Extraction and Analysis of Strontium in Water Sample Using a Sr²⁺ Selective Polymer as the Absorbent Phase

Table 1

Linear range, limit of detection, and repeatability of the method.

Analytical parameter	Analytical feature
Linear range (μg/L)	50–1200
Slope (μg/L)	183
Correlation coefficient	0.9947
Limit of detection (μg/L)	21
Relative standard deviation (%)	4.23