The diphenyl-thiocarbazone extraction and spectrophotometry were developed for indirect determination of residual chlorine in water distribution system.
This article described how to determine the content of chloride in the industry potassium hydroxide with the mercuric thiocyanide spectrophotometric method .
In this paper,the contents of herbicide bifenox weredeterminated by the differential UV spectrophotometry at 280nm,and the reference solution was that the 40.
Kinetic constant and apparent activation energy of iodine catalytic reaction of ascorbic acid oxidation Naphth Green B have been determined by spectrophotometric method.
The urine xanthopterin levels were determined in 29 healthy men(normal group),11 patients and 34 patients with cancer by fluorescence combined with paper chromatography.
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.
The Au content of column held nonhydrocarbon,nonhydrocarbon,asphaltene and kerogen in Jinya Gold Deposits in Guangxi province was measured by the Plasma actinometer (ICP)in the paper.
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.
The release patterns of norgestrel in NRID in vivo were simulated after the norgestrel in NRID was dissolved by acetone and the rest of norgestre was determined by Ultraviolet Ray Spectrometer.