20ml Scintilation Mai Girma Mai Amfani: Kurakurai na gwaji 5 na yau da kullun da mafita
Wannan labarin na nufin taimaka wa masu binciken bincike a cikin ganowa da kuma gyara kurakurai na yau da kullun da ke hade da amfani da nazarin 20ml a cikin bincike na 20ml a cikin bincike na 20ml.
Orarancin ɓoyayyen rai, irin wannan tsabtataccen abu ko rashin isasshen tsabtatawa, na iya haifar da mahimman bayanai, tare da nazarin da ke nuna har zuwa ɗan bambanci 30% a cikin sakamako.
Labarin ya cancanci batun rashin daidaituwa, yana yin watsi da ƙazanta na ƙazanta tsakanin kayan vial da reagproper wanda ya haifar da gurbata abubuwa.
Ta hanyar ba da cikakken bayani da bayanan ingantawa na gwaji, jagorar labarin yana inganta hanyoyin gwajin su don tabbatar da daidaito da amincin.
1. Gabatarwa: Maɗaukaki kuskure, babban sakamako
A cikin bincike samfurin rediyo, ƙananan alman na 20ml scintilation na iya haifar da karkatar da bayanai har zuwa 30%, tare da yawancin masu bincike sun san batutuwan da ba su san matsalolin ba.
A cewar bayanai daga masu samar da kayayyaki na kasa da kasa kamar Thomas kamar yadda Thomas suna amfani da kayan kwalliyar cututtukan fata na kimiya na kimanin kashi 17% na gwaji ƙididdigar.
2. Kurakurai na yau da kullun da mafita
Kuskure 1: Rashin isasshen suturar kaiwa zuwa samfurin Volatilization
Hankula na hali: Kawai yana juyawa da hula bayan 1 \ / 4 juya, gaza cimma nasarar CS222 COLL 3 \ / 4 juya matsayin rufe.
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Daukaka darajar asali a cikin ganowa β-ray.
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Karkatar da ƙididdigar ƙididdigar a cikin samfuran ƙananan aiki.
Magani: Tabbatar da hula mai ƙira, ta amfani da iyakoki tare da masu ɗaukar hoto na polyethylene don haɓaka halayen da ke rufe.
Kuskure 2: Yin vials ba tare da tsabtatawa sosai
Ragowar haɗari: Toluene-tushen cinshin ruwa ruwa na iya giciye tare da reculle ruwa mai narkewa.
Shawarwari:
| Abu | Wakilin Tsabtace Tsabtace | Mafi yawan lokuta |
|---|---|---|
| Gilashin (VS2017) | Cress acid wanke → → → uptaliture ruwa | Sau 50 |
| Hdpe | Ethanol ultrasonic → nitrogen bushewa | Sau 30 |
Zaɓi hanyoyin tsabtatawa da suka dace dangane da kayan don tabbatar da rahamar sammaci.
Kuskuren 3: Rashin jituwa da kebantawa tsakanin kayan vial da reagents
Kwatancen dacewa:
| Nau'in reagent | Gilashi | Hdpe | So | Pp |
|---|---|---|---|---|
| Toluene \ / xylene | ✓✓✓ | ✓✓ | ✗ | ✓✓✓ |
| Mai ƙarfi acid (pH <2) | ✓✓✓ | ✗ | ✗ | ✓✓ |
| Acetone | ✓✓ | ✓✓✓ | ✓✓ | ✓✓ |
Zaɓi kayan vial masu dacewa tare da karɓar don don guje wa halayen sunadarai waɗanda zasu iya shafar sakamakon gwaji.
Kuskure 4: Rashin ingantaccen ajiya don gurɓatawa ta jiki
Case kwatancen:
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Daidaitaccen ajiya vs. Adadin ajiya na kwance yana haifar da kuka a bakin vial.
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Rashin isasshen kariya mai haske yana haifar da amo na asali.
Shawarwari: Zabi asalin gilashin launin ruwan kasa (VS20017B) ko HDPE haske vials don kula da samfuran mai hankali-mai hankali.
Kuskuren 5: Rashin girman martani wanda ya haifar da tasirin sakamako
Key Data: Lokacin da ainihin cikar cike da vial 20ml Sciintilation ya wuce 18ml, ingancin gano ruwa na ruwa na raguwa ta 12-15%.
Standardal Standard: Yi amfani da dabarar mai alamar kafada don tabbatar da cikar cika shi ne a cikin kewayon da aka ba da shawarar.
3. Gwajin gwaji da tallafi na fasaha
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Gwajin ɓangare na uku da ke nuna cewa ta hanyar amfani da iyakokin CS222 da aka rufe sosai a cikin abubuwa masu yawa da ke da makonni 8 cikin 100, idan aka kwatanta da 3.2% tare da iyakokin talakawa.
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Gilashin gilashi vs2017 nune-nunin ƙididdigar yawan sifili a cikin gwajin yanayin zafin jiki daga -196 ° C zuwa 150 ° C, tabbatar da kwanciyar hankali a cikin matsanancin yanayi.
