Tuhinga
Ngā poke o te puru metilīni: he aha ka inea e ngā whakamātautau konganuku taumaha, Azure B, me ngā matū whakarewa
Ka taea e tētahi huinga whakamātautau konganuku taumaha te whakaū i tētahi mea whai take mō tētahi tauira puru metilīni: ko ngā kukūtanga, ko ngā paepae rānei kua pūrongotia mō ngā pūmotu i whakamātauria. Kāore e taea e taua huinga te whakaū i te nui o te Azure B kei roto, i te noho tonu o ngā toenga matū whakarewa, i te ōrite rānei o te kukūtanga o tētahi pounamu kua whakaritea ki tōna kukūtanga kua kīia. Me whai inenga rerekē hei whakautu i aua pātai.
Ko te mahi whai take he whakahāngai i ia kerēme kounga ki tētahi whakamātautau ka taea te tautoko i taua kerēme. Me tīmata ki te matū kua whakaingoatia, ki te tauira, me te tikanga. He kitenga noa te āhua puru, ehara i te whakakapi mō tēnei raupapa taunakitanga.
E toru ngā whāinga rerekē ā-matū
Kei roto i ngā poke pūmotu te mata, te kātemiuma, te āseniki, me te mēkuri. He upoko pūrongo noa te “Konganuku taumaha”, ahakoa he konganuku āhua-rua te āseniki. He nui ake ngā kōrero ka puta i te tātari mō ia pūmotu i ērā ka puta i te upoko: e whā ngā whāinga kua whakaingoatia i roto i tētahi huinga whakamātautau pūmotu e whā, ehara i te mea ko ngā whakapoke katoa ka taea te tūpono.
Ko te ICP-MS te ine papatipu mā te wēhiko hono ā-arataki. Ka uru te tauira kua whakaritea ki tētahi wēhiko wera, ā, ka ine te pūrere i ngā katote e ai ki ō rātou ōwehenga papatipu-ki-te-utu-hiko. Ka whakamārama hoki te whakaahuatanga a EPA mō te ICP-MS i te hiranga o te whakarite tauira me ngā whakahaere mō ngā whakararuraru inenga. Kāore te ingoa o te tikanga anake e whakaū kua tika te whakarite me te ine i tētahi tauira puru metilīni. E whakahuatia ana te tukanga taiao a EPA i konei hei whakamārama i te tikanga, kaua hei tikanga rongoā e herea ana kia whakamahia.
Ko ngā waikano whai pānga he rāpoi waro e whai pānga ā-matū ana ki te puru metilīni. Ko Azure B tētahi o ēnei pūhui. Kāore te ine i ngā ngota mata e whakatau i te nui o tēnei waikano. Me wehewehe tētahi tikanga wehe ā-matū i ngā pūhui e hāngai ana, me te tautuhi me te ine rahinga e tika ana. Hei tauira, i ine motuhake te rangahau LC-MS/MS a Kim me ōna hoa i te puru metilīni me te Azure B i roto i te wē toto kiore. E whakaatu ana taua rangahau i te wehenga tātari i roto i tōna horopaki tauira kua whakamanaia; kāore e whakamana i te tātari ihirangi paura a tētahi kaiwhakarato.
Ka taea hoki te Azure B te noho hei hua pākia. Kāore tōna tūranga koiora e whakakore i te hiahia ki te whakahaere i tōna nui i roto i te matū tīmatanga. E whakamārama ana te aratohu motuhake mō Azure B hei poke, hei hua pākia hoki i aua horopaki.
He kāwai poke waro anō ngā toenga matū whakarewa. E whakaahua ana te upoko a USP mō ngā toenga matū whakarewa i ngā matū tere whakaeto e whakamahia ana, e whakaputaina ana rānei i te wā hanga, ā, ka noho pea ki roto i tētahi rawa. He huarahi noa te wehe ā-hau, ā, he maha ngā wā ka whakamahia te tango tauira mai i te wāhi hau i runga ake i te tauira. I roto i te rerenga mahi GC wāhi hau a MilliporeSigma, ka whakaurua te kohu i runga ake i te tauira hei wehewehe. He pātai rerekē tā tēnei e whakautu ana i tā tētahi kauwhata wehenga waikano whai pānga.
E whakaatu ana te whakaahua uhi i ēnei kāwai whakamātautau. Ka tautuhi ngā tohu waikano whai tapanga i ngā whāinga matū, engari kāore e whakaatu i ō rātou rahinga, i te raupapa pupuri o te wehenga ā-matū rānei.
