Likokoana-hloko ke metsoako ea lik'hemik'hale e sebelisetsoang ho bolaea likokoanyana, ho akarelletsa le likokoanyana, litoeba, li-fungus le limela tse kotsi (mofoka).Ho feta moo, li boetse li sebelisoa bophelong ba sechaba ho bolaea likokoana-hloko tsa mafu a kang menoang.Hobane li ka baka chefo ho lintho tse ling, ho kenyeletsoa batho, chefo e bolaeang likokoanyana e tlameha ho sebelisoa ka mokhoa o sireletsehileng le ho sebetsoa ka nepo1.
Mosebetsing, ho pepesehela chefo e bolaeang likokoanyana lapeng kapa serapeng ho ka fella ka ho pepesehela chefo e bolaeang likokoanyana, mohlala ka lijo tse silafetseng.WHO e hlahloba bopaki 'me e beha meeli e amohelehang ea machaba ea masala ho sireletsa batho likotsing tsa bophelo bo botle tse bakoang ke chefo e bolaeang likokoanyana.2
Reversed-phase high performance liquid chromatography (HPLC) hangata e sebelisoa ho hakanyetsa bongata ba metsoako e sebetsang ho chefo e bolaeang likokoanyana.Leha ho le joalo, mofuta ona oa chromatography o hloka tšebeliso ea li-solvents tse chefo, 'me o nka nako le basebetsi ba koetlisitsoeng hantle, e leng se bakang litšenyehelo tse phahameng bakeng sa tlhahlobo e tloaelehileng.Ho sebelisa se bonahalang haufi le infrared spectroscopy (Vis-NIRS) sebakeng sa HPLC ho ka boloka nako le chelete.
Ho leka katleho ea ho sebelisa Vis-NIRS sebakeng sa HPLC, ho lokiselitsoe lisampole tse 24-37 tsa chefo e bolaeang likokoanyana tse nang le metsoako e tsebahalang e sebetsang: abamectin EC, amimectin EC, cyfluthrin EC, cypermethrin, le glyphosate.Lekola kamano pakeng tsa liphetoho.Lintlha tsa Spectral le boleng ba litšupiso.
NIRS RapidLiquid analyzer e sebelisoa ho fumana sekhahla sa maqhubu a eona kaofela (400-2500 nm).Mohlala o kenngoa ka botlolong ea khalase e lahliloeng ka bophara ba 4 mm.Vision Air 2.0 Complete software e sebelisoa bakeng sa ho bokella le ho laola lintlha hammoho le nts'etsopele ea mekhoa ea bongata.Karolo e fokolang ea li-square (PLS) regression e ile ea etsoa ho sampuli e 'ngoe le e' ngoe e hlahlobiloeng, 'me ho ile ha sebelisoa ho netefatsa sefapano ka hare (tlohela e le' ngoe) ho netefatsa ts'ebetso ea mohlala oa palo e nkiloeng nakong ea nts'etsopele ea mokhoa.
Setšoantšo sa 1. NIRS XDS RapidLiquid analyzer e sebelisetsoa ho fumana lintlha tsa spectral holim'a mefuta eohle ea 400 nm ho 2500 nm.
E le ho lekanya motsoako o mong le o mong oa chefo e bolaeang likokoanyana, ho ile ha thehoa mohlala o sebelisang lintlha tse peli, ka phoso e tloaelehileng ea calibration (SEC) ea 0.05% le phoso ea "cross-validation standard" (SECV) ea 0.06%.Bakeng sa motsoako o mong le o mong o sebetsang, boleng ba R2 lipakeng tsa boleng bo fanoeng le boleng bo baliloeng ke 0.9946, 0.9911, 0.9912, 0.0052, le 0.9952, ka ho latellana.
Setšoantšo sa 2. Lethathamo la lintlha tse tala tsa lisampole tse 18 tsa chefo e bolaeang likokoanyana tse nang le li-abamectin lipakeng tsa 1.8% le 3.8%.
Setšoantšo sa 3. Kerafo ea kamano pakeng tsa litaba tsa abamectin tse boletsoeng esale pele ke Vis-NIRS le boleng ba litšupiso bo hlahlobiloeng ke HPLC.
Setšoantšo sa 4. Lintlha tse tala tsa lisampole tsa chefo e bolaeang likokoanyana tse 35, moo palo ea mahloriso ea amomycin e leng 1.5-3.5%.
