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Table 1 Overall water loss at 900 °C for clinoptilolite samples previously heated at different temperatures

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

Temperature of the thermal pretreatment, °C Water loss, %
Unheated form 10.4
50 10.4
100 10.0
200 6.1
200а 9.9
250 6.1
250а 9.9
300 9.8
350 9.7
500 9.4
700 6.6
  1. аClinoptilolite samples heated at the same conditions but additionally kept for 72 h in air with relative humidity of 70 %