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Onye nrụpụta ezigbo ọnụ ahịa sodium fluoride CAS: 7681-49-4
Sodium fluoride: NaF;SF;Fluoride inorganic; arọ molecular: 41.99 Njirimara anụ ahụ na kemịkalụ: kristal na-acha ọcha ma ọ bụ ntụ ntụ na-enweghị agba, ike ndọda 2.25, ebe agbaze 993C ebe esi 1695C.Soluble na mmiri (solubility 10C366,206 406,300422,40C 4.4.60C468.80-C4.89,100 "C508), hydrogen nkụzi acid, dịtụ soluble na mmanya.Ihe ngwọta mmiri bụ alkaline na-adịghị ike, soluble na hydrofluoric acid na n'ime sodium fluoride, nwere ike imebi iko.Nsi!.
Sodium fluoride CAS 7681-49-4 NaF;Fluoride inorganic;UN NO 1690;Ọkwa ihe egwu: 6.1
EINECS NO 231-667-8
Aha ngwaahịa: Sodium fluorideỌkụ: 7681-49-4
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Onye nrụpụta ezigbo ọnụahịa Potassium Hydroxide CAS: 1310-58-3
Potassium Hydroxide: Potassium hydroxide (usoro kemịkalụ: KOH, usoro nke ukwuu: 56.11) ntụ ntụ ọcha ma ọ bụ flake siri ike.The agbaze ebe bụ 360 ~ 406 ℃, na esi ebe bụ 1320 ~ 1324 ℃, ndị ikwu njupụta bụ 2.044g / cm, flash ebe bụ 52 ° F, refractive index bụ N20 / D1.421, na uzuoku mgbali bụ 1mmHg (719 ℃).alkaline siri ike na corrosive.Ọ dị mfe itinye mmiri n'ikuku na agụụ, na itinye carbon dioxide n'ime potassium carbonate.Soluble na banyere 0,6 akụkụ mmiri ọkụ, 0,9 akụkụ mmiri oyi, 3 akụkụ ethanol na 2.5 akụkụ glycerol.Mgbe agbazere na mmiri, mmanya na-aba n'anya, ma ọ bụ jiri acid gwọọ ya, a na-emepụta nnukwu okpomọkụ.Ngwọta pH nke 0.1mol/L bụ 13.5.Nsi na-agafeghị oke, oke na-egbu egbu (oke, ọnụ) 1230mg/kg.Soluble na ethanol, ntakịrị soluble na ether.Ọ bụ nnukwu alkaline na corrosive
Potassium Hydroxide CAS 1310-58-3 KOH;UN NO 1813;Ọkwa ihe egwu: 8
Aha ngwaahịa: Potassium HydroxideIsi: 1310-58-3
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Onye nrụpụta ezigbo ọnụ ahịa Calcium Alumina Cement CAS: 65997-16-2
CalciumAlumina ciment bụ ciment nwere calcium calcium ma ọ bụ calcium aluminom dị ka isi ihe mejupụtara ya.A na-eme ya nke aluminom eke ma ọ bụ ụlọ ọrụ mmepụta ihe na calcium carbonate (limestone) dịka akụkụ ụfọdụ, nke a na-eme site na ọkụ ma ọ bụ agbaze ọkụ.
Efrata na edemede: CalciumAlumina ciment nwere ike kewaa n'ime nkịtị aluminum calcium calcium ciment (al2O3 53-72%, CAO 21-35%) na dị ọcha aluminum calcium ciment (al2O3 72-82%, CAO 19-23 %) abụọ edemede.Enwere ike kewaa ciment ciment nkịtị n'ime ụdị obere ígwè (FE2O3 <2%) na ụdị ụgbọ oloko dị elu (Fe2O37-16%).Low -rail -ụdị aluminum -ụdị calcium ciment nwere ike kewaa n'ime alum ala ciment (Al2O353 ~ 56 %, CAO 33-35%), aluminum -60 ciment (al2O359% ka 61%, CAO 27-31%), na ala -calcium aluminum acid ciment (Al2O3 65-70%, CAO 21 ruo 24%).Enwere ike kee simenti calcium dị ọcha na ụdị abụọ: Al2O3 72-78%) na ụdị aluminom ultra-high (Al2O3 78-85%).Na mgbakwunye, enwere ciment aluminom calcium siri ike na ngwa ngwa.CAS: 65997-16-2
