Instrument - Formaldehyde Laser Induced Fluorescence instrument from Keutsch Group (Harvard)
Short name:
FORMLIF (Keutsch)
Full name:
Formaldehyde Laser Induced Fluorescence instrument from Keutsch Group (Harvard)
What is being measured:
Sampling Protocol:
Online
Manufacturer:
Custom
Model:
Custom
Instrument year
:
None specified
Data recording software:
Inquire with PI
Data analysis software:
Inquire with PI
Raw data time resolution:
1 second
Analysis data averaging:
None
Detection limit:
Inquire with PI
Sensitivity to temperature (and correction method, if applicable):
:
Inquire with PI
Sensitivity to relative humidity (and correction method, if applicable):
:
Inquire with PI
Sampling method:
Direct sampling to chamber
Sample preparation method:
Sample residence time (chamber to instrument) (seconds):
Length of tubing (cm):
0.03
Instrument flow rate:
5
Tubing inner diameter:
Tubing material:
FEP Teflon
Chemical identification method:
Fluorescence
Data analysis method:
Inquire with PI
Quantification method:
Quantitative cross sections are applied to the data. Inquire with PI for more information
Calibration method:
Inquire with PI
Calibration drift estimate:
Calibration schedule:
Uncertainty estimation method:
Inquire with PI for more information. Uncertainties are 10 percent of the reported value
Known interferences:
Link to supplemental information:
DiGangi, J., Boyle, E., Karl, T., Harley, P., Turnipseed, A., Kim, S., Cantrell, C., Maudlin Iii, R., Zheng, W., and Flocke, F.: First direct measurements of formaldehyde flux via eddy covariance: Implications for missing in-canopy formaldehyde sources, Atmos. Chem. Phys., 11, 10565-10578, doi:10.5194/acp-11-10565-
2011, 2011.
Hottle, J. R., Huisman, A. J., DiGangi, J. P., Kammrath, A., Galloway, M. M., Coens, K. L., and Keutsch, F. N.: A laser induced
fluorescence-based instrument for in-situ measurements of atmospheric formaldehyde, Environ. Sci. Technol., 43, 790–795,
doi:10.1021/es801621f, 2008.
Additional notes:
PI contact information: Frank Keutsch, (617) 495-1878, keutsch@seas.harvard.edu
Measurement uncertainty:
Measurement units: