Indicator strips for determining the ozone content of air

MACHINE TRANSLATION (not authorised yet)

A set of 12 high-quality strips from the German chemical company Macherey-Nagel to determine the level (concentration) of ozone in the air (within 4 ranges) within 10 minutes (according to the colour scale). Ranges: 90, 90-150, 150-210, 210 μg/m3.

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