Setšoantšo sa 5. Kerafo ea kamano pakeng tsa litaba tsa amimectin tse boletsoeng esale pele ke Vis-NIRS le boleng ba litšupiso bo hlahlobiloeng ke HPLC.
Setšoantšo sa 6. Raw data spectra ea 24 ea chefo e bolaeang likokoanyana e nang le cyfluthrin concentrations ea 2.3-4.2%.
Setšoantšo sa 7. Kerafo ea kamano pakeng tsa litaba tsa cyfluthrin tse boletsoeng esale pele ke Vis-NIRS le boleng ba litšupiso bo hlahlobiloeng ke HPLC.
Setšoantšo sa 8. Thepa e tala ea data spectra ea 27 chefo e bolaeang likokoanyana le mahloriso a cypermethrin a 4.0-5.8%.
Setšoantšo sa 9. Graph ea likamano pakeng tsa litaba tsa cypermethrin tse boletsoeng esale pele ke Vis-NIRS le boleng ba boitsebiso bo hlahlobiloeng ke HPLC.
Setšoantšo sa 10. Lethathamo la lintlha tse tala tsa lisampole tsa chefo e bolaeang likokoanyana tse 33 tse nang le mahloriso a glyphosate a 21.0-40.5%.
Setšoantšo sa 11. Kerafo ea kamano pakeng tsa litaba tsa glyphosate tse boletsoeng esale pele ke Vis-NIRS le boleng ba litšupiso bo hlahlobiloeng ke HPLC.
Lintlha tsena tse holimo tsa khokahano lipakeng tsa boleng ba litšupiso le boleng bo baloang ho sebelisoa Vis-NIRS li bonts'a hore ke mokhoa o ts'epahalang haholo hape o potlakileng haholo oa taolo ea boleng ba chefo e bolaeang likokoanyana ha o bapisoa le mokhoa o neng o sebelisoa oa khale oa HPLC.Ka hona, Vis-NIRS e ka sebelisoa e le mokhoa o mong oa chromatography ea metsi e sebetsang hantle bakeng sa tlhahlobo e tloaelehileng ea chefo e bolaeang likokoanyana 'me e ka boloka nako le chelete.
Metrohm (2020, May 16).Tlhahlobo ea palo ea metsoako e mehlano e sebetsang ka chefo e bolaeang likokoanyana ka khanya e bonahalang haufi le infrared spectroscopy.AZoM.E nkiloe ho https://www.azom.com/article.aspx?ArticleID=17683 ka la 16 Tšitoe 2020.
Metrohm “e ile ea lekanyetsa metsoako e mehlano e sebetsang chefong ea chefo e bolaeang likokoanyana ka pono e bonahalang le e haufi le infrared spectroscopy.”AZoM.La 16 Tšitoe 2020. .
Metrohm “e ile ea lekanyetsa metsoako e mehlano e sebetsang chefong ea chefo e bolaeang likokoanyana ka pono e bonahalang le e haufi le infrared spectroscopy.”AZoM.https://www.azom.com/article.aspx?ArticleID=17683.(E fumaneha ka la 16 Tšitoe 2020).
Metrohm Corporation ka 2020. Tlhahlobo ea palo ea metsoako e mehlano e sebetsang ka chefo e bolaeang likokoanyana e ile ea etsoa ka pono e bonahalang le e haufi le infrared spectroscopy.AZoM, e shebiloe ka la 16 Tšitoe 2020, https://www.azom.com/article.aspx?ArticleID = 17683.
Puisanong ena, Simon Taylor, Mookameli oa Lipapatso oa Mettler-Toledo GmbH, o buile ka mokhoa oa ho ntlafatsa lipatlisiso tsa betri, tlhahiso le taolo ea boleng ka ho fana ka titration.
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ZwickRoell e etsa metjhini e fapaneng ea tlhahlobo ea boima bakeng sa lits'ebetso tse fapaneng.Lisebelisoa tsa bona li bonolo ho li sebelisa, li matla ebile li matla.
Lekola Li-Labs tsa Zetasizer-e leng sekhechana sa boemo ba ho kena le sehlahlobi sa zeta se nang le likarolo tse ntlafalitsoeng.
Re sebelisa li-cookies ho ntlafatsa boiphihlelo ba hau.Ka ho tsoela pele ho sheba sebaka sena sa marang-rang, u lumellana le tšebeliso ea rona ea li-cookies.Lintlha tse ling.