Figure 4

Gravimetric iodine uptake by NRPOPs overtime at 80 ℃ and ambient pressure; inset: photographs show the color change of NRPOPs after the exposure with iodine vapor.
Gravimetric iodine uptake by NRPOPs overtime at 80 ℃ and ambient pressure; inset: photographs show the color change of NRPOPs after the exposure with iodine vapor.