He nui ngā painga o ngā mea ārai mura kore-halogen pērā i te APP, AHP, MCA ina whakamahia ki te kirihou. He mea ārai mura whai hua, e whakarei ake ana i te ātete ahi o te rauemi. Hei tāpiri, ka āwhina ki te whakapai ake i ngā āhuatanga miihini me te wera o te kirihou, kia pakari ake ai, kia ātete hoki ki ngā pāmahana teitei.
TF-PU501 Ārai mura e hangai ana ki te P me te N mō te pahuka PU mārō
He matū totoka hiato kore-halogen te TF-PU501, kei roto ko te phosphorus-hauwai, ā, ka mahi i roto i te wāhanga whakakōpiri me te wāhanga hau.