Tirohanga Whānui o te Mākete
I kati te mākete phthalic anhydride matua me ngā utu pumau engari he iti noa ngā hekenga i te wā hokohoko hou. I te tīmatanga, i noho pumau tonu te utu o te rauemi mata orthoxylene, i te mea he ngoikore te utu o te naphthalene ahumahi. He taurite te tautoko utu whānui. I whakaatuhia e ngā kaihoko o raro te iti o te hihiri mō te hoko, ā, i hua ake ai he āhuarangi hokohoko ngawari.
Ngā Take Matua e Pā Ana ki ngā Nekehanga Utu o Nāianei
* **Utu:** I mau tonu ngā utu mō te rauemi mata matua, te orthoxylene, i te mea i whakahaerehia te mākete naphthalene ahumahi i runga i te turanga pumau ki te ngoikore. Nā tēnei i hua ake ai he tautoko taha utu taurite mō te hanga phthalic anhydride.
* **Taonga:** Kāore i rerekē ngā taumata o te taonga. Ahakoa i whakahaerehia ētahi wāhanga whakaputa i roto i ngā mahi whakatikatika kua whakaritea, i tīmata anō ngā mahi a ētahi atu whare kua mutu i mua.
* **Te Tono:** I ngoikore haere ngā āhuatanga o te taha tono. He pumau, he paku iti iho rānei ngā reiti whakahaere i ngā ahumahi o muri mai, ā, he mārie te hiahia hoko i te mākete.
**Tirohanga Mākete**
E matapaetia ana ka kitea te (ngā mahi iti/ngā mahi ngoikore) i roto i ngā wā tata nei mō te mākete phthalic anhydride. E matapaetia ana ka noho pumau tonu te utu o te orthoxylene, engari ka mau tonu pea te ia o ngā utu naphthalene ahumahi mai i te pumau ki te ngoikore, me te pupuri tonu i te pēhanga utu ngawari. I te mea ka heke pea ngā reiti whakahaere i ētahi rāngai o raro iho, ā, ka noho iti pea te hihiri hoko, e matapaetia ana ka noho (ngā mahi hokohoko) tonu. Nō reira, e matapaetia ana ka hokohoko ngā utu phthalic anhydride i roto i te āhua (ngā mahi iti/ngā mahi ngoikore).
Te wā tuku: Hui-tanguru-05-2026