EPA Method 300.1 Determination of Inorganic Anions in Drinking Water by Ion Chromatography
Many low molecular weight organic analytes will have a similar retention time as fluoride. You can run high purity single analyte standards to help identify fluoride
Be cautious if perchlorate is present in your
from possible interferences.
sample. We have seen perchlorate have an extremely long retention time, greater than 40 minutes, when running an IC optimized for part A and B analytes.
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