Cesium iodide CAS 7789-17-5 Chaw tsim tshuaj paus nqi

Cesium iodide CAS 7789-17-5 Chaw tsim tshuaj paus nqi Featured duab
  • Cesium iodide CAS 7789-17-5 Chaw tsim tshuaj paus nqi
  • Cesium iodide CAS 7789-17-5 Chaw tsim tshuaj paus nqi
  • Cesium iodide CAS 7789-17-5 Chaw tsim tshuaj paus nqi
  • Cesium iodide CAS 7789-17-5 Chaw tsim tshuaj paus nqi

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  • Khoom npe:Cesium iodide
  • CAS:7789-17-5 ib
  • MF:CsI
  • MW:259.81 ib
  • EINECS:232-145-2 : kuv
  • Cim:neeg tsim khoom
  • Pob:1 kg / hnab los yog 25 kg / lub raj mis

    • Product Detail

    Khoom cim npe

    Kev piav qhia

    Khoom npe: Cesium iodide

    CAS: 7789-17-5 Nr

    MF: TSI

    PIB: 259.81

    IB: 232-145-2

    Melting point: 626 ° C (lit.)

    Kub taw tes: 1280 ° C

    Ceev: 4.51 g / mL ntawm 25 ° C (lit.)

    Refractive index: 1.7876

    Fp: 1280 ° C

    Xim: Dawb

    Specification Gravity: 4.51

    Specification

    Khoom npe Cesium iodide
    Qhov tshwm sim Dawb crystal hmoov
    Purity ≥99.9%
    Li ≤ 0.00005%
    Na ≤ 0.0001%
    K ≤ 0.0002%
    Rb ≤0.002%
    Ca ≤ 0.00005%
    Mg ≤ 0.0001%
    Sr ≤ 0.0001%
    Ba ≤0.001%
    Fe ≤ 0.00005%
    Al ≤ 0.00001%
    Cr ≤ 0.00005%
    Mn ≤ 0.0001%
    SO4 ≤ 0.0005%
    P2O 5 ≤ 0.00005%
    SiO 2 ≤ 0.00002%

    Daim ntawv thov

    1. Siv nyob rau hauv X-ray duab intensifier hlab, cesium iodide ·sodium, cesium iodide · thallium scintillation siv lead ua cov ntaub ntawv, tshwj xeeb hluav taws xob qhov chaw additives, tshwj xeeb kho qhov muag iav tshuaj;

    2. Kev tshuaj ntsuam reagent.

    3. Infrared spectrometer prism, X-ray phosphor screen, scintillation txee.

    Txog Kev Thauj Mus Los

    1. Raws li qhov yuav tsum tau ua ntawm peb cov neeg siv khoom, peb tuaj yeem muab ntau hom kev thauj mus los.
    2. Rau kev txiav txim me me, peb muab kev xa khoom huab cua lossis kev pabcuam xa khoom thoob ntiaj teb xws li FedEx, DHL, TNT, EMS, thiab ntau lwm yam tshwj xeeb ntawm kev thauj mus los thoob ntiaj teb.
    3. Peb tuaj yeem thauj los ntawm hiav txwv mus rau ib qho chaw nres nkoj rau qhov loj dua.
    4. Tsis tas li ntawd, peb tuaj yeem muab cov kev pabcuam tshwj xeeb raws li cov kev xav tau ntawm peb cov neeg siv khoom thiab cov yam ntxwv ntawm lawv cov khoom.

    Kev thauj mus los

    Cia

    Khaws rau hauv qhov chaw txias, qhuav thiab tsaus.

    Nta

    1. Yooj yim deliquescent. Sensitive rau lub teeb. Nws yog soluble hauv dej, soluble hauv ethanol, me ntsis soluble hauv methanol, thiab yuav luag insoluble hauv acetone. Tus txheeb ze ntom ntom yog 4.5. Lub melting point yog 621 ° C. Kub taw tes yog hais txog 1280 ° C. Lub refractive index yog 1.7876. Nws yog khaus. Toxic, LD50 (rat, intraperitoneal) 1400mg / kg, (rat, qhov ncauj) 2386mg / kg.

    2. Cesium iodide muaj cov crystal daim ntawv ntawm cesium chloride.

    3. Cesium iodide muaj zog thermal stability, tab sis nws yog yooj yim oxidized los ntawm oxygen nyob rau hauv cov huab cua ntub.

    4. Cesium iodide kuj tuaj yeem oxidized los ntawm cov oxidants muaj zog xws li sodium hypochlorite, sodium bismuthate, nitric acid, permanganic acid, thiab chlorine.

    5. Kev nce hauv solubility ntawm iodine nyob rau hauv aqueous tov ntawm cesium iodide yog vim: CsI + I2 → CsI3.

    6. Cesium iodide tuaj yeem cuam tshuam nrog nyiaj nitrate: CsI + AgNO3 = = CsNO3 + AgI↓, qhov twg AgI (silver iodide) yog cov khoom daj uas tsis muaj dej.

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