Cov khoom lag luam ntshiab yog siv lead ua dawb, tsis muaj ntxhiab, soluble hauv ntau cov kuab tshuaj organic, tsis yooj yim soluble hauv xylene, roj av ether, roj av.
Kev sib xyaw ntawm carbofuran: 16.6 feem los ntawm qhov hnyav ntawm 7-hydroxy compound hauv 14 ntu los ntawm huab hwm coj ntawm ether nrog 5.8 feem los ntawm pawg isocyanic acid thiab 0.1 feem los ntawm pawg triethylamine.
Tom qab nplawm, cov khoom dawb crystalline precipitated. Cov khoom siv lead ua tau sib cais kom tau txais 17.5 feem ntawm Budweiser.
3. Kev npaj Carbofuran
O-nitrophenol tau rov ua dua nrog 3chloroisobutylene los ua 2-isobutenyloxynitrobenzene, thiab tom qab ntawd Claisen kev sib hloov kev sib hloov tau ua tiav ntawm 175 ~ 190 ° C, thiab cov tshuaj tiv thaiv cyclization (chlorination ntawm 150 ~ 190 ° C Hlau yog cov kua qaub ua kua) los tsim 2,3- dihydro-2,2-dimethyl-7-nitrobenzofuran.
Tom qab txo hydrogenation, diazo nyob ntawm chav sov lossis qis dua thaum muaj sulfuric acid thiab sodium nitrite. Hauv.
Cov tshuaj tiv thaiv tau hydrolyzed rau 7-hydroxybenzofuran los ntawm cua sov, thiab tom qab ntawd ua haujlwm nrog methyl isocyanate kom tau txais cloveamide. Feem ntau ua rau 75% niam hmoov, ua rau hauv cov hmoov.
Kev siv Carbofuran
1. Carbofuran tshuaj tua kab
Carbofuran yog carbamate broad-spectrum systemic insecticide thiab acaricide. Nws tuaj yeem siv los tswj ntau dua 300 kab thiab nematodes ntawm cov av thiab hauv av rau ntau yam qoob loo.
Nws kuj tseem muaj qhov ua kom luv lub sijhawm cog qoob loo, txhawb kev cog qoob loo thiab kev txhim kho, thiab ua kom cov qoob loo qoob loo zoo. Cov tshuaj lom los ntawm carbofuran ntawm kab yog feem ntau yog cov tshuaj tua kab.
Cov tshuaj yog siv hauv paus ntawm cov qoob loo hauv av. Lub hauv paus txheej txheem nqus dej thiab thauj nws mus rau cov qia thiab nplooj, yog li ua tiav lub hom phiaj ntawm kev tswj kab. Carbofuran kuj muaj cov nyhuv tua.
Nws yog siv los tswj cov paj rwb aphids, txhuv thiab pob kws hauv paus. Nws muaj txiaj ntsig zoo tiv thaiv kab tsuag ntau yam xws li txhuv, pob kws thiab txiv laum huab xeeb.
H. Tshuaj tua kab tau txau rau ntawm cov dej saum npoo av, lub sijhawm ua haujlwm seem yog luv, thiab lub sijhawm ua haujlwm seem yog ntev dua thaum siv rau hauv av. Cov txiaj ntsig tuaj yeem tswj tau txog 90 hnub hauv paj rwb thiab kab tsib.
Cov phom sij ntawm Carbofuran
1. Mob toxicity
Ua rau lub qhov muag, tawv nqaij thiab cov hnoos qeev. LD50 mob hnyav heev hauv nas yog 8 txog 14 mg / kg (1.0 mg / kg rau cov khoom lag luam), thiab qhov hloov pauv hnyav LD50 tsawg dua 500 mg / kg hauv dev. Nws yog 19 mg / kg, nqaij qaib yog 9 mg / kg ntses LC501. 5 mg / L (0.28 mg / kg) (96h), cov khoom lag luam rau ntses ntses, Xiaogill ntses LC50 yog 0.21-0.28 mg / L.
Cov nas tau noj ntawm koob tshuaj 25 mg / kg rau 2 xyoos yam tsis muaj tshuaj lom. Hauv qhov kev ntsuas tshuaj, nws tsis muaj teratogenic, carcinogenic, thiab mutagenic cuam tshuam rau tsiaj, thiab tsis muaj qhov txawv txav tau pom hauv kev sim tsim dua tshiab thib ob thiab kev sim tshuaj neurotoxicity.
2. Carbofuran lom
Nws feem ntau txwv tsis pub ua haujlwm cholinesterase hauv lub cev, ua rau acetylcholine sib sau ua ke hauv cov nqaij thiab ua rau lom.
Kev txwv tsis pub cholinesterase kav ntev rau lub sijhawm luv, thiab cholinesterase rov zoo sai tom qab nres kev sib cuag.
Cov tshuaj lom hauv qhov ncauj yuav tsum ua kom ntuav sai thiab rov ua rau lub plab rov qab los. Lub plab lavage nrog cov dej lossis 2% ~ 5% sodium bicarbonate tov.
Atropine lossis scopolamine hydrobromide yog siv los ua tshuaj tua kab mob. Txog kev siv thiab qhov ntau npaum li cas, xa mus rau qhov kev txheeb xyuas hauv ntu no; oxime reactivator tsis ua haujlwm. Yog tias cov khoom raug tshuaj lom los ntawm kev sib xyaw nrog cov tshuaj tua kab organophosphorus, atropine tuaj yeem siv ua ntej.
