The soy sauce containing urea will become red when heated together with diacetyldioxime and phosphoric acid.

掺有尿素在与丁二酮肟、磷酸混合后,加热沸会呈现红色。

The method for the determination of nickel in stainless steel by rapid spectrophotometric with diacetyldioxime is set up.

建立测定不锈钢丁二酮肟快速光度法。