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  4. Partitioning of six pyrethroid insecticides at varying salinities

Partitioning of six pyrethroid insecticides at varying salinities

Dates

Publication Date
Time Period
2020-03-31

Citation

Hladik, M.L., 2020, Partitioning of six pyrethroid insecticides at varying salinities: U.S. Geological Survey data release, https://doi.org/10.5066/P9LQTT8D.

Summary

To determine aqueous pyrethroid partitioning across a salinity gradient 20 mL Pyrex beakers were filled with 8 mL of deionized water at varying salinities (0, 0.5, 2, 6 ppt). Salinity was adjusted using a 10 ppt stock solution (made by diluting Instant Ocean into deionized water). The water samples were spiked with pyrethroids (bifenthrin, cyhalothrin, cyfluthrin, cypermethrin, deltamethrin, esfenvalerate, fenpropathrin) at 500 ng/L (pyrethroid stock solution was 0.25 ng/µL in acetone, 16 µL added to each beaker). Samples were equilibrated in the dark (beaker covered with aluminum foil and placed in a cardboard box; the first set was equilibrated for 24 hr, the second set for 120 hr). Each set of samples at a particular salinity and [...]

Contacts

Point of Contact :
Michelle L Hladik
Process Contact :
Michelle L Hladik
Originator :
Michelle L Hladik
Metadata Contact :
Michelle L Hladik
Publisher :
U.S. Geological Survey
Distributor :
U.S. Geological Survey - ScienceBase
USGS Mission Area :
Water Resources
SDC Data Owner :
California Water Science Center

Attached Files

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Pyrethroid salinity partitioning data release.xml
“metadata”
Original FGDC Metadata
View 		14.79 KB application/fgdc+xml
Pyrethroid salinity partitioning.csv
“pyrethroid partitioning data” 		9.27 KB text/csv

Purpose

Pyrethroids in aqueous solution have been previously shown to associate with glass container walls. It is unknown how salinity differences may affect the partitioning of pyrethroid with glass containers, especially those used for toxicity tests. This data will aid in determining laboratory toxicity test exposure levels.

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  • USGS California Water Science Center
  • USGS Data Release Products

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Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P9LQTT8D

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