Phenolphthalein CAS 77-09-8 tau falegaosimea

Fa'amatalaga Puupuu:

oloa siiatoa Phenolphthalein CAS 77-09-8

igoa ole oloa:Phenolphthalein

CAS:77-09-8

MF:C20H14O4

MW:318.32

EINECS:201-004-7

Uiga:gaosimea

afifi:1 kilokalama / kilokalama poʻo 25 kilokalama / paʻu

Auina imeli ia matou

Fa'amatalaga Oloa

Faailoga o oloa

Fa'amatalaga

Igoa o 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'ailoga fa'avae oona, fa'ailo titration e le-aqueous, 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 auala 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 FedEx, DHL, TNT, EMS, ma nisi o laina fa'apitoa.
4. Mo faʻatonuga tetele, e mafai ona matou vaʻaia i le sami.

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Maumau

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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.