Tuhinga
Ka taea rānei e te tae o te kahurangi metilīni te tohu i tōna parakore?
Kāore te tae o te kahurangi metilīni e whakaatu i tōna parakore. Tērā pea he āhua hāngai tō tētahi wairewa kahurangi ki te tapanga, engari he hē tōna kukū, he poke rānei kei roto e kore e kitea e ō karu. Ehara te pounamu pōuri ake i te taunakitanga he parakore ake te hua.
He mea nui tonu te āhua ka kitea. Me whakatewhatewha ngā korakora ohorere, te kohu o te wai, ngā rerekētanga rānei i te wā e rokirokia ana. Ko te hē, ko te whakaaro he tohu te āhua e whakaaetia ana kua tutuki katoa ngā whakaritenga kounga kē atu.
He aha i rerekē ai te āhua o ngā tauira kahurangi e rua
Kei te nui o te māramatanga e haere ana mā te wai, me te nui e ngongohia ana e te wai, te kaha o te tae. Ko te kukū tētahi take. Ko te tawhiti e haere ai te māramatanga mā te tauira tētahi atu: ka pōuri ake pea te āhua o taua wairewa anō ina tirohia mā te pokapū o tētahi pounamu whānui, tēnā i te tirohanga mā tōna tapa angiangi.
E whakaahua ana te whakamāramatanga a IUPAC mō te ture Beer–Lambert i te hononga i waenga i te ngongo māramatanga, te kukū, me te roa o te ara māramatanga i raro i ngā āhuatanga kua whakaritea. Ka whakahaerehia aua āhuatanga e te taiwhanga. Kāore e pēnā te whakataurite whakaahua o ngā pounamu rerekē. Ka puta ētahi atu rerekētanga i te whakamāramatanga, te karaehe whai tae, te papamuri, me ngā tautuhinga kāmera.
He nui ake hoki ngā pāhekoheko matū i tā tētahi tauine māmā mai i te pōuri ki te mārama e tohu ai. Ka taea e ngā rāpoi kahurangi metilīni te hono hei kāhui, ā, he rerekē ngā tūāwhiorangi ngongo māramatanga o aua kāhui. I tētahi rangahau whakamātau tātari tūāwhiorangi i te tau 2020, i ine a Fernández-Pérez rāua ko Marbán i ngā wairewa wai i ngā kukū, ngā taumata tote, me ngā pāmahana rerekē, kātahi ka whakatauira i ngā wāhi o ngā momo kāhui rerekē ki ngā inenga. E whakaatu ana tā rāua mahi he aha me whai whakaaro ai te inenga māramatanga ki ngā āhuatanga o te tauira. Kāore taua mahi e whakarato i tētahi tūtohi tae hei whakatau i te kounga o ngā pounamu e hokona ana.
Nō reira, kāore te rerekētanga o te hōhonu o te tae anake e whakaatu mēnā ko te kukū, te hanga o te ipu, te taiao matū, tētahi raruraru rānei o te hua te take.
He aha ka taea, he aha hoki kāore e taea, te whakaatu e te waimehatanga
Mā te waimeha, ka ngāwari ake te kite mā roto i tētahi wairewa kaha te tae, nā te mea he iti ake te matū ngongo māramatanga i ia waeine rōrahi. E hāngai ana taua kitenga ki te kahurangi metilīni. Ehara i te āhuatanga motuhake ki te kahurangi metilīni, ā, kāore e tautuhi i ngā mea katoa kei roto anō.
Whakaarohia tētahi wairewa kei roto ko te waikano e hiahiatia ana me tētahi poke kua memeha ki roto. Mā te waimeha ka heke te kukū o ēnei mea e rua. Ka noho kore kitea tonu pea tētahi poke kore tae, ā, kāore te ōwehenga o te poke ki te waikano e rerekē mā te waimeha anake. Nō reira, ehara te tae ātaahua ake i te taunakitanga kua purea te matū taketake.
