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Mankhwala ena

  • Wopanga Mtengo Wabwino Sodium fluoride CAS: 7681-49-4

    Wopanga Mtengo Wabwino Sodium fluoride CAS: 7681-49-4

    Sodium fluoride: NAF; SF;Inorganic Fluoride; Maselo Kulemera: 41.99 Thupi ndi mankhwala katundu: colorless chonyezimira galasi kapena ufa woyera, mphamvu yokoka enieni 2.25, kusungunuka mfundo 993C kuwira mfundo 1695C.Zosungunuka m'madzi (kusungunuka 10C366,206 406,300422,40C 4.4.60C468.80-C4.89,100 "C508), hydrogen mphunzitsi asidi, sungunuka pang'ono mowa.Njira yamadzimadzi ndi yofooka yamchere, yosungunuka mu hydrofluoric acid ndi sodium fluoride, imatha kuwononga galasi.Zowopsa!.
    Sodium fluoride CAS 7681-49-4 NaF;Inorganic fluoride;UN NO 1690;Mulingo wangozi: 6.1
    EINECS NO 231-667-8
    Dzina la mankhwala: Sodium fluoride

    CAS: 7681-49-4

  • Wopanga Mtengo Wabwino Potaziyamu Hydroxide CAS:1310-58-3

    Wopanga Mtengo Wabwino Potaziyamu Hydroxide CAS:1310-58-3

    Potaziyamu Hydroxide: Potaziyamu hydroxide (chilinganizo chamankhwala:KOH, kuchuluka kwa formula:56.11) ufa woyera kapena flake wolimba.Malo osungunuka ndi 360 ~ 406 ℃, malo otentha ndi 1320 ~ 1324 ℃, kachulukidwe kachibale ndi 2.044g / cm, flash point ndi 52 ° F, refractive index ndi N20 / D1.421, mphamvu ya nthunzi ndi 1mmHg. (719 ℃).Wamphamvu zamchere komanso zowononga.Ndikosavuta kuyamwa chinyezi mumlengalenga ndi deliquescence, ndikuyamwa carbon dioxide mu potaziyamu carbonate.Kusungunuka mu pafupifupi 0,6 mbali madzi otentha, 0,9 mbali madzi ozizira, 3 mbali Mowa ndi 2.5 mbali glycerol.Mukasungunuka m'madzi, mowa, kapena kuthandizidwa ndi asidi, kutentha kwakukulu kumapangidwa.PH ya 0.1mol/L yankho inali 13.5.Kawopsedwe wapakatikati, mlingo wakupha wapakatikati (makoswe, pakamwa) 1230mg/kg.Kusungunuka mu ethanol, kusungunuka pang'ono mu ether.Ndi zamchere kwambiri komanso zimawononga
    Potaziyamu Hydroxide CAS 1310-58-3 KOH;UN NO 1813;Mulingo wowopsa: 8
    Dzina la mankhwala: Potaziyamu Hydrooxide

    CAS: 1310-58-3

  • Wopanga Mtengo Wabwino CalciumAlumina Cement CAS:65997-16-2

    Wopanga Mtengo Wabwino CalciumAlumina Cement CAS:65997-16-2

    CalciumAlumina Cement ndi simenti yokhala ndi calcium calcium kapena calcium aluminium monga gawo lake lalikulu la mchere.Zimapangidwa ndi aluminiyamu yachilengedwe kapena aluminiyamu ya mafakitale ndi calcium carbonate (mwala wa laimu) molingana ndi gawo linalake, lomwe limapangidwa ndi kuyaka kapena kusungunuka kwamagetsi.
    Zosakaniza ndi magulu: CalciumAlumina simenti akhoza kugawidwa mu wamba zotayidwa kashiamu kashiamu simenti (al2O3 53-72%, CAO 21-35%) ndi koyera zotayidwa kashiamu simenti (al2O3 72-82%, CAO 19-23 %) Magulu awiri.Wamba zotayidwa simenti simenti akhoza kugawidwa mu otsika -chitsulo mtundu (FE2O3 <2%) ndi mkulu -liwiro njanji mtundu (Fe2O37-16%).Low -njanji -mtundu zotayidwa -mtundu kashiamu simenti akhoza kugawidwa mu alum nthaka simenti (Al2O353 ~ 56 %, CAO 33-35%), zotayidwa -60 simenti (al2O359% mpaka 61%, CAO 27-31%), ndi otsika - calcium aluminium asidi simenti (Al2O3 65-70%, CAO 21 mpaka 24%).Koyera zotayidwa kashiamu simenti akhoza kugawidwa mu mitundu iwiri: Al2O3 72-78%) ndi kopitilira muyeso - mkulu zotayidwa mtundu (Al2O3 78-85%).Kuphatikiza apo, pali simenti yofulumira komanso yolimba yolimba ya aluminium calcium.

    CAS: 65997-16-2