He whakataurite whai whakamārama mai i ngā pūrongo tūturu e rua
I ahu mai ngā tauira i raro nei i te pūrongo CB2608150021 a Conquistador Bioscience, mō te puranga kai whakauru B260815002, me te tiwhikete a Macsen Laboratories mō te puranga MB-0125, e hautūhia ana e Mediakos. I tirohia ngā mea e rua i te 12 o Mahuru, 2026. Ka hoko a Blupreme i te puru metilīni, ā, ka whakaatu i te pūrongo tuatahi. He whakamārama ēnei ki ngā tuhinga, ehara i te whakamātautau anō motuhake, i te whakaraupapa kaiwhakarato rānei.
| Whāinga whakamātautau | Tāurunga tūturu o te pūrongo | Kōrero tikanga me te whakamāramatanga |
|---|---|---|
| Mata, Conquistador | Hua <0.05 ppm; tepe 0.5 ppm | Kua whakaingoatia te ICP-MS. He paepae i raro i te tepe, ehara i te kore mata. |
| Ētahi atu pūmotu kua whakaingoatia, Conquistador | Cd <0.02; As <0.15; Hg <0.03 ppm | Kua whakaingoatia te ICP-MS. E pā ana ngā hua ki ēnei pūmotu, kaua ki Azure B. |
| Azure B, Conquistador | 0.15%; mōrahi 2.5% | Kua whakarārangitia ki raro i ngā matū whai pānga; kua whakahuatia te HPLC i te tautuhinga. Kāore he tukanga poke katoa kua tāngia. |
| Ētahi atu poke whai pānga, Conquistador | Ia poke kāore i āta tohua <0.05%; tapeke o ērā atu <0.05% | He rerekē ngā ture mō ia poke me ngā poke kua whakakotahitia. Kāore te “tapeke o ērā atu” e whakauru i te Azure B kua pūrongotia motuhaketia. |
| Metanō, Conquistador | <62.1 ppm; mōrahi 3,000 ppm | He hua mō te matū whakarewa; kāore he tikanga matū whakarewa kua tāngia. Kaua e whakapae i whakamahia te GC nā te ingoa noa o te matū i tātarihia. |
| Azure B, Macsen | E ū ana; whakaritenga <2.5% | Kāore he hua ā-tau, he tikanga tātari rānei kua kīia i tēnei rārangi. He iti ake ngā kōrero ka puta i te whakatau ūnga i ērā ka puta i tētahi uara kua inea. |
| Hg, Cd, As, Pb, Macsen | Ka puta ia mea; mōrahi o ia mea 0.00005% | Tepe ōrite: 0.5 ppm. Kāore he tikanga tātari pūmotu kua tāngia. Ehara te tepe i te kukūtanga kua inea. |
| Ētahi atu konganuku, Macsen | Ka puta; mōrahi 0.005% te tapeke | Kāore te tāurunga e whakaingoa i ōna pūmotu whakauru, i te tukanga rānei. Pātaihia he aha kei roto i te tapeke. |
He mea āta wehewehe e te tīwae tikanga tētahi tikanga kua whakaingoatia i tētahi tukanga kāore i whakaaturia. Mā te whakakī i aua āputa ki te tikanga e whakamahia nuitia ana, ka āhua oti ake te ripanga, engari ka iti ake tōna tika.
He aha ngā kōrero kāore e kitea i ngā hua tātari ihirangi me te whakamaroke
Ka ine te tātari ihirangi i te nui o te matū ki tētahi tohutoro kua tautuhia me tētahi tūāpapa tātaitanga. Ka tautuhi te arotirohanga tūmatanui o te monokarāwhi puru metilīni a USP i te 97.0% ki te 103.0% i runga i te tūāpapa kua whakamaroketia. Kāore e whakaatu i te monokarāwhi katoa, nō reira kāore tēnei arotirohanga e āhei ki te manatoko motuhake i ia whakaritenga o te pukapuka paerewa e kīia ana kua tutuki.
