f) Chemical composition of solids filtered from the water lake in Halema’uma’u Crater, Kīlauea Volcano, Hawaii
Dates
Publication Date
2023-03-30
Start Date
2019-10-26
End Date
2020-10-26
Citation
Peek, S., Nadeau, P.A., Younger, E.F., Elias, T., Kelly, P.J., Damby, D.E., Najorka, J., Lerner, A.H., and Hurwitz, S., 2023, Chemical and isotopic composition of gas, water, and solids from the 2019-2020 water lake in Halema’uma’u Crater, Kīlauea Volcano, Hawaii: U.S. Geological Survey data release, https://doi.org/10.5066/P99H412X.
Summary
Samples of the crater lake water were filtered in the field with a 0.45 micron filter. Subsequently, additional precipitates formed in the solute-rich samples (secondary precipitates). The solids that accumulated on the filters (both secondary and original precipitate) were digested by heating overnight in a sealed Teflon vial with 300 µL concentrated HCl, 100 µL concentrated HNO3, and 500 µL concentrated HF. Following digestion, samples were dried down, then re-dissolved in 300 µL concentrated HNO3 and diluted with MilliQ water. The liquid from the digested samples were analyzed for element concentrations by inductively coupled plasma-optical emission spectrometry (ICP-OES) using a ThermoFisher ICAP 6500 Duo at the U.S. Geological [...]
Summary
Samples of the crater lake water were filtered in the field with a 0.45 micron filter. Subsequently, additional precipitates formed in the solute-rich samples (secondary precipitates). The solids that accumulated on the filters (both secondary and original precipitate) were digested by heating overnight in a sealed Teflon vial with 300 µL concentrated HCl, 100 µL concentrated HNO3, and 500 µL concentrated HF. Following digestion, samples were dried down, then re-dissolved in 300 µL concentrated HNO3 and diluted with MilliQ water. The liquid from the digested samples were analyzed for element concentrations by inductively coupled plasma-optical emission spectrometry (ICP-OES) using a ThermoFisher ICAP 6500 Duo at the U.S. Geological Survey laboratories in Menlo Park, California.
Click on title to download individual files attached to this item.
digestion_metadata.xml Original FGDC Metadata
View
21.7 KB
application/fgdc+xml
Precipitate_digestion_chemistry.csv
1.55 KB
text/csv
Purpose
The purpose of this report is to: (1) provide water chemistry data from sample sites in the short-lived water lake in Halema’uma’u crater; (2) describe methods used to collect and analyze the samples; (3) supplement interpretive reports.
