Cov khoom lag luam
Sodium hydroxide tov tshwm sim raws li cov kua tsis muaj xim tab sis ntau dua li cov tawv nqaij {}. pakic los ntawm kev noj ing.
| Kev tshwm sim | Dawb, opaque muaju |
| Tus ntxhiab | Tsw |
| Ceev | 2.13 g / cm3 |
| Melting taw tes | 323 Qib (613 Qib F; 596 K) |
| Kub taw tes | 1,388℃(2,530℃f; 1,661 k) |
|
Solubility hauv dej |
418 g / l ({0 degree) 1000 g / l (25 degree) 3370 g / l (100 degree) |
| So | Soluble hauv glycerol, negrigible hauv ammonia, insoluble hauv ether, maj mam soluble hauv propylene glycol |
| Solubility hauv methanol | 238 g/L |
| Solubility hauv ethanol | 139 g/L |
| Vapor siab | <2.4 kPa (20 °C) 0.1 kpa (700 degree) |
| Acidity (PKa) | 13.9 (NA+) |
| Basyity (PKb) | 0.0 (Oh−) |
|
Sib Nqus Tau Zoo (χ) |
−15.8·10−6cm3/ mol (aq .) |
|
Cov indexial index (nD) |
1.3576 |
Kev siv
- Muaj cov teb: sodium hydroce kev daws teeb meem yog ib qho tseem ceeb siv tshuaj lom neeg cov khoom siv, luam ntawv thiab dyeing thiab lwm yam kev lag luam .
- Dej kho: nws yog siv los kho cov dej pH ntawm cov dej thiab tshem cov hlau hnyav thiab lwm yam impurities hauv dej .
- Kev lag luam khoom noj: sodium hydroce kev daws yuav tuaj yeem siv cov khoom noj khoom haus thiab ua cov yeeb yaj kiab ua noj ua haus thiab ua cov chocolate .
Tuam txhab tau
GneebioMuaj ntau yam khoom lag luam, suav nrog cov khoom siv organic, thiab siv tau dav hauv kev tsim tawm cov {{.}} rau cov chaw tsim hluav taws xob, peb siv zoo Craftsmanship thiab nruj kev soj ntsuam .
Txais tos tiv tauj peb kom paub meej ntxiv, peb yuav muab koj tus nqi sib tw tshaj plaws!
Tshuaj Txhuam Cov Khoom Siv Tshuaj Txiaj Ntsig
Gneebio Companpress Ib puag ncig
Cov neeg muas zaub mus xyuas GNEEBio Group
Tshuaj Txhuam Siv Khoom Siv Tshuaj Txhuam - Gneebio
Cov FAQ
Q: Yuav ua li cas thiaj tau txais ib qho qauv?
A: Yog tias koj xav tau cov qauv, thov sib txuas lus nrog peb .
Q: Koj puas yog chaw tsim khoom?
A: Peb yog cov chaw tsim tshuaj tshaj lij, muab OEM ODM thiab cov kev pabcuam customized nrog ntau dua 100 xyoo kev.
Q: Txoj kev them nyiaj yog dab tsi?
A: Peb lub sijhawm them nyiaj yog T / T 30% ua ntej, 70% tom qab tau txais daim ntawv B / L (D / P
Q: Koj txoj kev kuaj xyuas kom zoo ua haujlwm li cas?
A: Peb muaj cov kws tshaj lij QC uas ua peb puag ncig zoo kev tshuaj xyuas kom ntseeg tau tias cov khoom xa tawm yog tsis muaj teeb meem .
Q: Yuav ua li cas txog koj tus nqi?
A: Hoobkas nqe {{}}} Koj tuaj yeem xa koj cov lus nug (cov khoom lag luam, qhov chaw koj tuaj yeem tiv toj nrog koj tsis pub dhau 24 teev.
Cim npe nrov: Tshuaj Lom Cov Khoom Siv RAW Sodium hydroce