Indicator strips for the determination of oil content in water/soil

MACHINE TRANSLATION (not authorised yet)

Packaging of 100 high-quality strips of high quality German chemical company Macherey-Nagel for the demonstration of oil content in water/soil and the demonstration of hydrocarbons in water (colorimetric method - by color scale).

The strips change colour in contact with hydrocarbons, especially gasoline, fuel oil, coolants...