Barium Hydroxide (Barium Dihydroxide) Ba(OH)2∙ 8H2O 99%
Cov Khoom ntawm Barium hydroxide
| Lwm lub npe | Barium hydroxide monohydrate, Barium hydroxide octahydrate |
| CAS No. | 17194-00-2 |
| 22326-55-2 (monohydrate) | |
| 12230-71-6 (octahydrate) | |
| Cov mis tshuaj | Ba(OH)2 |
| Qhov hnyav ntawm cov molar | 171.34g/mol (anhydrous), |
| 189.355g/mol(monohydrate) | |
| 315.46g/mol(octahydrate) | |
| Qhov tsos | dawb khov kho |
| Qhov Ceev | 3.743g/cm3(monohydrate) |
| 2.18g/cm3(octahydrate, 16°C) | |
| Qhov kub yaj | 78°C(172°F;351K)(octahydrate) |
| 300 ° C (monohydrate) | |
| 407 ° C (tsis muaj dej) | |
| Kub taw tes | 780°C(1,440°F;1,050K) |
| Kev yaj hauv dej | qhov hnyav ntawm BaO (tsis yog Ba(OH)2): |
| 1.67g/100mL (0°C) | |
| 3.89g/100mL (20°C) | |
| 4.68g/100mL (25°C) | |
| 5.59g/100mL (30°C) | |
| 8.22g/100mL (40°C) | |
| 11.7g/100mL (50°C) | |
| 20.94g/100mL (60°C) | |
| 101.4g/100mL (100°C) [yuav tsum muaj lus hais] | |
| Kev yaj hauv lwm cov kuab tshuaj | qis |
| Qhov yooj yim (pKb) | 0.15 (thawj OH–), 0.64 (thib ob OH–) |
| Kev cuam tshuam sib nqus (χ) | −53.2·10−6cm3/mol |
| Refractive index (nD) | 1.50 (octahydrate) |
Cov Lus Qhia Txog Kev Lag Luam rau Barium Hydroxide Octahydrate
| Khoom No. | Cheebtsam Tshuaj | |||||||
| Ba(OH)2∙8H2O ≥ (wt%) | Txawv Teb Chaws Mat.≤ (wt%) | |||||||
| BaCO3 | Cov tshuaj chlorides (raws li chlorine) | Fe | HCI tsis yaj | Sulfuric acid tsis yog sediment | Txo cov iodine (raws li S) | Sr(OH)2∙8H2O | ||
| UMBHO99 | 99.00 | 0.50 | 0.01 | 0.0010 | 0.020 | 0.10 | 0.020 | 0.025 |
| UMBHO98 | 98.00 | 0.50 | 0.05 | 0.0010 | 0.030 | 0.20 | 0.050 | 0.050 |
| UMBHO97 | 97.00 | 0.80 | 0.05 | 0.010 | 0.050 | 0.50 | 0.100 | 0.050 |
| UMBHO96 | 96.00 | 1.00 | 0.10 | 0.0020 | 0.080 | - | - | 1.000 |
【Ntim】25kg/hnab, hnab yas woven lined.
Barium Hydroxide thiab Barium Hydroxide Octahydrate siv rau dab tsi?
Barium Hydroxide [Ba(OH)₂ & Ba(OH)₂·8H₂O]- Cov Ntawv Thov thiab Siv
Barium Hydroxide, muaj ob hom anhydrous thiab octahydrate, yog ib hom alkali uas siv tau ntau yam thiab muaj txiaj ntsig zoo rau kev lag luam, chaw kuaj mob, thiab kev tsim tshuaj lom neeg. Nws muaj zog basicity thiab reactivity tshwj xeeb nrog anions xws li sulfate thiab carbonate ua rau nws yog ib qho tshuaj ua haujlwm tseem ceeb thiab cov tshuaj precursor.
Cov Ntawv Thov Tseem Ceeb thiab Kev Lag Luam:
1. Kev Tsim Tshuaj Lom Zem & Cov Khoom Siv Ua Ntej Hauv Kev Lag Luam
Barium Hydroxide ua haujlwm ua cov khoom siv pib tseem ceeb rau kev tsim ntau yam ntawm lwm cov tshuaj barium.
