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Table 3 Desorption effectiveness of terbium(III) ions from clinoptilolitea

From: A solid-phase extraction method using Transcarpathian clinoptilolite for preconcentration of trace amounts of terbium in water samples

Eluent Desorption (%)
1 M NaCl 75
1 M NaCl (adjusted to pH 2.5 with HCl) 95–100
2.8 M HNO3 80
7 M HNO3 100
3.6 M H2SO4 30
2.4 M HCl 60
6 M HCl 70
  1. aFlow rate of eluent through adsorption system = 1 mL∙min−1; volume of the eluent employed = 15 mL