He rahinga rerekē te kukū me te parakore. E whakaahua ana te kukū i te nui o te kahurangi metilīni kei roto i tētahi rōrahi wairewa. E whakaahua ana tētahi hua whakamātautau parakore, ihirangi rānei, i tētahi āhuatanga kua whakaritea o te matū kua whakamātauria, me tētahi pūtake tātai kua tautuhia. Hei tauira, e kī ana te arokite monokarāwhi USP mō te kahurangi metilīni o te tau 2023 kua tukuna mai, ka tautuhia tana whakamātautau ihirangi i runga i te pūtake kua whakamaroketia. Ehara tērā i te whakaritenga mō te hōhonu o te tae ka kitea, i te ōrau rānei kua tāngia ki te tapanga o tētahi wairewa wai.
Mā te ngaro me te hoki mai o te tae kahurangi e whakaū te tūturutanga?
Ka taea te kahurangi metilīni te whakaheke hei kahurangi reukometilīni, he momo he tino rerekē tōna ngongo māramatanga, ā, ka āhua kore tae pea. Mā te whakahāora anō ka hoki mai te momo kahurangi. I tirotirohia e ngā whakamātau matū koiora a Buchholz me ōna hoa tēnei whakahekenga me te whakahāoratanga anō mā ngā whākōkī kua purea me ngā āhuatanga tauhohenga kua tautuhia. E whakaū ana ngā whakamātau i te whanonga hāoratanga–whakahekenga, ehara i te tikanga whakamana hua mō te kiritaki.
Nō reira, ka hāngai pea tētahi rerekētanga tae ka taea te whakahoki ki ngā āhuatanga matū o te kahurangi metilīni. Kāore e ine i te nui o te waikano, e whakaū i te korenga o ngā waikano e pā tata ana, e ine rānei i te nui o ngā konganuku. Ka noho tonu pea te poke e māharahara ana koe puta noa i taua rerekētanga.
Waihoki, ehara ia memehatanga o te tae i te tohu o tēnei tauhohenga ka taea te whakahoki. Kāore tētahi kitenga, ki te kore ngā āhuatanga e whakahaerehia me ngā inenga tātari, e whakaū i tōna pūtake. Ki te rerekē ohorere tētahi pounamu, me tirotiro kia hāngai ki te whakaritenga a te kaiwhakarato me ngā tohutohu rokiroki. Mā te tāpiri matū ā-whare kia hoki mai ai te tae ka rerekē te tauira, engari kāore e tau te pātai mō te kounga.
He rerekē ngā pātai ka whakautua e te tirohanga āhua me ngā inenga taiwhanga
E whakaatu ana te whakaahua uhi i tētahi whakataurite āhua i te taha o te inenga taiwhanga me te pūrongo. E tohu ana te pūrongo i ētahi whakamātautau motuhake; kāore te pūrere ine ngongo māramatanga e whakaahuatia ana e whakahaere i aua whakamātautau katoa. Mā te whakataurite e whai ake nei ka hurihia taua wehewehenga hei pātai ka taea e koe te ui mō tētahi hua.
| Pātai | He aha ka taea e te āhua te whakaatu | He taunakitanga hei whakautu i te pātai |
|---|---|---|
| E hāngai ana tēnei ki te whakaahuatanga ā-tinana e tūmanakohia ana? | Te tae, te pūataata, ngā korakora rānei ka kitea i raro i ngā āhuatanga tirotiro | He whakaritenga āhua kua tuhia me te whakatewhatewha i ngā rerekētanga ohorere |
| He kahurangi metilīni tēnei matū? | E hāngai ana te āhua kahurangi, engari kāore e ranea | He tikanga tautuhi motuhake ka whakatauritea ki tētahi rauemi tohutoro e tika ana |
| E hia te kahurangi metilīni kei roto? | Ka rerekē pea te pōuritanga i runga i te kukū me te roa o te ara māramatanga | He whakamātautau ine ihirangi, me ngā waeine, te pūtake tātai, me tētahi tikanga e tika ana mō te hanganga o te hua |
| Kei te whakahaerehia ngā matū waro e pā tata ana? | Ka pā ētahi ki te tae; ka hunahia ētahi atu, ka iti rawa rānei te kukū kia kitea | He tikanga whiriwhiri mō ngā poke, ko te tātari wehe mā te rere i te nuinga o te wā, me ngā paenga me ngā hua kua whakaingoatia |
| Kei te whakahaerehia ngā poke huānga kua tohua? | Kāore he whakatau ā-karu pono mō te tutuki, te kore tutuki rānei | He tātari motuhake mō ia huānga, pēnei i te ICP-MS, te ICP-OES rānei kua manatoko, me ngā paenga pūrongo |
E whai ana tēnei wehewehenga i te aronga o ngā whakaritenga ICH Q6A, e wehe ana i te whakaahuatanga, te tautuhinga, te whakamātautau ihirangi, me ngā poke hei āhuatanga kounga motuhake. E whakamārama ana ēnei mātāpono i ngā pātai; ehara i te kī kua whakahaerehia ngā whakamātautau katoa kua whakarārangitia ki konei mō ia hua.
