Low (<10
Lead conc.
-3
Low (≤ 10
)
Ionic strength of sample governed by Pb
and accompanying anion only
Lead conc.
High or mean (> 10
Mean or low (≤ 10
-3
) ion strength of sample
Action
Standards and samples can be
measured directly.
Action
-3
)
Dilute sample 10 or 100 times.
-3
)
Standards and samples are
measured directly.
6
2+