I-Phenolphthalein CAS 77-09-8 intengo yefekthri

I-Phenolphthalein CAS 77-09-8 intengo yefekthri Isithombe Esifakiwe
  • I-Phenolphthalein CAS 77-09-8 intengo yefekthri
  • I-Phenolphthalein CAS 77-09-8 intengo yefekthri
  • I-Phenolphthalein CAS 77-09-8 intengo yefekthri

Incazelo emfushane:

wholesales Phenolphthalein CAS 77-09-8


  • Igama lomkhiqizo :Phenolphthalein
  • I-CAS:77-09-8
  • MF:I-C20H14O4
  • MW:318.32
  • I-EINECS:201-004-7
  • Umlingiswa:umkhiqizi
  • Iphakheji:1 kg/kg noma 25 kg/isigubhu

    • Imininingwane Yomkhiqizo

    Omaka bomkhiqizo

    Incazelo

    Igama lomkhiqizo: Phenolphthalein
    CAS: 77-09-8
    MF: C20H14O4
    MW: 318.32
    I-EINECS: 201-004-7
    Iphuzu elincibilikayo: 261-263 °C (lit.)
    Indawo yokubilisa: 417.49°C (isilinganiso esinzima)
    Ukuminyana: 1.27 g/cm3 ku-32 °C
    Inkomba ye-refractive: 1.5400 (isilinganiso)
    Fp: 24 °C
    PH: 7.8–10.0

    Ukucaciswa

    Ukubukeka Impushana emhlophe
    Isivivinyo 99% iminithi
    Iphoyinti lokuncibilika 261-263 °C (okhanyisiwe)
    Iphuzu elibilayo 417.49°C (isilinganiso esinzima)

    Isicelo

    1. Umkhiqizi we-Phenolphthalein CAS 77-09-8 esetshenziswa njengenkomba ye-acid-base kanye ne-laxative ecasulayo yokwelapha ukuqunjelwa
    2. Inkomba ye-Acid-base, inkomba ye-titration engeyona amanzi, i-reagent yokuhlaziya i-chromatographic.

    Mayelana Nezokuthutha

    1. Enkampanini yethu, siyaqonda ukuthi amakhasimende ethu anezidingo ezahlukene zokuthumela ezisekelwe ezintweni ezifana nobuningi nokuphuthuma.
    2. Ukuze kuhlangatshezwane nalezi zidingo, sinikeza izinketho ezihlukahlukene zokuthutha.
    3. Ukuze uthole ama-oda amancane noma ukuthunyelwa okuzwela isikhathi, singahlela izinsiza zomoya noma zamazwe ngamazwe, okuhlanganisa i-FedEx, DHL, TNT, EMS, kanye nemigqa ekhethekile.
    4. Ukuze uthole ama-oda amakhulu, singathumela ngolwandle.

    Ezokuthutha

    Izimo zokugcina

    Gcina kuvaliwe ekamelweni lokushisa.

    Ukuzinza

    Ibomvu uma incibilika kusisombululo se-alkali esincibilikayo.

    FAQ

    1. Iyini i-MOQ yakho?
    RE: Ngokuvamile i-MOQ yethu ingu-1 kg, kodwa ngezinye izikhathi nayo iyavumelana nezimo futhi incike emkhiqizweni.

    2. Ingabe unayo isevisi yangemva kokuthengisa?
    Impendulo: Yebo, sizokwazisa ngenqubekelaphambili ye-oda, njengokulungiswa komkhiqizo, isimemezelo, ukulandelwa kwezinto zokuhamba, usizo lokukhishwa kwempahla, isiqondiso sobuchwepheshe, njll.

    3. Ngingathola isikhathi esingakanani izimpahla zami ngemva kokukhokha?
    Re: Ngenani elincane, sizoletha nge-courier(FedEx, TNT, DHL, njll) futhi ngokuvamile kuzobiza izinsuku ezingu-3-7 eceleni kwakho. Uma ufuna ukusebenzisa ulayini okhethekile noma ukuthunyelwa komoya, singanikeza futhi futhi kuzobiza cishe amasonto angu-1-3.
    Ngobuningi obukhulu, ukuthunyelwa olwandle kuzoba ngcono. Isikhathi sokuthutha, sidinga izinsuku ezingu-3-40, okuncike endaweni yakho.

    4. Singathola ngokushesha kangakanani impendulo ye-imeyili eqenjini lakho?
    Impendulo: Sizokuphendula phakathi namahora angu-3 ngemva kokuthola umbuzo wakho.

    FAQ
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