Manganese Dioxide
Manganese dioxide, Manganese (IV) oxide
| Synonyms | Pyrolusite, hyperoxide ntawm manganese, dub oxide ntawm manganese, manganic oxide |
| Cas No. | 13113-13-9 |
| Tshuaj Formula | MnO2 |
| Molar Mass | 86,9368 g / mol |
| Qhov tshwm sim | Brown-dub khoom |
| Qhov ntom | 5.026 g / cm3 |
| Melting Point | 535 ° C (995 ° F; 808 K) (decomposes) |
| Solubility hauv dej | Insoluble |
| Sib nqus Susceptibility (χ) | +2280.0·10–6 cm3/mol |
General Specification rau Manganese Dioxide
| MnO2 | Fe | SiO 2 | S | P | Moisture | Qhov Loj (Mesh) | Daim ntawv thov pom zoo |
| ≥30% | ≤ 20% | ≤ 25% | ≤0.1% | ≤0.1% | ≤ 7% | 100-400 | Cib, Pobzeb |
| ≥40% | ≤ 15% | ≤ 20% | ≤0.1% | ≤0.1% | ≤ 7% | 100-400 | |
| ≥50% | ≤ 10% | ≤ 18% | ≤0.1% | ≤0.1% | ≤ 7% | 100-400 | Tsis-ferrous hlau smelting, desulfurization thiab denitrification, manganese sulfate |
| ≥55% | ≤ 12% | ≤ 15% | ≤0.1% | ≤0.1% | ≤ 7% | 100-400 | |
| ≥60% | ≤8% | ≤ 13% | ≤0.1% | ≤0.1% | ≤ 5% | 100-400 | |
| ≥65% | ≤8% | ≤ 12% | ≤0.1% | ≤0.1% | ≤ 5% | 100-400 | iav, ceramics, cement |
| ≥70% | ≤ 5% | ≤ 10% | ≤0.1% | ≤0.1% | ≤ 4% | 100-400 | |
| ≥75% | ≤ 5% | ≤ 10% | ≤0.1% | ≤0.1% | ≤ 4% | 100-400 | |
| ≥80% | ≤ 3% | ≤8% | ≤0.1% | ≤0.1% | ≤ 3% | 100-400 | |
| ≥85% | ≤ 2% | ≤8% | ≤0.1% | ≤0.1% | ≤ 3% | 100-40 |
Enterprise Specification rau Electrolytic Manganese Dioxide
| Cov khoom | Chav tsev | Pharmaceutical Oxidation & Catalytic Qib | P Hom Zinc Manganese Qib | Mercury-Free Alkaline Zinc-Manganese Dioxide Roj teeb Qib | Lithium Manganese Acid Qib | |
| HEMD | TEMD | |||||
| Manganese Dioxide (MnO2) | % | 90.93 ib | 91.22 ib | 91.2 ib | ≥92 | ≥93 |
| Cov dej noo (H2O) | % | 3.2 | 2.17 | 1.7 | ≤0.5 | ≤0.5 |
| Hlau (Fe) | ppm ua | 48.2 ib | 65 | 48.5 ib | ≤100 | ≤100 |
| Copper (Cu) | ppm ua | 0.5 | 0.5 | 0.5 | ≤10 | ≤10 |
| Lead (Pb) | ppm ua | 0.5 | 0.5 | 0.5 | ≤10 | ≤10 |
| Nickel (Ni) | ppm ua | 1.4 | 2.0 | 1.41 ib | ≤10 | ≤10 |
| Cobalt (zeeg) | ppm ua | 1.2 | 2.0 | 1.2 | ≤10 | ≤10 |
| Molybdenum (hli) | ppm ua | 0.2 | - | 0.2 | - | - |
| Mercury (Hg) | ppm ua | 5 | 4.7 | 5 | - | - |
| Sodium (Na) | ppm ua | - | - | - | - | ≤300 |
| Potassium (K) | ppm ua | - | - | - | - | ≤300 |
| Insoluble Hydrochloric Acid | % | 0.5 | 0.01 ib | 0.01 ib | - | - |
| Sulfate | % | 1.22 | 1.2 | 1.22 | ≤1.4 | ≤1.4 |
| Tus nqi PH (txiav txim siab los ntawm txoj kev dej distilled) | - | 6.55 ib | 6.5 | 6.65 ib | 4 ~ 7 | 4 ~ 7 |
| Ib cheeb tsam tshwj xeeb | m2/g | 28 | - | 28 | - | - |
| Coj mus rhaub ceev | g/l | - | - | - | ≥2.0 | ≥2.0 |
| Particle Loj | % | 99.5 (-400 mesh) | 99.9 (-100 mesh) | 99.9 (-100 mesh) | 90 ≥ (-325 mesh) | 90 ≥ (-325 mesh) |
| Particel Loj | % | 94.6 (-600 mesh) | 92.0 (-200 mesh) | 92.0 (-200 mesh) | Raws li Kev Xav Tau | |
Enterprise Specification rau Featured Manganese Dioxide
| Yam khoom | MnO2 | Cov yam ntxwv ntawm cov khoom | ||||
