ERIC Number: ED085209
Record Type: Non-Journal
Publication Date: 1970-Mar
Testing of Colorimetric Tubes for Nitrogen Dioxide and Monomethylhydrazine.
Colorimetric tubes for nitrogen dioxide (NO2) and monomethylhydrazine (MMH) were tested for accuracy and results indicate that at the levels checked the tubes' average deviation was plus or minus 20 percent. Tube NO2 concentrations all read lower than the analyzed concentrations. MMH tubes read much higher than the analyzed concentration of 0.28 ppm but averaged +20 percent deviation at the 1 to 2 ppm level. (Author/JR)
Descriptors: Aerospace Technology, Chemical Analysis, Chemistry, Environmental Education, Evaluation Methods, Laboratory Procedures
National Technical Information Service, Springfield, Virginia 22151 (AD-752-527, PC-$3.00 MF-$0.95)
Publication Type: N/A
Education Level: N/A
Authoring Institution: Environmental Health Lab., McClellan AFB, CA.