2024 Tus sau: Chloe Blomfield | [email protected]. Kawg hloov kho: 2023-12-15 23:55
Yog koj tau siv tshuaj tua kab, tej zaum koj yuav paub txog lo lus 'adjuvant.' Dab tsi yog cov tshuaj tua kab mob? Feem ntau, ib qho adjuvant yog txhua yam uas tau ntxiv los txhim kho kev siv tshuaj tua kab. Adjuvants yog txhim kho tshuaj lom neeg kev ua si los yog daim ntawv thov. Muaj ntau ntxiv tsuas yog pab cov tshuaj lom neeg ua raws li nplooj thaum lwm tus ua rau kom cov khoom solubility. Nws tuaj yeem tsis meej pem rau kev tshem tawm cov tshuaj tua kab mob tshuaj tua kab mob thiab lawv cov khoom, tab sis peb yuav ua nws ua ke thiab ua kom muaj kev nkag siab ntawm cov khoom tseem ceeb no.
Herbicide Adjuvant Guide
Adjuvants yog cov khoom ntxiv rau ntau hom tshuaj cog qoob loo. Koj tuaj yeem pom lawv hauv cov tshuaj tua kab thiab tshuaj tua kab. Kev siv tshuaj tua kab mob nrog cov tshuaj tua kab tuaj yeem ua tau raws li cov neeg ua dej ntub dej, cov kuab tshuaj, cov ntawv nplaum, cov stabilizers, cov khoom sib kis, thiab cov tshuaj tua kab mob. Adjuvants yog cov catalyst uas ua rau cov tshuaj formula zoo dua, sai dua, thiab muaj txiaj ntsig. Phau ntawv qhia tshuaj tua kab mob yuav tsum pab txheeb xyuas ntau hom thiab lawv txoj haujlwm.
Ntau tus ntawm peb tau paub txog surfactants, qee qhov yog tshuaj tua kab mob tshuaj tua kab mob. Nyob rau hauv technical jargon, ib tug surfactant txo qhov nro ntawm qhov chawcov tee dej thiab nplooj nplooj. Lawv yog cov tseem ceeb wetting agents uas pab cov tshuaj adheres rau nplooj nplooj. Yog tsis muaj lawv, cov tee dej yuav tsuas yob tawm thiab tsis tau absorbed rau hauv cov nroj tsuag. Muaj plaub yam tseem ceeb ntawm surfactants uas yog adjuvants:
- Anionic surfactants txhim khu foaming.
- Non-anionic surfactants muaj ntau nyob rau hauv horticulture thiab feem ntau tawg nro.
- Amphoteric surfactants tsis tshua siv hauv kev ua teb tab sis, qee zaus, muaj nyob hauv cov qauv tshwj xeeb.
- Cationic tsis yog siv hauv kev lag luam horticultural tab sis hauv kev lag luam tshuaj ntxuav.
Ntawm cov adjuvants muaj peb lub ntsiab lus siv hauv horticulture:
- Thawj yog cov surfactants, cov neeg ua dej ntub dej, cov dej nkag, thiab cov roj. Cov no yog cov lus piav qhia nws tus kheej tab sis lawv feem ntau yuav ib leeg thiab tom qab ntawd ntxiv rau cov qauv tshuaj tua kab kom ua tau zoo.
- Qhov thib ob yog cov tshuaj tsuag tshuaj hloov kho. Hauv pab pawg no yog cov ntawv nplaum, cov khoom sib kis, cov neeg ua yeeb yaj kiab, cov neeg tsim tso nyiaj, cov neeg ua npuas dej, thiab cov thickeners. Lawv feem ntau twb nyob hauv cov qauv tsim.
- Thaum kawg, cov khoom siv hluav taws xob zoo li emulsifiers, stabilizers, dispersing aids, coupling agents, anti-foam agents, and buffers. Cov tshuaj tua kab mob tshuaj tua kab mob no feem ntau yog nyob hauv lub raj mis ntawm kev yuav khoom.
Kev siv tshuaj ntsuab nrog tshuaj ntsuab
Xaiv koj tus kws kho mob yuav pib nrog kev nyeem cov tshuaj tua kab lossis tshuaj tua kab. Qhov tsis ncaj ncees lawm adjuvant tuaj yeem dhau los ua bane es tsis yog qhov zoo yog tias siv rau cov nroj tsuag. Teeb meem hnyav tuaj yeem ua tautshwm sim nyob rau hauv tsis ncaj ncees lawm tej yam kev mob, tsis ncaj ncees lawm hom, thiab incorrect adjuvant. Nyob rau hauv cov xwm txheej loj loj, cov nonionic surfactants es tsis txhob roj yog pom zoo los tiv thaiv lub peev xwm ntawm kev puas tsuaj loj.
Nyeem daim ntawv qhia tshuaj tua kab kom zoo kom paub txog cov feem pua ntawm cov khoom siv surfactant. Feem ntau yuav sau 75 feem pua. Cov qauv tshuaj uas xav tau adjuvants yuav qhia koj qhov twg thiab ntau npaum li cas hauv daim ntawv lo. Nco ntsoov, adjuvant siv nrog tshuaj tua kab mob yuav tsum pab txhawb qhov kev txiav txim ntawm cov mis yuav.
Yog tias koj tsis tuaj yeem pom cov ntaub ntawv hauv pob cov lus qhia, hu rau tus qauv tsim thiab tshawb xyuas seb qhov twg thiab qhov concentration ntawm adjuvant yuav txhawb cov khoom tshwj xeeb.
Pom zoo:
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