Based on the catalytic effect of thiocyanate on the oxidation of alizarine red by potassium bromate,a new catalytic spectrophotometric method for the determination of trace thiocyanate was developed.
在磷酸介质中,硫氰酸根对溴酸钾氧化茜素红的褪色反
有较强的催化作用,据此建立了催化光度法测定痕量硫氰酸根的新方法。


噻唑法是先将溴氯甲烷与硫氰化钠反


