硝酸铬
- 网络Chromium nitrate;Chromic nitrate
硝酸铬
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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。
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 .
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经催化剂性能评价,发现当硝酸铬与助剂摩尔比为1:1.25,锻烧温度在500~550℃之间,所制得的催化剂活性较高。
The results of performance evaluation showed that the catalyst had the highest catalytic activity when the ratio of chromic nitrate to promoter was 1: 1.25 and the calcination temperature was 500 ~ 550 ℃ .