無水マレイン酸処理によるアントラセンの紫外吸光光度定量法

概要

論文の詳細を見る
Anthracene can be determined by ultraviolet spectrophotometry using the absorption at 378mμ. But it is necessary to correct the background absorption based on impurities in low grade anthracene. Therefore, the authors propose a method of correction for the background absorption, Anthracene can be determined by difference between the absorption of original sample solution and the absorption of anthracene-free sample solution, which is prepared by Diels-Alder reaction with maleic anhydride. Anthracene-free sample solution can be obtained by following procedure. 20∿150mg of the sample is dissolved in 25ml of xylene. 250mg of maleic anhydride is added to 10ml of the solution, and then it is heated to gentle boiling for 45 minutes. After being cooled to room temperature, the solution is diluted to suitable volume. Maleic anhydride in the solution is extracted with same volume of 0.3mol/l sodium hydroxide solution.
山梨大学の論文
1964-03-20