| 1. | Ammonium chloride ( nh4cl ) , molecular weight 53 . 49 , corlorless cubic crystal or pulverous , taste briguet . it will sublimat or decompourd when heated and clot in dump weather . it is soluble and can black metal and other metal . it is mainly used in battery , storage battery , ammomium salt , tan , galvan oplasty , medicine , photo , electrode , adhesive and so on 49为无色立方结晶或粉末状,味咸凉,加热升华或分解,在潮湿阴雨天气,吸潮结块,易溶于水,对黑色金属和其它金属有腐蚀。 |