I-Topramezone: Isixazululo Esibalulekile Samakhemikhali Ezolimo Nezimboni
Izinkambu Ezinkulu Zokufaka Isicelo
Embonini yezolimo, i-topramezone iyitshe elibalulekile lokuphathwa kokhula kwanamuhla. Isebenza njengesivimbeli esinamandla se-enzyme engu-4 - hydroxyphenylpyruvate dioxygenase (HPPD) ezitshalweni. Ngokuvimba le enzyme ebalulekile, iphazamisa indlela yokwenza i-carotenoid otshanini, okuholela ekukhanyeni kwamaqabunga awo, ekubambezelekeni kokukhula, futhi ekugcineni, ekufeni. Le ndlela iyenza isebenze kahle kakhulu ngokumelene nokhula oluhlukahlukene olunotshani nolwamaqabunga abanzi, kufaka phakathi izinhlobo eziningi ezimelana nokhula. Ezitshalweni ezilandelanayo njengommbila, i-topramezone inikeza ukukhetha okuhle kakhulu, okuvumela ukuthi ihlose ukhula ngenkathi inciphisa umonakalo esivunweni. Ingasetshenziswa ngaphambi kokuvela, idale isithiyo sokuvimbela enhlabathini ukuvimba ukuhluma kokhula, noma ngemuva kokuvela, ilwe ngqo nokhula olukhula ngenkuthalo futhi inciphise ukuncintisana kwezinsiza, ngaleyo ndlela ithuthukise kakhulu isivuno sezitshalo kanye nekhwalithi.
Embonini yokwenziwa kwamakhemikhali, i-topramezone isebenza njengomthombo obalulekile. Isakhiwo sayo samakhemikhali esiyingqayizivele siyenza ikwazi ukuhlanganyela ekusabeleni okuhlukahlukene ukukhiqiza amanye amakhemikhali ayigugu. Isibonelo, ama-derivatives e-topramezone angahlanganiswa abe ama-molecule ayinkimbinkimbi kakhulu anezakhiwo ezithuthukisiwe zokubulala ukhula noma eminye imisebenzi ekhethekile. Lawa amakhemikhali ahlanganisiwe angathola ukusetshenziswa hhayi kuphela emkhakheni wamakhemikhali wezolimo kodwa futhi nasemikhakheni ehlobene njengocwaningo kanye nokuthuthukiswa kwemikhiqizo yokuvikela izitshalo yesizukulwane esisha.
I-Topramezone nayo inezindlela ezingaba khona zokusebenzisa ekuthuthukisweni kwezixazululo zokulawula ukhula lwezimboni. Ezindaweni ezingezona ezokulima njengezindawo zezimboni, imigwaqo, kanye nezindawo zokuvimbela izitimela, inikeza indlela ephumelelayo yokulawula izitshalo ezingafuneki. Ngokucindezela ukukhula kokhula kulezi zindawo, kusiza ukugcina ubuqotho bengqalasizinda, kunciphisa izingozi zokuphepha ezihlobene nezitshalo ezikhule ngokweqile, futhi kunciphisa isidingo sokususwa kokhula njalo ngesandla noma ngomshini, konga isikhathi kanye nezindleko zabasebenzi.
Kodwa-ke, yize i-topramezone inezinzuzo eziningi, idinga ukuphathwa ngokucophelela. Kufanele igcinwe endaweni epholile, eyomile kude nokukhanya kwelanga okuqondile nezinto ezingahambisani. Lapho besebenzisa i-topramezone, abasebenzisi kumele balandele izinqubo zokuphepha eziqinile, okuhlanganisa ukugqoka izingubo zokuzivikela ezifanele, amagilavu, nezibuko, njengoba kungabangela ukucasuka kwesikhumba namehlo. Ngaphezu kwalokho, izindlela ezifanele zokulahla noma yimuphi umkhiqizo ongasetshenziswanga noma izinto zokupakisha kumele zilandelwe, ukuvimbela ukungcoliswa kwemvelo.
Imininingwane
| Igama Lomkhiqizo | I-Topramezone | |||||||||
| Ifomula Yamakhemikhali | C14H13ClN4O3 | |||||||||
| Isisindo sama-molecule | 320.73 g/mol | |||||||||
| Ukubukeka | Okuqinile okukristalu okungenambala | |||||||||
| Indawo Yokuncibilika | 134.1℃ | |||||||||
| Indawo Yokubilisa | 420.2℃ | |||||||||
| Ubuningi | 1.35 | |||||||||
| INOMBOLO YE-CAS | 210631 - 68 - 8 | |||||||||
| Ikhodi ye-HS | 29339900.9 | |||||||||
| Isicelo | Isibulali-zinambuzane sokulawula ukhula olunamaqabunga abanzi notshani emasimini ommbila | |||||||||
Ishidi Lokulawula Ikhwalithi
| Igama Lomkhiqizo | |||||||
| ITEM | INANI LOKUHLOLA (%) | ||||||
| Ukubukeka | Okuqinile okukristalu okungenambala | ||||||
| Okuqukethwe | ≥98% | ||||||
| Umswakama | ≤0.5% | ||||||
| I-PH | 3-7 | ||||||
Ngokufigqiwe
Ekuphetheni, i-topramezone isibe yikhemikhali ebalulekile kwezolimo zanamuhla kanye nezimboni ezihlobene nayo. Amandla ayo okulawula ukhula ngempumelelo, isebenza njengesikhungo esibalulekile ekuhlanganisweni kwamakhemikhali, futhi inikeze izixazululo zokuphathwa kokhula lwezimboni kugcizelela ukubaluleka kwayo. Njengoba ubuchwepheshe buqhubeka nokukhula, ukusetshenziswa okungenzeka kanye nomthelela we-topramezone kulindeleke ukuthi kwande kakhulu, kuqinise isikhundla sayo njengesixazululo samakhemikhali esibalulekile.