KBr pellet yog dab tsi?
KBr pellet yog dab tsi?

Video: KBr pellet yog dab tsi?

Video: KBr pellet yog dab tsi?
Video: How to make a KBr pellet | FT-IR Spectroscopy | Transmission Analysis 2024, Kaum ib hlis
Anonim

KWB Pellet Txoj kev. Txoj kev no siv cov cuab yeej uas alkali halides ua yas thaum raug lub siab thiab tsim ib daim ntawv uas pob tshab hauv cheeb tsam infrared. Potassium bromide ( KBr ) yog qhov feem ntau alkali halide siv hauv pellets.

Cov lus nug tseem yog, vim li cas KBr siv los ua cov pellet?

Potassium bromide ( KBr , spectroscopic qib) feem ntau yog siv raws li cov khoom siv qhov rais vim nws yog pob tshab hauv IR, ntawm 4000-400 cm-1. Xwb, cov qauv tuaj yeem ntim hauv ib KBr matrix thiab nias rau tsim ib pellet uas yog ces analyses.

Ib tug kuj nug, vim li cas KBr IR tsis ua haujlwm? Cov khoom feem ntau yuav tsum tau diluted nrog cov IR - inactive KBr thiab nias rau qhov paub zoo " KBr - pellet." Txawm li cas los xij, ob hom kev ntsuas kev ntsuas muaj lawv qhov tsis zoo: cov kua cell yuav tsum tsis muaj npuas npuas thiab tsis yooj yim los ntxuav. KBr yog hygroscopic thiab yog li tsis yooj yim rau lis thiab khaws cia.

Tsis tas li ntawd, vim li cas Potassium bromide siv hauv infrared spectroscopy?

Potassium bromide yog pob tshab los ntawm ze ultraviolet mus rau ntev-yoj infrared wavelengths (0.25-25 µm) thiab tsis muaj qhov tseem ceeb ntawm cov khoom siv kho qhov muag hauv nws cheeb tsam kev sib kis siab. Nws yog siv dav li infrared optical windows thiab cov khoom siv rau kev dav dav spectroscopy vim nws qhov dav spectral ntau.

KBr siv rau dab tsi?

Rau ntau tshaj ib puas xyoo, poov tshuaj bromide, los yog KBr , ua siv hauv tib neeg thiab veterinary tshuaj raws li ib qho tshuaj tiv thaiv qaug dab peg. Phenobarbital, los yog PB, kuj tau siv rau xyoo los kho mob qaug dab peg. Txawm hais tias ob qho tib si 'cov keeb kwm ntev ntawm kev siv ntau, tsis tau pom zoo los ntawm FDA los kho mob qaug dab peg hauv tib neeg lossis tsiaj.

Pom zoo: