Ka kakaretso,turbiditye bua katurbidityea metsi.Ka ho khetheha, ho bolela hore 'mele oa metsi o na le lintho tse emisitsoeng, le tsena
litaba tse emisitsoeng li tla sitisoa ha khanya e feta.Tekanyo ena ea tšitiso e bitsoaturbidityboleng.Lintho tse tiileng tse emisitsoengle li-colloids
joalo ka mobu, seretse, lintho tse phelang hantle, lintho tse sa tsitsang, le plankton e ka metsing li ka etsa hore metsi a ferekane 'me a hlahise moferefere o itseng.
Ho ea katlhahlobo ea boleng ba metsi, theturbiditye entsoeng ka 1 mg SiO2 metsing a 1L ke Tekanyetso e le 'ngoeturbidityunit, e bitsoang 1 degree.
Ka kakaretso, e phahameng eaturbidity, ho kokobetsa tharollo.
Leano la ho lekanya la turbidity:
Lehlaseli la leseli le bapileng le ata ka mokelikeli o bonaletsang.Haeba ho se na likaroloana tse emisitsoeng ka har'a mokelikeli, sefate se ke ke sa fetola tsela ha u tsamaea
ka tsela e otlolohileng;kapa eseng joalo).Sena se etsa se tsejoang e le leseli le hasaneng.Likaroloana tse ngata (tse phahamengturbidity) ho hasana ha kganya ho matla le hofe.Seretse
e lekanngoa ka seletsa se bitsoang nephelometer.Nephelometer e romela leseli ka karolo ea sampole ebe e lekanya hore na leseli le hasaneng hakae
likaroloana tse ka metsing ka lehlakoreng la 90 ° ho leseli la ketsahalo.Mokhoa ona oa ho metha khanya e hasaneng o bitsoa mokhoa oa ho hasanya.Leha e le efe nneteturbidityho joalo
lekanngoa ka tsela ena.Theturbidity metere loketse litekanyo tsa tšimo le tsa laboratori, hammoho le ho beha leihlo nako le nako.Li-turbidimeters
e ka seta ho lla alamo ha e lekanngoaturbidityboleng bo feta litekanyetso tsa polokeho.
Mekhoa ea ho lekanya:
1. Seretsee ka lekanyetsoa ka mokhoa oa nephelometric kapa mokhoa oa khanya o hasaneng.Chaena, turbidimetry hangata e sebelisoa ho etsa qeto.Mohlala oa metsi o bapisoa
leturbiditytharollo e tloaelehileng e lokiselitsoeng ka kaolin, leturbidityha e phahame, 'me ho boleloa hore 1 mg ea silicon dioxide ka lithareng e le' ngoe ea metsi a hloekisitsoeng ke
aturbidity unit.Bakeng samekhoa e fapaneng ea ho lekanya kapa lintho tse fapaneng tse tloaelehileng, litekanyetso tse fumanoeng tsa tekanyo ea moferefere ha li hlile ha li lumellane.Boemo ba
turbidityka kakaretsoe ka se khonehlalosa ka ho toba tekanyo ea tšilafalo ea boleng ba metsi, empa keketseho eaturbiditye bakoang ke bophelo ba batho le likhoerekhoere tsa indasteri li bontša
hore boleng ba metsi bo senyehile.
2. Seretsee ka boela ea lekanyetsoa ka turbidimeter.Nephelometer e romela leseli ka karolo ea sampuli ebe e lekanya hore na khanya e kae e hasaneng ka likaroloana tse ka metsing.
ka 90°lehlakoreng la kganya ya ketsahalo.Mokhoa ona oa ho metha khanya e hasaneng o bitsoa mokhoa oa ho hasanya.Leha e le efe nneteturbiditye tlameha ho lekanyetsoa ka tsela ena.Theturbidity meterke
loketseng bakeng sa bobelilitekanyo tsa masimo le tsa laboratori, hammoho le ho beha leihlo nako le nako.Li-turbidimeterse ka hlophisoa hore e lle alamo ha e lekanngoa
turbidity boleng bo feta litekanyetso tsa polokeho.
3. Seretsee ka boela ea hakanngoa ka ho sebelisa colorimeter kapa spectrophotometer ho lekanya tekanyo ea ho fokotsa matla a khanya a fetisoang ka lebaka la tšitiso.
ealikaroloana kamohlala.Leha ho le joalo, mekhatlo ea tsamaiso ha e hlokomele bonnete ba mokhoa ona, ebile ha e kopane le tlhaloso ea American Public Health Association ea.
turbidity.
4. Tekanyo ea phetiso ea leseli e angoa habonolo ke tšitiso e kang ho monya mebala kapa ho monya likaroloana.Ho feta moo, ho ne ho se na kamano pakeng tsa phetiso ea leseli le liphetho tse lekantsoeng ka litekanyo tse hasaneng tsa leseli.Leha ho le joalo, ka nako e 'ngoe litekanyo tsa colorimeter le spectrophotometer li ka sebelisoa ho fumana boholo baturbiditylitsamaisong tsa pheko ea metsi kapa taolong ea tšebetso.
Nako ea poso: Nov-18-2022