Ehara tētahi hua tata ki te 100% i te rārangi ihirangi e whakaū ana kāore rawa he poke. Kaua hoki e tango i ia poke kua pūrongotia i te 100 me te tūmanako ka ōrite te whakautu ki tētahi tātari ihirangi motuhake. Nā ngā urupare tātari rerekē, ngā tūāpapa tātaitanga rerekē, me te rangirua o te inenga, kāore pea taua tātaitanga e whai tikanga. E whakamārama hōhonu ake ana te aratohu mō ngā tūāpapa tātaitanga o te tātari ihirangi puru metilīni i tēnei rerekētanga.
Ka kitea hoki te puru metilīni i ngā āhua e herea ana ki te wai. Ka ine te ngaronga i te whakamaroke i te papatipu ka tangohia i raro i ngā tikanga whakamaroke kua whakaritea; ehara i te inenga whāiti mō tētahi konganuku kotahi, mō tētahi waikano kotahi rānei. Ka ine te toenga i te tahu i ngā mea e toe ana i muri i te tukanga tahu kua whakaritea. Kāore tētahi o ēnei tau e tautuhi i ngā matū whakauru katoa i puta ai taua hua. Ka tāpiri ēnei whakamātautau i ngā kōrero ki te taha o ngā inenga poke motuhake.
Pānuitia ngātahitia ngā paepae, ngā waeine, me te whānuitanga
Mō ngā hautanga papatipu, he ōrite te 1 ppm ki te 1 maikirokaramu mō ia karamu, ā, he ōrite te 1% ki te 10,000 ppm. Koinei te whakamārama mō te whakawhitinga Macsen i te ripanga. Kaua e whakakapi huna i ngā waeine papatipu-ki-te-papatipu ki ngā waeine papatipu-ki-te-rōrahi ina whakatauritea he paura ki tētahi wairewa.
Ka whakaatu tētahi hua kua tuhia hei “<0.05 ppm” i tētahi paepae. Kia mārama ai ki te tairongo tātari, pātaihia mēnā he tepe kite, he tepe ine rahinga, he tepe pūrongo rānei taua paepae. Kāore tētahi hua whakapae “<5 ppm” e whakaatu i te ū ki tētahi mōrahi 0.5 ppm: ka ū ngā kukūtanga kei waenganui i aua tau ki te paepae kua pūrongotia, engari ka hipa i te whakaritenga.
Me whai horopaki hoki te kōwhiri pūmotu. Ka whakamahi te anga poke pūmotu a ICH Q3D i te aromatawai mōrearea hei whakawhanake i ngā whakahaere mō ngā hua rongoā. Kaua tētahi hua whakamātautau pūmotu e whā e pai ana te āhua e whakakapi i te aromatawai i ngā pūtake hanga e hāngai ana me te hua e whakaarotia ana. Ka whai tikanga tētahi tepe kukūtanga i roto i taua whakaritenga, ehara hei whakapuakitanga haumaru whānui mō ia whakamahinga.
Tonoa ngā taunakitanga e ngaro ana
I mua i te tono whakamātautau tāpiri, tautuhia te pātai kāore anō kia whakautua:
- Ko tēhea rawa i whakamātauria? Tūhonohia te pūrongo ki te puranga. Ka tūhono ngā pūkete puranga a Blupreme i ngā puranga pounamu ki ngā tuhinga kai whakauru; ka whakamārama te whakataurite i te whakamātautau kai whakauru me te whakamātautau hua kua oti i te take e rerekē ai ēnei whānuitanga.
- Ko tēhea whāinga e ngaro ana? Tonoa ngā pūmotu kua whakaingoatia, ngā waikano whai pānga kua āta tohua, ngā matū whakarewa e hāngai ana rānei. He whānui rawa te “Whakamātauria te parakore” hei tautuhi i te mahi a te taiwhanga.
- I pēhea te ine? Tonoa te tukanga, te paearu whakaae, te hua, ngā waeine, me te paepae pūrongo. Whakamahia te aratohu pānui tiwhikete tātari hei whakarite i te arowhai tuhinga.
- He aha kei waho tonu i te pūrongo? Me whai taunakitanga motuhake te kukūtanga, te kounga koiora moroiti, me te pai mō tētahi ara whakamahi motuhake. Kāore ngā hua whakamātautau matū e whakaū i te korenga o ngā rauropi moroiti ora.
Ka taea te noho ngātahi o tētahi wairewa puru mārama me tētahi huinga whakamātautau konganuku kua puta, ahakoa kāore anō kia whakautua tētahi pātai mō ngā waikano whai pānga. Ka āta whakaatu tētahi pūkete kounga whai take i ia whakautu me ōna rohe.