de hele EU • Veilige chemieverpakking
