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A modified form of ozonoscope, in which by a series of test papers the amount of ozone in the atmosphere may be estimated.
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References in periodicals archive ?
Comparison of the New Filter Ozonometer Microtops II with Dobson and Brewer Spectrometers at Hohenpeissenberg, Geophysical Research Letters 26(10): 1385-1388.
In the Global Lab project organized by TERC, teachers, high school students, and global-change researchers around the world are studying local and global ecological change using new instruments and sensors such as ozonometers, ion-selective probes for soil and water monitoring, and field data loggers.