Sodium citrate was used as a complex catalyst for the titanium trichloride to reduce insoluble azo dyes and pigments in acetonitrile-alcohol-water system.

本文提出了在乙腈- 乙醇-水混合溶剂中以柠檬酸钠作络合剂， 三氯化钛还原非水溶性偶氮染料和颜料。

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No matter the outcome, the dispute has become a catalyst for change in a sport known for a complex management structure, heavy bureaucracy and conflicts of interest.

WSJ: Larry Ellison, Indian Wells: Tennis Argues Over Free Money