. . . . "the distinction between the surface area of a material that is exposed on the outer particle surface (external surface area) and the surface area located within pores or internal structures of the material" . . . "External vs internal SA" . "external vs internal surface area of material" . . . . "Christos Vasileiou" . "2026-03-05T14:50:07.922Z"^^ . . . . . . . . . "RSA" . "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAz1OobdRASd9SftHrLhG905OXjv8DHndvyWzXRJ5EDFPankMSnHZPHK+g2qEeRWdonstt55CLrpTpWsVv9xRtTqPidXHbnWLBXX42iCB+EnZNoKqAVKF5GxkSR38S0uTTq3aeQJbw2kTpx6LMkspmuH95fgAI/lfqPWrxdlI98jIeHQ14UXZpiWmkkvPgC9GVgmwHiG1hB/NCA2fKCOxVodN44OfhAPtkWmPJ40IcGPSalI4HRqgLLI5PabdRk3PiG81cUngmQU1Xk6EapzkRJGenkOlGsC5L4ktEPO6LS9uBMLTMLQDtGtkrcwqg5HmeKv7Ili3vgr3LL8/GaBBOLQIDAQAB" . "bZQMOJoUOeFu1REUgGD1scNGP86OchbpO5h5upLN76tal/3ros6zRBC2emGvMNt0mMeVbfVe+YTzsadNmtv9HbWU+1nj2NDHHi+bfa5rZgS+GItyDTJUPi5ihYLhEynHVDdnZ1LiqpYFl3rlrnb1bzFRRLPxxgwJDzhsr9h/oa1Y3LaNG++cYO7h52nfvUmMz1frtDdEMsQoQaKl0pVFXUS2zC+gIE6Xaa8Qf4Wjop/6a73dznqlP/68uXD2UsfjRTb5uP8K19A/UIvDrHKySxAOLcoDqKB+LvqSn0DAHTpHROGwZnklMt76yNfZu78PJlZaZr3ODuBVRWkP23FQbg==" . . .