Ọgwụ nje bụ ogige kemịkalụ eji egbu ụmụ ahụhụ, gụnyere ụmụ ahụhụ, òké, fungi na osisi ndị na-emerụ ahụ (ahịhịa).Na mgbakwunye, a na-ejikwa ha na ahụike ọha na eze na-egbu ihe ndị na-akpata ọrịa dị ka anwụnta.N'ihi na ha nwere ike ịkpata nsí n'ahụ ihe ndị ọzọ dị ndụ, gụnyere mmadụ, a ghaghị iji ọgwụ pesticide mee ihe n'enweghị nsogbu ma dozie ya nke ọma1.
N'ebe ọrụ, ikpughe na ọgwụ na-egbu egbu n'ụlọ ma ọ bụ n'ubi nwere ike ime ka ọ bụrụ ihe na-egbu egbu, dịka ọmụmaatụ site na nri emetọru.Ndị WHO na-enyocha ihe akaebe ahụ wee wepụta oke ihe fọdụrụ n'ụwa niile akwadoro iji chebe ndị mmadụ pụọ n'ihe egwu ahụike nwere ike ibute site na ọgwụ nje.2
A na-ejikarị chromatography mmiri na-arụ ọrụ dị elu (HPLC) agbaghachi azụ iji tụọ mkpokọta ihe ndị na-arụ ọrụ na ọgwụ pesticides.Otú ọ dị, ụdị chromatography a chọrọ iji ihe mgbaze na-egbu egbu, ma na-ewe oge na ndị ọrụ a zụrụ nke ọma, na-akpata ụgwọ dị elu maka nyocha oge.Iji anya dị nso infrared spectroscopy (Vis-NIRS) kama HPLC nwere ike ịchekwa oge na ego.
Iji nwalee ịdị irè nke iji Vis-NIRS kama HPLC, akwadoro 24-37 pesticide samples nwere ihe ndị a ma ama na-arụ ọrụ nke ọma: abamectin EC, amimectin EC, cyfluthrin EC, cypermethrin, na glyphosate.Nyochaa njikọ dị n'etiti mgbanwe.Data Spectral na ụkpụrụ ntụaka.
A na-eji NIRS RapidLiquid analyzer nweta ụdịdị dị iche iche nke ogologo ogologo ogologo ya (400-2500 nm).A na-etinye ihe nlele ahụ n'ime karama iko enwere ike iji ya na dayameta nke 4 mm.A na-eji sọftụwia Vision Air 2.0 zuru ezu maka nchịkọta na njikwa data yana mmepe usoro ọnụọgụ.A na-eme nkwụghachi azụ n'akụkụ obere akụkụ (PLS) na nlele ọ bụla enyochara, na ntinye nkwenye nke ime (hapụ otu) ka etinyere iji kwado arụmọrụ nke ụdị ọnụọgụ nke ewepụtara n'oge mmepe usoro.
Ọgụgụ 1. A na-eji NIRS XDS RapidLiquid analyzer maka inweta data spectral n'ofe 400 nm ruo 2500 nm dum.
Iji mee ka ọnụ ọgụgụ nke ọ bụla dị n'ime pesticide, a na-emepụta ihe nlereanya na-eji ihe abụọ eme ihe, na-enwe njehie ọkọlọtọ calibration (SEC) nke 0.05% na njehie ọkọlọtọ cross-validation (SECV) nke 0.06%.Maka onyinye ọ bụla dị irè, ụkpụrụ R2 dị n'etiti uru ntụaka enyere na uru a gbakọrọ bụ 0.9946, 0.9911, 0.9912, 0.0052, na 0.9952, n'otu n'otu.
Ọnụọgụ 2. Ihe ngosi data raw nke ihe nlele pesticide iri na asatọ nwere mkpokọta abamectin n'etiti 1.8% na 3.8%.
Ọgụgụ 3. Eserese njikọ n'etiti ọdịnaya abamectin buru amụma na Vis-NIRS na uru ntụaka nke HPLC tụlere.
Onyonyo 4. The raw data ụdịdị nke 35 pesticide samples, nke ịta nso nke amomycin bụ 1.5-3.5%.
Ọgụgụ 5. Eserese njikọ n'etiti ọdịnaya amimectin buru amụma na Vis-NIRS na uru ntụaka nke HPLC tụlere.
Ọnụọgụ 6. Ihe ngosi data raw nke ihe nlele pesticide 24 nwere mkpokọta cyfluthrin nke 2.3-4.2%.
Ọgụgụ 7. Eserese njikọ dị n'etiti ọdịnaya cyfluthrin nke Vis-NIRS buru amụma na uru ntụaka nke HPLC tụlere.
Ọnụọgụ 8. Ụdị data raw nke ihe atụ nke pesticide 27 na ntinye cypermethrin nke 4.0-5.8%.
Ọgụgụ 9. Eserese njikọ n'etiti ọdịnaya cypermethrin nke Vis-NIRS buru amụma na uru ntụaka nke HPLC tụlere.
Ọnụọgụ 10. Ihe ngosi data raw nke 33 pesticide sample na glyphosate ntinye nke 21.0-40.5%.
Ọgụgụ 11. Eserese njikọ n'etiti ọdịnaya glyphosate buru amụma site na Vis-NIRS yana uru ntụaka nke HPLC tụlere.
Ụkpụrụ njikọ dị elu ndị a n'etiti uru ntụaka na uru a gbakọrọ site na iji Vis-NIRS na-egosi na ọ bụ usoro a pụrụ ịdabere na ya nke ukwuu na ngwa ngwa maka njikwa mma pesticide ma e jiri ya tụnyere nke omenala HPLC.Ya mere, enwere ike iji Vis-NIRS mee ihe dị ka ihe ọzọ na chromatography mmiri na-arụ ọrụ dị elu maka nyocha pesticide oge niile ma nwee ike ịchekwa oge na ego.
Metrohm (2020, Mee 16).Nyocha ọnụọgụ nke ihe ise dị irè dị na pesticides site na ìhè a na-ahụ anya na nso spectroscopy infrared.AzoM.Ewepụtara na https://www.azom.com/article.aspx?ArticleID=17683 na Disemba 16, 2020.
Metrohm “kọpụtara ihe ise na-arụ ọrụ n'ime ọgwụ pesticides site na anya na nso spectroscopy infrared."AzoM.Disemba 16, 2020. .
Metrohm “kọpụtara ihe ise na-arụ ọrụ n'ime ọgwụ pesticides site na anya na nso spectroscopy infrared."AzoM.https://www.azom.com/article.aspx?ArticleID=17683.(Nweta na Disemba 16, 2020).
Ụlọ ọrụ Metrohm n'afọ 2020. A na-eme nyocha ọnụ ọgụgụ nke ihe ise dị irè na pesticides site na anya na nso infrared spectroscopy.AZoM, elere na Disemba 16, 2020, https://www.azom.com/article.aspx?Ihe odide ID = 17683.
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