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
100
10.0
200
6.1
200а
9.9
250
250а
300
9.8
350
9.7
500
9.4
700
6.6