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Table 4 Determination of La(III) at different concentrations in real water samples using 20 mg SG-N-PhenacylPyrNTf 2

From: New solid phase extractor based on ionic liquid functionalized silica gel surface for selective separation and determination of lanthanum

Samples Added (mg L−1) Unadsorbed (mg L−1) Extraction (%)
Tap water 1 0.02 98.00
5 0.13 97.42
10 0.39 96.15
Lake water 1 0.01 98.66
5 0.14 97.22
10 0.45 95.50
Seawater 1 0.03 97.40
5 0.15 97.02
10 0.52 94.85
Drinking water 1 0.02 98.46
5 0.11 97.76
  10 0.36 96.45