Material under study

T, ˚C

Degree of ¹³¹I sorption, %

The total degree of ¹³¹I sorption, %

Column with material under study

Column with SiO₂-Cu⁰

Scrubber with 0.05 М Na₂SO₃

Without accounting of thermal decomposition

With accounting of thermal decomposition

Silica gel

240

~2.12

~0.03

~0.006

~2.12

~2.16

350

~1.15

~8.99

~0.007

~1.15

~10.15

460

~0.54

~76.20

~0.009

~0.54

~76.74

540

~0.31

~96.75

~0.012

~0.31

~97.07

Silica gel-NH₄OH

340

~0.45

~7.99

~0.002

~0.45

~8.44

Silica gel-NH₄NO₃

340

~0.23

~3.09

~0.002

~0.23

~3.32