Set of 10 test tubes for the GASTEC gas detector, used for detecting
changes in carbon dioxide content in the atmosphere due to combustion
processes, for comparison of fresh and stuffy air or observing photosynthesis in plants.
changes in carbon dioxide content in the atmosphere due to combustion
processes, for comparison of fresh and stuffy air or observing photosynthesis in plants.
Eigenschappen
- 1012524/3B