chromic nitrate英美网络 硝酸铬机械双语例句The method has been applied to the determination of trace amount of Cr(ⅵ) in chromic nitrate and chromic chloride. The results obtained are satisfactory.用于硝酸铬及氯化铬中痕量铬（Ⅵ）的测定，得到了满意的结果。