Raws li qhov xav tau ntawm tus kab mob, tom qab lom rau lub sijhawm, qhov tsim nyog tus nqi ntawm oxime rejuvenating tus neeg sawv cev tuaj yeem thov raws li qhov tsim nyog.
Kev nqus pa: Tawm sai sai rau qhov cua kom huv. Khaws koj cov hlab cua qhib. Yog ua pa nyuaj, muab cov pa. Yog tias tsis ua pa, muab kev ua pa tawm tam sim ntawd. Nrhiav kev kho mob.
Kev nqhis dej: Haus dej sov kom ntau thiab ua rau ntuav. Ntxuav lub plab thiab tso dej tawm. Nrhiav kev kho mob.
Kev tiv thaiv kev ua pa: Daim npog ntsej muag plua plav (daim npog ntsej muag tag nrho) yuav tsum tau hnav thaum nws tuaj yeem cuam tshuam nrog hmoov av. Hnav lub tshuab ua pa rau thaum muaj xwm txheej ceev lossis khiav tawm.
Lwm yam kev tiv thaiv: Tsis txhob haus luam yeeb, noj mov thiab haus dej ntawm qhov chaw ua haujlwm. Tom qab ua haujlwm, da dej. Saib xyuas kev tu cev zoo.
Nta ntawm Carbofuran Test
1. 15 feeb nyeem cov txiaj ntsig
2. Kev txwv tsis pub teb rau EU thiab Asmeskas FDA cov cai
3. Tsis yog cov kws tshaj lij lossis cov cuab yeej xav tau
4. Yooj yim rau kev khiav lag luam thiab nyeem
Kev Tshawb Nrhiav Txoj Kev Xeem Carbofuran
Kev Xeem Carbofuran Rau Cov Khoom Ua Liaj Ua Teb yog ua raws Colloidal Gold Immunochromatography txhawm rau txheeb xyuas Carbofuran seem hauv cov khoom lag luam.
Cov khoom siv no tuaj yeem thov rau ntawm qhov chaw lossis kuaj sim los ntawm ntau lub chaw haujlwm.
Piv txwv ntawm Kev Xeem Carbofuran
Piv txwv muaj xws li: cov khoom ua liaj ua teb.
Kev Tshawb Nrhiav Txwv Kev Xeem Carbofuran
LOD tuaj yeem hloov pauv raws li qhov xav tau lossis qhov txawv ntawm qhov sib txawv, thov mus saib hauv phau ntawv qhia kom paub meej ntxiv.
1. Npaj cov tshuaj tsis ua raws li cov lus qhia khoom.
2. Nqa 2g mus kuaj (tubers-4g, Sawb zoo li tus -2g), txiav zaub qhwv ua tej daim ntev li 1 cm. Siv tus ntoo khaub lig-seem lossis kab mob ntawm cov tubers mus rau hauv lub khob piv txwv, ntxiv 10ml ntawm cov tshuaj tsis haum. Tuav rau 1 ~ 2 feeb, nchuav qhov kev daws teeb meem tseeb, thiab sawv ntsug rau 2 feeb raws li cov qauv ntsuas. Yog tias cov extract yog turbid lossis ntau yam tsis huv, nws tuaj yeem ntsuas tom qab lim.
3. Npaj daim npav xeem thiab tus qauv sawv ntsug rau chav sov thiab siv daim npav xeem hauv 1h yog tias tsis tau muab ntim.
4. Tshem tawm thiab muab daim npav xeem rau ntawm lub rooj ncaj. Pipette 2-3drops ntawm cov qauv, (li 60-80µl), rau hauv cov qauv zoo-phaj (tsis muaj npuas).
5. Reacting rau 3-5mins, ces nyeem qhov tshwm sim. Cov txiaj ntsig tom qab 30 feeb tsis raug.
Ntsiab lus
Tib neeg lub cev raug kis los ntawm kev sib chwv nrog ib puag ncig muaj kuab paug lossis noj mov, haus cov zaub mov tsis huv thiab cov dej hauv lub cev, thiab tseem tuaj yeem nqus tau los ntawm cov tshuaj txau. Cov neeg ua haujlwm hauv Rhiav tuaj yeem ua rau mob hnyav vim yog kev sib cuag mus ntev.
Kev Xeem Carbofuran Rau Cov Khoom Siv Ua Liaj Ua Teb muab los ntawm BALLYA tuaj yeem ntsuas tau zoo seb cov khoom ua liaj ua teb puas muaj carbofuran seem.
Cov khoom siv no tsis yog siv yooj yim xwb, tab sis kuj muaj lub sijhawm sim luv thiab raug qhov tseeb, thiab cov txiaj ntsig kev xeem ua raws EU qauv.
Muaj peev xwm ua kom muaj kev nyab xeeb ntawm cov khoom lag luam ua liaj ua teb.
Yuav xaj Carbofuran Test li cas?
Thov txheeb xyuas phau ntawv teev npe online thiab tiv tauj peb tus sawv cev muag ntawm email: info@ballyabio.com ib lossis sau daim foos tiv toj hauv qab no: