Ho khetholloa metsoako e sa sebetseng ea manyolo (li-vocs) ke karolo ea bohlokoa ea ho lekola tikoloho, bohloeki ba indasteri le polokeho ea mosebetsing. Lintlha tsa ho tsepamisa mohopolo tsa vocs tse tlase tse kang benzee, le Xylene ka kotloloho li ama tšilafalo ea tšilafalo ea tšilafalo ea tšilafalo ea tšilafalo ea tšilafalo ea polasetiki le liteko tse kotsing ea bophelo. Leha ho le joalo, ho tiisa karolo ea pokello ea mehlala, polokelo le lipalangoang li ka lebisa tahlehelo ea volatilization ea Vocs, e bakileng sephetho sa ho arohana kapa esita le litholoana tse sa sebetseng. Bofokoli ba ho tiisa ba boholo ba li-vaerals tsa setso li fetohile botlolo ea bohlokoa ho nepahala ha motho. Theknoloji ea ho timela e ka lokisoa joang? Sengoliloeng sena se fana ka tlhahlobo e tebileng ea tharollo e ka bang teng.

Bakeng sa li-cap tsa vaera le Septa, o hloka ho tseba ，Tobetsa mona ho tseba

I. Libaka tse tloaelehileng tsa ho hloleha

Meeli ea Likalimo tsa setso

Lintho tse tloaelehileng tse kentsoeng sekoti li itšetleha ka ho tiisa letsoho, li baka khatello e sa lekanyetsoang. Ho feto-fetoha ha mocheso mocheso ho ka etsa hore kekeho ea mafura le khang ea mocheso, e lebisa ho Micro ea khase e lutseng.

Likotsi tsa maemo a phahameng tsa vocs tse tlase-lintlha

Metsoako e tlase-bolelele ba lintlha tse tlase tse nang le li-rimmetivels Haeba gasket ea vialing ea Via e na le adsorption indsorption kapa khanyetso e mpe ea lik'hemik'hale, tahlehelo ea mohlala e mpefatsoa, e ka fokolisa litheko tse fetang 30%.

U batla ho tseba GC Hplc vaalc vial Tobetsa mona ho tseba

Liphoso tsa Tlhaselo le Liphoso tsa Tlhatlhobo

Ho hlohlelletsa liphoso eseng feela ho baka ho lahleheloa ke sepheo sa sepheo empa le tsona li ka hlahisa litšila tsa ka ntle. Mohlala, ho sisinyeha nakong ea lipalangoang ho ka lahleheloa ke li-cap tsa vaerase, li lebisang sefapanong pakeng tsa sampole tse haufi le li-gc-m ms netefatso ea GC-mm.

II. Litharollo tse tharo tsa tekheniki bakeng sa ho ntlafatsa tiiso ea tiiso

Tharollo ea 1:Pre-slit ptfe prefe \ Sillicone Copesteite Septa
Melemo ea tekheniki:
PTF (Polytetrafluoethylene) e fana ka botle ba lik'hemik'hale, ho thibela ho thetsa ha vocs.
Karolo ea silionone e re fa tšekamelo e mpe ea lefutso, ho akana ka mefuta-futa ea mocheso.

Moralo oa pele o fokotsa kotsi ea hore na li-pontso tsa likarolo li sa khone ho kenella ka har'a nako ea nale.

U batla ho tseba ho khetha Septa Prip kapa che?Tobetsa mona ho tseba

Maemo a sebetsang: tlhahlobo ea Vocs ho ea ho epa 8260, HJ 644-2013 le litekanyetso tse ts'oanang.

Tharollo 2: Likhetho tse laoloang ke toropo

Boleng ba mantlha:
- Litaolo hantle li laola khatello ea maikutlo (toropo e khothalletsoang:
- Ho netefatsa ho ikopanya le capform pakeng tsa cap le gasket, ho thibela ho tlosoa nakong ea polokelo ea nako e telele.

Tharollo 3:Mohlala oa mohlala o lumellanang le litekanyetso tsa EPA 82600

LITLHAKISO:
- Ho lumellana ha boholo ba melomong ea vial (e.g.,40ml bophara ba meriana).
- Lintho tse bonahalang tsa khalase e lokela hore e be asiti le alkali-e hatisang ho ba teng ka lebaka le tlaase.
- E tsamaeang le Septa e netefalitsoeng, e netefalitsoeng ka liteko tse se nang letho.

III. Thuto ea linyeoe: tšusumetso ea ho tiisa bokhoni ho ho nepahala ha tlhahlobo

Teko ea tlhahlobo ea tikoloho e bapiseng ts'ebetso pakeng tsa li-dialis tse tloaelehileng tsa screw-cap le tharollo e ntlafalitsoeng:

Tlhahlobo ea metric	E tloaelehileng ea screw-cap	PTF \ Sillicone Septa + torque Capper
Sekhahla sa 'nete sa Benzene	68%	98%
Xylene rd (%)	15.2	4.7
Sekhahla sa Post-Palame	22%	0%

Thuto e bontšitse hore ho kenya tšebetsong sebopeho sa Septa le ho lekana ho ntlafatsa haholo botsitso ba li-vocs tsa mahloriso (<1ppb).

IV. Phetha le likhothaletso

Ho hlohlelletsa liphoso tsa Vocs Samompole - Li na le tšusumetso e nepahetseng - ho ba le matla a ho nepahala le ho boloka melao ea mahlale. Laboratori e lokela ho:

Pele u etsa liphetoho tse phahameng tsa ho tiisa: Khetha PetFied Pet-verp e netefalitsoeng ke "
Hlahloba lits'ebetso tsa ho tiisa: Sebelisa li-cappers tse laoloang ke litoropo le tsa melao ea maiketsetso khafetsa.
Ho ntlafatsa taolo ea boleng: Ho beha leihlo ho tiisa ts'ebetso ea ho foqoha ha liteko le ho khutlisetsa Sepda hang-hang.

Potso e tlang: Ka thabo e ntseng e eketseha joaloka mokhoa o kang oa-17 bakeng sa li-vocs tsa ho lemoha ho tla ba tataiso e ncha ea indasteri.

E fetileng:

8 Likopo tsa bohlokoa le lits'ebeletso tsa ho itšireletsa bakeng sa mathata a 20ml scninillation | Tataiso ea ho khetha lijana bakeng sa liteko tsa radio radio

E 'ngoe:

Mass S.

Tharollo ea metsoako e sa sebetseng ea manyolo (vocs) ea mohlala: maano a bohlokoa a ho matlafatsa ho nepahala ha tlhahlobo