産品性(xing)質雕白(bái)塊性質(zhì):【化學名(míng)稱】次硫(liu)酸氫鈉(na)甲醛【分(fen)子💔式】NaHSO2CH20 2H20【分(fen)子量】154.12【比(bi)重】1.8【熔點(dian)】64℃【熔化熱(rè)】54.长泽🔞梓全集❌84KJ/mol (13.2KCal/mol)【吸濕點(diǎn)】相對濕(shī)度60%【穩定(ding)點】小于(yú)50℃【溶解度(du)】20℃時,1份雕(diāo)白塊需(xū)1.2份水溶(rong)解(45%);70℃時,1份(fen)雕白塊(kuai)需1…
産品(pin)性質雕(diao)白塊性(xing)質:【化學(xué)名稱】次(cì)硫酸氫(qīng)鈉甲醛(quán)【分☁️子式(shì)】NaHSO2CH20 2H20【分子量(liàng)】154.12【比重】1.8【熔(rong)點】64℃【熔化(huà)熱】54.84KJ/mol (13.2KCal/mol)【吸濕(shi)點】相對(dui)濕度♊60%【穩(wen)定點】小(xiao)于50℃【溶解(jiě)度】20℃時,1份(fèn)雕白塊(kuai)需1.2份水(shuǐ)溶解(45%);70℃時(shi),1份雕白(bái)塊需1…
産(chan)品性質(zhì)雕白塊(kuài)性質:【化(hua)學名稱(chēng)】次硫酸(suan)氫鈉甲(jia)醛【分子(zǐ)☎️式】NaHSO2CH20 2H20【分♊子(zǐ)🌈量】154.12【比重(zhòng)】1.8【熔點】64℃【熔(rong)化熱】54.84KJ/mol (13.2KCal/mol)【吸(xi)濕點】相(xiàng)對濕度(dù)60%【穩定點(dian)】小于50℃【溶(róng)解度】20℃時(shi),1份雕白(bái)塊需1.2份(fèn)水溶解(jie)(45%);70℃時,1份雕(diao)白塊㊙️需(xu)1…
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