* Cov Ntshav Barium: Nws yog cov khoom siv tseem ceeb rau kev tsim ntau yam ntsev barium, suav nrog barium chloride, barium nitrate, thiab barium stearate.
* Kev Tsim Khoom Siv Organic: Siv dav hauv kev tsim cov tshuaj barium-based organic compounds, uas ua haujlwm ua cov catalysts lossis stabilizers hauv kev lag luam yas thiab roj hmab.
2. Tus Neeg Sawv Cev Rau Kev Lag Luam Thiab Kev Kho Mob
Nws cov khoom siv tshuaj lom neeg tau siv rau kev ntxuav, kho, thiab kho dua tshiab hauv ntau cov txheej txheem.
* Kev Kho Dej & Kev Ua Kom Mos: Tshem tawm cov sulfate thiab carbonate anions ntawm cov dej ntws hauv cov chaw lag luam, tiv thaiv kev tsim cov nplai hauv cov boilers thiab cov tshuab cua txias.
* Tus Neeg Sawv Cev Qhuav Dej: Daim ntawv monohydrate muaj txiaj ntsig zoo rau kev qhuav ntau yam kua organic thiab tshem tawm cov dej me me ntawm cov khoom.
* Kev Ua Qab Zib: Siv rau hauv cov txheej txheem ntxuav qab zib kom tshem tawm cov khoom tsis huv.
* Kev Lag Luam Roj thiab Roj: Ua haujlwm ua tus neeg sawv cev saponification hauv kev kho thiab hloov kho cov roj tsiaj thiab zaub rau kev tsim roj.
3. Kev Tshawb Fawb Txog Tshuaj thiab Kev Tshuaj Xyuas
Hauv chav kuaj mob, Barium Hydroxide muaj nqis rau nws cov peev xwm txheeb xyuas tau meej.
* Kev Titration ntawm Cov Acids Tsis Muaj Zog: Nws lub zog muaj zog ua rau nws yog ib qho tshuaj zoo heev rau kev titration ntawm cov acids tsis muaj zog, tshwj xeeb tshaj yog cov organic acids, muab qhov kawg ntse.
* Tshuaj reagent rau Carbon Dioxide (CO₂): Siv ua ib qho tshuaj reagent rhiab heev los ntes thiab nqus CO₂, vim nws tsim cov barium carbonate uas tsis yaj.
4. Kev Tsim Khoom & Cov Ntawv Thov Ntxiv
* Iav & Ceramics: Ib qho tshuaj ntxiv rau hauv kev tsim cov iav thiab ceramic glazes, txhim kho qhov ci ntsa iab thiab ruaj khov.
* Roj Hmab Ua Los Ntawm Khoom Siv: Ua haujlwm ua tus neeg sawv cev vulcanizing hauv kev tsim cov roj hmab ua los ntawm khoom siv, txhim kho nws cov khoom siv kho tshuab.
* Tshuaj tua kab thiab tshuaj tiv thaiv xeb: Ib qho tseem ceeb hauv kev tsim cov tshuaj tua kab thiab tshuaj tiv thaiv xeb hauv kev lag luam.
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Cov Yam Ntxwv Tseem Ceeb & Cov Txiaj Ntsig:
* Kev Ua Haujlwm Siab: Ua tau zoo li lub hauv paus muaj zog thiab tus neeg sawv cev rau cov anions tshwj xeeb.
* Cov Khoom Siv Ua Ntej Ntau Yam: Ib qho khoom noj tseem ceeb rau ntau yam khoom sib xyaw barium.
* Ntau Hom: Muaj ua Anhydrous, Monohydrate, thiab Octahydrate kom haum rau cov txheej txheem tshwj xeeb (piv txwv li, octahydrate feem ntau nyiam rau nws txoj kev tuav thiab cov yam ntxwv solubility).
Lus Ceeb Toom: Cov ntaub ntawv no yog rau kev piav qhia xwb. Cov tshuaj barium yuav tsum tau siv nrog kev ceev faj txog kev nyab xeeb. Nws yog lub luag haujlwm ntawm tus neeg siv los xyuas kom meej tias muaj kev nyab xeeb thiab txiav txim siab seb cov khoom siv tau rau lawv daim ntawv thov tshwj xeeb raws li txhua txoj cai hauv zos, xeev, thiab tsoomfwv.
