Calcium carbonate CAS 471-34-1
Calcium carbonate hmoov dawb, tsis muaj ntxhiab thiab tsis qab. Yuav luag tsis yaj hauv dej. Tsis yaj hauv cawv. Ua ib yam tshuaj ua kom cov poov xab, nws tuaj yeem siv rau hauv ntau yam khoom noj uas xav tau ntxiv cov poov xab raws li cov cai ntawm Suav teb, thiab yuav tsum siv rau hauv qhov nruab nrab raws li qhov xav tau ntau lawm; Siv ua cov khoom txhim kho hmoov nplej hauv hmoov nplej, nrog rau qhov ntau tshaj plaws ntawm 0.03g / kg.
| Khoom | Cov Lus Qhia Tshwj Xeeb |
| lub sijhawm kub | 800 °C |
| qhov ceev | 2.93 g/mL ntawm 25 °C (lit.) |
| Qhov kub yaj | 825 °C |
| kev cuam tshuam | 1.6583 |
| UA KOM YAJ | MHCl: 0.1 Mat 20 ° C |
| Cov xwm txheej cia khoom | 2-8°C |
1. Kev kho mob teb
Cov tshuaj calcium ntxiv: siv los tiv thaiv thiab kho cov teeb meem calcium tsis txaus, xws li osteoporosis, tetany, pob txha dysplasia, rickets, thiab kev ntxiv calcium rau cov menyuam yaus, cov poj niam cev xeeb tub thiab cov poj niam pub niam mis, cov poj niam menopausal, thiab cov neeg laus.
Cov tshuaj Antacids: tuaj yeem ua rau cov kua qaub hauv plab tsis muaj zog, txo cov tsos mob xws li mob plab sab saud, kua qaub rov qab los, mob plab, thiab mob plab sab saud uas tshwm sim los ntawm cov kua qaub hauv plab ntau dhau, thiab kuj tseem siv tau los kho cov kab mob xws li mob plab thiab mob plab duodenal, mob plab zom mov, thiab mob plab.
Cov tshuaj sau thiab cov khoom siv ntxiv: txhim kho kev ruaj khov thiab bioavailability ntawm cov tshuaj.
2. Kev lag luam zaub mov
Cov khoom noj khoom haus zoo: ntxiv rau cov khoom noj mis nyuj, dej haus, khoom noj qab haus huv, ncuav mog qab zib, ncuav mog qab zib thiab lwm yam khoom noj kom ua lub luag haujlwm hauv kev ntxiv calcium.
Cov neeg sawv cev tawm: cov neeg sawv cev ua kom cov khoom noj tau los ntawm kev sib xyaw nrog sodium bicarbonate, alum, thiab lwm yam, maj mam tso cov pa roj carbon dioxide thaum cua sov, yog li cov zaub mov tsim cov khoom sib xws thiab mos mos, uas tuaj yeem txhim kho qhov zoo ntawm cov ncuav mog qab zib, mov ci, thiab biscuits.
Cov tshuaj tswj cov kua qaub: siv los kho cov pH ntawm cov khoom noj.
3. Kev lag luam hauv kev lag luam
Cov Khoom Siv Hauv Tsev: Nws yog ib qho ntawm cov khoom siv tseem ceeb ntawm cov cement. Nws tuaj yeem txhim kho lub zog compressive, lub zog flexural thiab lub zog ruaj khov ntawm cov cement, txhim kho kev ua haujlwm ntawm cov cement, txhim kho kev ua haujlwm ntawm av qeeg ntawm cov tsev, thiab kuj tuaj yeem siv los tsim cov txiv qaub ntsuab, plaster, thiab cov ntaub ntawv plastering.
Kev lag luam yas: Ua ib qho khoom sau thiab hloov kho, nws tuaj yeem txhim kho qhov tawv, hnav tsis kam, lub zog cuam tshuam, tiv taus cua sov thiab tiv taus huab cua ntawm cov yas, thaum txo cov nqi tsim khoom. Nws feem ntau siv rau hauv kev sau cov resins xws li polyvinyl chloride (PVC), polyethylene (PE), thiab polypropylene (PP).
Kev lag luam roj hmab: Ua ib qho khoom siv thiab tus neeg sawv cev txhawb nqa, nws tuaj yeem ua rau kom muaj roj hmab ntau ntxiv, txo tus nqi ntawm cov khoom, txhim kho kev ua haujlwm, thiab txhim kho qhov hnav tsis kam, lub zog tsim kua muag, lub zog tensile, modulus, thiab kev o ntawm cov roj hmab vulcanized.
Kev lag luam ua ntawv: Ua ib qho khoom siv ua ntawv thiab txheej xim, nws tuaj yeem ua kom lub zog thiab dawb ntawm daim ntawv ntawm tus nqi qis, pab txhim kho qhov zoo thiab kev ua tau zoo ntawm daim ntawv, thiab kuj tuaj yeem siv rau hauv kev tsim cov ntawv qib siab.
Kev tiv thaiv ib puag ncig: siv ua adsorbent thiab precipitant kom tshem tawm cov tshuaj lom neeg ntawm dej, txo qhov nyuaj ntawm dej, txhim kho dej zoo, thiab kuj tseem siv tau rau kev kho cov roj pov tseg thiab kev kho av.
Lwm cov teb: siv los tsim cov iav, ceramics, electrode phaj, cov ntaub ntawv kho hniav, thiab lwm yam, thiab kuj tseem siv tau ua cov khoom noj khoom haus zoo dua thiab siv rau hauv cov tshuaj pleev ib ce los txhim kho cov tawv nqaij.
Feem ntau ntim rau hauv 25kg / nruas, thiab kuj tuaj yeem ua pob khoom raws li koj xav tau.
Calcium carbonate CAS 471-34-1
Calcium carbonate CAS 471-34-1