E whakaahua ana ngā tikanga a USP mō ngā poke huānga i te whakaputanga māramatanga ICP me te tātari tūāwhiorangi papatipu hei huarahi tātari. Ka ine ēnei i ngā huānga mā ngā tohu pūrere, ehara mā te kahurangi o te waikano ka kitea e te karu.
Ka ranea rānei te pūrere ine ngongo māramatanga?
Ka ine te pūrere ine ngongo māramatanga i te kaha o te ngongo a tētahi tauira i ngā roangaru kua tīpakohia. He nui ake ngā kōrero ka puta i tēnei i te whakataurite ā-karu. Mā tētahi tikanga e tika ana, ka taea te tautoko i te aromatawai tuakiri, i te inenga kukū rānei. Heoi, ka whakautu noa te pānuitanga o tētahi pūrere i te pātai i hangaia, i manatoko hoki te tikanga hei whakautu.
Ki te whai wāhi tētahi atu matū ki te tohu e inehia ana, ka whakararu pea i te inenga. E tono ana ngā aratohu manatoko tātari ICH Q2(R2) kia whai taunakitanga mō te motuhaketanga, te kaha whiriwhiri rānei, ā, e whakaae ana ka hiahiatia pea tētahi tikanga tāpiri ina kore e taea e te tikanga kotahi te wehe tika i ngā wāhanga e hāngai ana. Nō reira, ehara tētahi āhuatanga ngongo māramatanga e ōrite ana i te tiwhikete parakore mō ngā mea katoa. Kāore hoki tētahi tūāwhiorangi waikano noa e whakaū i te korenga o ngā moroiti, e whakakore rānei i te tūpono kei reira tētahi o ngā matū whakapoke katoa ka taea.
He aha kē hei tirotiro i te kāinga
Whakamahia te tirotiro ā-kāinga hei tautuhi i ngā rerekētanga me ngā āputa o ngā tuhinga:
- Whakatauritea te pounamu ki ōna pūkete. Tirohia te tuakiri hua, te kukū, te tau puranga, me ngā āhuatanga rokiroki kua tohua. He taunakitanga ngoikore te whakaahua o tētahi atu puranga.
- Tuhia ngā āhua ohorere. Whakaahuatia ngā korakora, te kohu o te wai, tētahi rerekētanga rānei i raro i te whakamāramatanga ōrite, ā, whakapā atu ki te kaiwhakarato. Kaua e whakamātau i te reka o te hua, e whakarerekē rānei mā ngā matū hei aromatawai i te kounga.
- Pānuihia ngā hua whakamātautau tūturu. Rapua ngā tikanga, ngā waeine, ngā paenga whakaaetanga, me tētahi tiwhikete e herea ana ki te puranga e hāngai ana. E whakamārama ana tā mātou aratohu mō te pānui i tētahi tiwhikete tātari kahurangi metilīni me pēhea te whakamārama i aua āpure.
- Tirohia he aha i whakamātauria. He tauira rerekē tā te hua whakamātautau rauemi mata me tā te hua whakamātautau wairewa kua oti te hanga e whakaahua ai. Me whai paenga pūrongo me te ingoa o te matū i whakamātauria tētahi kerēme “kāore i kitea”.
He kitenga te tae kahurangi. Ka hono tētahi whakatau kounga e taea ana te tautoko i tētahi tauira motuhake ki ngā inenga e tika ana, ō rātou paenga, me tētahi whakaritenga kua tuhia.