Determination of Trace Silver in Water Samples by Online Column Preconcentration Flame Atomic Absorption Spectrometry Using Termite Digestion Product

Table 1

Performance data for silver determination by sorption on termite digestion product minicolumn using an FI system.

Parameter
Working range	10–50 μg L^−1
Correlation coefficient (R)	0.99928
Precision (15 μg L^−1, 𝑛=6)%	3.7
Precision (35 μg L^−1, 𝑛=6)%	1.1
Limit of detection	3.4 μg L^−1
Enrichment factor	21