| Activated Manganese Dioxide C Hom | ≥75% | Nws muaj cov txiaj ntsig zoo xws li γ-hom siv lead ua qauv, thaj chaw loj tshwj xeeb, kev ua haujlwm ua kua zoo, thiab kev ua haujlwm tawm; | ||||
| Activated Manganese Dioxide P Hom | ≥82% | |||||
| Ultrafine Electrolytic Manganese Dioxide | ≥91.0% | Cov khoom muaj me me me me (tseem ceeb tswj tus nqi pib ntawm cov khoom nyob rau hauv 5μm), nqaim particle loj faib ntau yam, γ-hom siv lead ua daim ntawv, siab purity, muaj zog stability, thiab zoo dispersion nyob rau hauv hmoov (Lub diffusion quab yuam yog ho. siab tshaj ntawm cov khoom ib txwm siv los ntawm ntau tshaj 20%), thiab nws yog siv nyob rau hauv colorants nrog siab xim saturation thiab lwm yam superior zog; | ||||
| High Purity Manganese Dioxide | 96% -99% | Tom qab ntau xyoo ntawm kev ua haujlwm nyuaj, UrbanMines tau ua tiav kev ua haujlwm siab-purity manganese dioxide, uas muaj cov yam ntxwv ntawm kev muaj zog oxidation thiab muaj zog tawm. Tsis tas li ntawd, tus nqi muaj qhov zoo dua li electrolytic manganese dioxide; | ||||
| γ Electrolytic Manganese Dioxide | Raws li Kev Xav Tau | Vulcanizing tus neeg sawv cev rau cov roj hmab polysulfide, ntau lub luag haujlwm CMR, haum rau halogen, huab cua-resistant roj hmab, siab ua haujlwm, kub tsis kam, thiab ruaj khov; | ||||
Manganese Dioxide siv rau dab tsi?
* Manganese Dioxide tshwm sim ib yam li cov ntxhia pyrolusite, uas yog qhov chaw ntawm manganese thiab tag nrho nws cov tebchaw; Siv los ua manganese hlau ua oxidizer.
*MnO2 feem ntau yog siv los ua ib feem ntawm cov roj teeb ntawm tes qhuav: cov roj teeb alkaline thiab lub npe hu ua Leclanché cell, lossis zinc-carbon batteries. Manganese Dioxide tau ua tiav siv los ua cov khoom siv roj teeb uas pheej yig thiab muaj ntau. Thaum xub thawj, ib txwm tshwm sim MnO2 tau siv ua raws li kev siv tshuaj lom neeg manganese dioxide txhim kho kev ua haujlwm ntawm Leclanché roj teeb. Tom qab ntawd, qhov ua tau zoo dua electrochemically npaj manganese dioxide (EMD) tau siv los txhim kho lub peev xwm ntawm tes thiab tus nqi peev xwm.
* Ntau yam kev lag luam suav nrog kev siv MnO2 hauv ceramics thiab iav ua raws li cov xim inorganic. Siv hauv glassmaking kom tshem tawm cov xim ntsuab los ntawm cov hlau impurities. Rau ua amethyst iav, decolorizing iav, thiab pleev xim rau cov plooj (porcelain), faience, thiab majolica;
* Cov nag lossis daus ntawm MnO2 yog siv rau hauv electrotechnics, pigments, browning phom chim, raws li drier rau xim thiab varnishes, thiab rau printing thiab dyeing textiles;
* MnO2 kuj tseem siv los ua cov xim thiab ua cov khoom ua ntej rau lwm cov manganese tebchaw, xws li KMnO4. Nws yog siv los ua ib qho reagent hauv cov organic synthesis, piv txwv li, rau oxidation ntawm allylic alcohols.
* MnO2 kuj tseem siv rau hauv daim ntawv thov kev kho dej.
