鹼式碳酸鉛是一種無機化合物,化學式為Pb3(OH)2(CO3)2,有時寫作2PbCO3·Pb(OH)2。周易參同契中有句:胡粉投火中,色壞還為鉛。裏面胡粉指的是此物。
製備
稱量乙酸鉛並溶於水,配製成0.1mol/L的溶液。將溶液煮沸,通入二氧化碳,析出鹼式碳酸鉛沉澱。其它製法還有將碳酸鈉溶液加入硝酸鉛溶液中,或將氯化鉛或硫酸鉛在碳酸鈉溶液中煮沸,都能得到鹼式碳酸鉛。[3]
參考文獻
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