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碳酸氫鈉

 
 
單價 面議對比
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發(fā)貨 廣東付款后3天內(nèi)
過期 長期有效
更新 2020-10-21 13:57
 

廣州澤盛藥業(yè)科技有限公司

企業(yè)會員第6年
資料未認(rèn)證
保證金未繳納
  • 廣東
  • 上次登錄 2021-04-14
  • 王晟越 (先生)  
詳細(xì)說明

物理性質(zhì)

白色晶體,或不透明單斜晶系細(xì)微結(jié)晶,無臭、味咸,可溶于水,不溶于乙醇。在水中溶解度為7.8g(18℃)、16.0g(60℃

化學(xué)性質(zhì)

常溫下性質(zhì)穩(wěn)定,受熱易分解,在50℃以上迅速分解,在270℃時完全失去二氧化碳,在于燥空氣中無變化,在潮濕空氣中緩慢分解。既能與酸反應(yīng)又能與堿反應(yīng)。與酸反應(yīng)生成相應(yīng)的鹽、水和二氧化碳,與堿反應(yīng)生成相應(yīng)的碳酸鹽和水。除此之外,還能與某些鹽反應(yīng),與氯化鋁和氯酸鋁發(fā)生雙水解,生成氫氧化鋁和鈉鹽還有二氧化碳
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