A review is mainly on the application of butylrhodamine B, rhodamine 6G and tetrabromofluorescein dyes in extraction spectrophotometric and flotation spectrophotometric analysis.
This article described how to determine the content of chloride in the industry potassium hydroxide with the mercuric thiocyanide spectrophotometric method .
A rapid infrared spectrophotometric metrod for determining furfural content in the raffinate of fur fural extraction of FCC light cycle oil is established.
Kinetic constant and apparent activation energy of iodine catalytic reaction of ascorbic acid oxidation Naphth Green B have been determined by spectrophotometric method.
By using sulpho acid to dissociate samples, using spectrophotometric method to determine micro-chrome in drainage sedimentary is very easy and simple with low cost.
The deionizing and deoxidizing water is required by the methylene blue spectrophotometric method in the new national standard to analyze sulfide in water and waste water.
We study the affection for the spectrophotometric method determination of sodium copper chlorophyllin in ratafee of all kinds of coefficiant of variation and obtain valuable results.
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.
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