Figure 1. The sorption isotherms of initial PCM (1) and modified ones at temperatures of 300 (2), 400 (3), and 500°C (4)

From

The Effect of Thermal Treatment on Porous Structure of Carbon Materials

V.I. Mandzyuk, R.P. Lisovskyy, N.I. Nagirna

Nanoscience and Nanotechnology Research. 2013, 1(2), 23-26 doi:10.12691/nnr-1-2-3