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“Calculate MIMS dissolved gas concentrations without getting a headache.”
mimsy is a data analysis package that transforms raw
MIMS (Membrane Inlet Mass Spectrometer) signal data into dissolved gas
concentration readings (mg, micromole) of N2, O2, and Ar based on gas
solubility at temperature, pressure, and salinity. Supports both single
and dual-temperature standard calibration MIMS setups with either one or
two water baths, and uses a drift correction method to calculate gas
concentration values. mimsy is designed to be simple and
accessible for non-R users.
This package incorporates portions of the MIMS R functions written by Hilary Madinger and Bob Hall, available on Hilary Madinger’s website.
Click on the Get started tab above to read through the how-to guide.
# Load data into R
data <- read.csv(file = "data.csv", header = TRUE, stringsAsFactors = FALSE)
# Run the mimsy function
results <- mimsy(data, baromet.press = 977.2, units = "hPa")
# Save the results
mimsy.save(results, file = "results.xlsx") # To Excel file
save(results, file = "results.RData") # To RData file
# Done! :)# Download package
install.packages("mimsy")
# Load package into your R environment
library(mimsy)To see the recommended citation for this package, run
citation("mimsy") in the R console:
citation("mimsy")mimsy holds no endorsement from the Bay Instruments
company. This software is preliminary and subject to revision. By the
use of this software, the user assumes their own responsibility for
ensuring the accuracy of the program.
Garcia, H., and L. Gordon (1992), Oxygen solubility in seawater: Better fitting equations. Limnology and Oceanography, 37(6). https://doi.org/10.4319/lo.1992.37.6.1307
Benson, B. B. & Krause, D. (1984). The concentration and isotopic fractionation of oxygen dissolved in freshwater and seawater in equilibrium with the atmosphere. Limnology and Oceanography, 29(3), 620-632. https://doi.org/10.4319/lo.1984.29.3.0620
Stull, D. R. (1947). Vapor Pressure of Pure Substances. Organic and Inorganic Compounds. Industrial & Engineering Chemistry, 39(4), 517-540. https://doi.org/10.1021/ie50448a022
Hamme, R. C. & Emerson, S. R. (2004). The solubility of neon, nitrogen and argon in distilled water and seawater. Deep-Sea Research I, 51(11), 1517-1528. https://doi.org/10.1016/j.dsr.2004.06.009
These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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