工業級氫(qing)氧化(hua)(hua)鈣具有腐(fu)蝕性:弱酸堿性:呈堿性產品(pin)英(ying)文名(ming) Calcium hydroxide,Hydrated lime,Slaked lime,Lime,hydrated,limewater產品(pin)別名(ming):消(xiao)(xiao)石(shi)(shi)灰(hui)(hui),熟石(shi)(shi)灰(hui)(hui)(ShúShíHuī) ,石(shi)(shi)灰(hui)(hui)水(shui)(shui)(shui)(溶(rong)液),石(shi)(shi)灰(hui)(hui)乳(ru)(懸(xuan)(xuan)濁液),石(shi)(shi)灰(hui)(hui)漿(懸(xuan)(xuan)濁液)。 化(hua)(hua)學式:Ca(OH)2制(zhi)備(bei)方法:將生石(shi)(shi)灰(hui)(hui)溶(rong)于水(shui)(shui)(shui),即(ji)CaO+H2O=Ca(OH)2相(xiang)對(dui)(dui)分(fen)子質量為:約74溶(rong)解(jie)(jie)度(du)(du):氫(qing)氧化(hua)(hua)鈣溶(rong)解(jie)(jie)度(du)(du)隨溫度(du)(du)升高(gao)而降低 隨溫度(du)(du)降低而升高(gao)別名(ming):消(xiao)(xiao)石(shi)(shi)灰(hui)(hui), 熟石(shi)(shi)灰(hui)(hui)基本用途 :用于制(zhi)漂,硬水(shui)(shui)(shui)軟化(hua)(hua)劑,改良(liang)土壤酸性,自來水(shui)(shui)(shui)消(xiao)(xiao)毒(du)澄清(qing)劑及(ji)建(jian)筑工業等(deng)。 消(xiao)(xiao)石(shi)(shi)灰(hui)(hui)粉(fen)毒(du)性防護 其粉(fen)塵或懸(xuan)(xuan)浮液滴對(dui)(dui)粘膜(mo)有作用,能(neng)(neng)引起噴嚏和咳嗽,和堿一樣能(neng)(neng)使脂肪(fang)皂化(hua)(hua),從(cong)皮膚吸(xi)(xi)收水(shui)(shui)(shui)分(fen),溶(rong)解(jie)(jie)蛋白質,及(ji)腐(fu)蝕組織(zhi)。吸(xi)(xi)入(ru)(ru)石(shi)(shi)灰(hui)(hui)粉(fen)塵可能(neng)(neng)引起肺炎。高(gao)容(rong)許濃度(du)(du)為5mg/m3。吸(xi)(xi)入(ru)(ru)粉(fen)塵時,可吸(xi)(xi)入(ru)(ru)水(shui)(shui)(shui)蒸氣(qi),及(ji)猶奧寧,在(zai)胸廓處。

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