Incorporating potassiumdichromate and alcohol into the aniline at various stages of the experimental process, he finally produced a deep purple solution.
在实验过程的不同阶段，他将重铬酸钾和酒精加入苯胺中，最终得到了深紫色的溶液。
2
I let the silver nitrate react with pieces of brain hardened in potassiumdichromate.
我让已被重铬酸钾硬化的一些脑组织细胞与硝酸银反应。
3
To remove main disturbing ion, chlorine ion in the COD potassiumdichromate reflux method, silver sulfate replaces mercury sulfate as a screening agent.