Nchọpụta nke ogige nke na-agbanwe agbanwe (olu) bụ akụrụngwa dị mkpa na gburugburu ebe obibi, ịdị ọcha mmepụta ihe, na ahụike na ahụike. Data itinye uche nke obere isi okwu dị ka benzene, touene, na xylene na-emetụta mkpebi mmetọ na nyocha ahụike. Agbanyeghị, a na-ezughị ezu n'oge nnakọta nlele, nchekwa, na ụgbọ ibu nwere ike ibute mfu na-emegharị emegharị, na-ebute nsonaazụ na-adịghị mma ma ọ bụ na-adịghị arụ ọrụ. Achịcha akara ngosi nke Vials Cospan-okpu abụrụla karama dị na nyocha nke nyocha. Kedụ ka aga - esi ahazi teknụzụ? Isiokwu a na-enye nkọwa dị omimi nke ngwọta ndị nwere ike.

Maka oghere na capra, ịkwesịrị ịma ，Pịa ebe a iji mara

I. A na-emechi nsogbu ọdịda

Ike nke okpu ọdịnala

Valial Cross-okpu na-adabere na mgbazi aka aka, nke na-ebute nrụgide ekweghị ekwe. Mgbapụta ọnọdụ okpomọkụ nwere ike ibute mgbasa ozi ikuku, na-eduga na micros gas.

Ihe ọghọm dị ala nke obere oge

Cultings dị ala dị ka benzene minativatives (esi) <15 Celsius C) nwere ike vo ngwa ngwa na-eto ngwa ngwa na ụlọ okpomọkụ. Ọ bụrụ na akara ngosi nke Viask nwere nnukwu mgbasa ozi mgbasa ozi ma ọ bụ na-egbochi kemịkalụ, a na-ewepụta ihe ngosi, enwere ike belata ọnụego mgbake site na 30%.

Chọrọ ịma na ntuziaka seraction GC HCPC? Pịa ebe a iji mara

Mmetọ na ngbanwe na nyocha

Ọkpụkpụ ọdịda ọ bụghị naanị na-efu na ịghara nyocha nyocha mana ha nwekwara ike iwebata ihe ruru eru. Dịka ọmụmaatụ, ọgba aghara n'oge njem nwere ike ịtọpụ vial okpu, na-eduga na mmerụ ahụ n'etiti ihe atụ na iche na-emetụta ya.

II. Akụkụ atọ na-edozi isi atọ maka ndị na-eme ka akara

Ngwọta 1:Pre-slit ptfe \ / silicone composite conta
Ntụziaka teknụzụ:
PTFE (polytetrafroorooroorooroethylene) na-enye nri kemịkal siri ike, na-egbochi ọrụ.
Uto silkone na-enye ikelizoning na-agbanwe agbanwe, na-anabata ọdịdị okpomọkụ.

Atụmatụ slit na-ebelata ihe ize ndụ nke ka ukwuu na-abawanye n'oge agịga.

Chọrọ ịma ka esi ahọrọ seapụ serad ma ọ bụ na ọ bụghị?Pịa ebe a iji mara

Ihe atụ a na-emetụta: Ihe a na-eme nyocha dị ka EPA 8260, HJ 644-2013, yana ụkpụrụ ndị yiri ya.

Ngwọta 2: Ndị na-ejide nri na-achịkwa Torque

Uru Uru:
- Na-achịkwa nrụgide akara (torque tụrụ aro: 10-15 inch-paụnd), na-ezere ekwekọghị ekwekọ na mgbapụta ntuziaka.
- Na-eme ka otu edo edo n'etiti okpu na gasket, na-egbochi mgbada n'oge nchekwa.

Ngwọta 3:Nlele anya na EPA 8260

Nhọrọ:
- Ịdị elu na-agbanwe agbanwe na-agbanwe agbanwe (e.G.,40ml VIals).
- Igwe iko kwesịrị ịbụ acid na alkali na-eguzogide ya na mkpochapụ dị ala.
- Sooro programị na-eme ka ọ bụrụ ihe ngosi na-esochi.

III. Ọmụmụ okwu: Mmetụta nke njikarịcha akara na njikwa nyocha

Nlele nnwale gburugburu ebe obibi iji tụnyere arụmọrụ dị n'etiti Vals Crop-okpu na akara akara akara akara:

Ngwọta ngwọta	Vales Cross-okpu	PTFE \ / silicone caprai + Torque
Ọnụego Benzene Benzene	68%	98%
Xylene RSD (%)	15.2	4.7
Post-ebugharị ọnụego	22%	0%

Ọmụmụ ihe a na-egosipụta na imejupụta sensa sen na akara aka dị ala nke obere olu (<1ppb), data na Asambodo Asambodo chọrọ.

Iv. Mmechi na Atụmatụ

Emechala ọdịda na usoro olu adịghị obere - ha na-emetụta izi ezi na iguzosi ike n'ezi ihe nke akụkọ sayensị. Tabtiveratos kwesịrị:

Tractivezọ oriri dị elu: Họrọ pre-adrerited PTFE \ / silicone cariza na ọnụ ọgụgụ nlele dị obosara.
Standard akara akara: na-eji ndị na-acha odo odo na-achịkwa ma na-ebulikwa akara akara.
Nchịkwa dị mma: Nyochaa akara akara site na nnwale mgbake spiked ma dochie serada n'oge gara aga.

Outlook: na ịba ụba n 'ụkpụrụ dị ka usoro EPA gaa-17 maka ngwaọrụ nchọpụta nke ọgụgụ isi na sistemụ nrụpụta ga-abụ ụzọ nyocha nke ụlọ ọrụ.

Nke gara aga:

8 Ngwa dị mkpa na akpachapụ anya maka Vials Scintillation 20ml | Ntuziaka iji ahọpụta ndị na - ahọpụta ihe maka nyocha redio

Osote:

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Ihe ngwọta maka ogige akụrụngwa (olu) Symple supleges: atụmatụ igodo iji mee ka nyocha dị elu