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LADP-1A Tsarin Gwaji na CW NMR - Babban Samfurin

Takaitaccen Bayani:

Nuclear Magnetic Resonance (NMR) wani nau'i ne na yanayin jujjuyawar rawa wanda ke haifar da igiyoyin lantarki a cikin filin maganadisu akai-akai.Tun lokacin da aka gudanar da waɗannan binciken a cikin 1946, hanyoyin da dabaru na ƙarfin maganadisu na nukiliya (NMR) sun haɓaka cikin sauri kuma ana amfani da su sosai saboda suna iya zurfafa cikin abun ba tare da lalata samfurin ba, kuma suna da fa'idodin saurin sauri, daidaito da tsayi. ƙuduri.A zamanin yau, sun shiga cikin ilimin kimiyyar lissafi zuwa ilmin sunadarai, ilmin halitta, ilimin kasa, jiyya, kayan aiki da sauran fannoni, suna taka rawar gani sosai a cikin bincike da samarwa na kimiyya.


Cikakken Bayani

Tags samfurin

 

Bayani

Bangaren zaɓi: Mitar mita, ɓangaren oscilloscope wanda ya shirya kansa

Wannan tsarin gwaji na ci gaba da motsin makamashin nukiliyar maganadisu (CW-NMR) ya ƙunshi babban maganadisu na kamanni da babban na'ura.Ana amfani da maganadisu na dindindin don samar da filin maganadisu na farko wanda filin lantarki mai daidaitacce, wanda aka samar ta hanyar coils guda biyu, don ba da damar daidaitawa mai kyau ga jimillar filin maganadisu da kuma rama canjin filin maganadisu sakamakon bambancin zafin jiki.

Saboda kawai ƙaramin maganadisu na halin yanzu ake buƙata don ƙarancin filin lantarki, matsalar dumama tsarin tana raguwa.Don haka, ana iya aiwatar da tsarin gabaɗaya har tsawon sa'o'i da yawa.Kyakkyawan kayan aikin gwaji ne don ci-gaba da dakunan gwaje-gwajen kimiyyar lissafi.

Gwaji

1. Don lura da abin da ya faru na makamashin nukiliya (NMR) na hydrogen nuclei a cikin ruwa da kwatanta tasirin paramagnetic ions;

2. Don auna sigogi na hydrogen nuclei da fluorine nuclei, kamar spin Magnetic ratio, Lande g factor, da dai sauransu.

Ƙayyadaddun bayanai

Bayani

Ƙayyadaddun bayanai

Auna tsakiya H da F
SNR 46 dB (H-nuclei)
Mitar oscillator 17 MHz zuwa 23 MHz, ci gaba da daidaitawa
Wurin igiyar maganadisu Diamita: 100 mm;nisa: 20 mm
Girman siginar NMR (kololuwa zuwa kololuwa) > 2 V (H-nukiyoyin);200mV (F-nuclei)
Homogeneity na filin maganadisu fiye da 8 ppm
Daidaita kewayon filin lantarki 60 Gaba
Yawan raƙuman ruwan coda > 15

 

 


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