NASA NTRS · 19650000387
Test strips detect different CO2 concentrations in closed compartments
Abstract
Four different test strips, using crystal violet for one pair of strips and basic fuchsin as a dye for the second pair, give unambiguous colorimetric indications of four different concentrations of carbon dioxide in the atmosphere of a closed compartment. Tetraethylene pentamine is used as a dye decoloring agent.
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1965-12-01. Test strips detect different CO2 concentrations in closed compartments. https://ntrs.nasa.gov/citations/19650000387
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