Phenolphthalein CAS 77-09-8 tau falegaosimea

Fa'amatalaga Puupuu:

oloa siiatoa Phenolphthalein CAS 77-09-8


  • igoa ole oloa:Phenolfthalein
  • CAS:77-09-8
  • MF:C20H14O4
  • MW:318.32
  • EINECS:201-004-7
  • Uiga:gaosimea
  • afifi:1 kilokalama / kilokalama poʻo 25 kilokalama / paʻu
  • Fa'amatalaga Oloa

    Faailoga o oloa

    Fa'amatalaga

    Igoa Oloa: Phenolphthalein
    CAS: 77-09-8
    MF: C20H14O4
    MW: 318.32
    EINECS: 201-004-7
    Liu liusuavai: 261-263 °C (malamalama)
    Mea fa'apuna: 417.49°C (fa'atatau fa'atatau)
    Malosi: 1.27 g/cm3 ile 32 °C
    Fa'ailoga fa'atusa: 1.5400 (fa'atatau)
    Fp: 24 °C
    PH: 7.8~10.0

    Fa'amatalaga

    Fa'aaliga Pa'u pa'epa'e
    Su'ega 99% min
    Liu liusuavai 261-263 °C (malamalama)
    Fa'apuna 417.49°C (fa'atatau fa'atatau)

    Fa'atatauga

    1. Fa'atau oloa gaosi Phenolphthalein CAS 77-09-8 fa'aaogaina e fai ma fa'ailo fa'amaufa'ailoga ma fa'ama'i fa'avevesi mo le togafitia o le manava.
    2. Fa'ailo fa'avae oona, fa'ailo titration e le-vai, reagent su'esu'e chromatographic.

    E uiga i Femalagaiga

    1. I la matou kamupani, matou te malamalama o loʻo i ai i a matou tagata faʻatau manaʻoga eseese o felauaiga e faʻavae i luga o mea taua e pei o le tele ma le faanatinati.
    2. Ina ia faʻaogaina nei manaʻoga, matou te ofoina atu le tele o filifiliga felauaiga.
    3. Mo ni fa'atonuga la'ititi po'o ni uta taimi-ma'ale'ale, e mafai ona matou fa'atulagaina auaunaga felauaiga i luga o le ea po'o fa'avaomalo, e aofia ai le FedEx, DHL, TNT, EMS, ma nisi o laina fa'apitoa.
    4. Mo faʻatonuga tetele, e mafai ona matou vaʻaia i le sami.

    Felauaiga

    Tulaga teuina

    Teu fa'amaufa'ailoga ile vevela ole potu.

    Maumau

    E mumu pe a fa'amavae i se vaifofō fa'aleki fa'alili.

    FAQ

    1. O le a lau MOQ?
    RE: E masani lava o le matou MOQ e 1 kilokalama, ae o nisi taimi e fetuutuunai ma faʻalagolago i oloa.

    2. E iai sau auaunaga pe a uma ona fa'atau?
    Re: Ioe, matou te faʻailoa atu ia te oe le alualu i luma o le faʻatonuga, e pei o le sauniuniga o oloa, faʻaaliga, tulitatao felauaiga, fesoasoani faʻaleaganuʻu, taʻiala faʻapitoa, ma isi.

    3. O le a le umi e mafai ona ou maua ai aʻu oloa pe a uma ona totogi?
    Re: Mo le aofaʻi laʻititi, matou te tuʻuina atu e ala i le avefeʻau (FedEx, TNT, DHL, ma isi) ma e masani ona tau 3-7 aso i lou itu. Afai e te manaʻo e faʻaaoga laina faʻapitoa poʻo felauaiga ea, e mafai foi ona matou tuʻuina atu ma o le a tau e uiga i 1-3 vaiaso.
    Mo le tele, utaina i le sami o le a sili atu. Mo taimi felauaiga, e manaʻomia 3-40 aso, e faʻalagolago i lou nofoaga.

    4. O le a le vave e mafai ai ona matou maua tali imeli mai lau 'au?
    Re: Matou te tali atu ia te oe i totonu ole 3 itula talu ona maua lau suʻesuʻega.

    FAQ

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