酸性硫酸スズメッキ浴中のクレゾールスルホン酸の光電比色法による定量
光沢スズ電気メッキに関する研究 (第6報)
1966 年 17 巻 8 号 p. 316-320
詳細
1966 年 17 巻 8 号 p. 316-320
Analytical method of cresol sulfonic acids in stannous sulfate bath was studied by spectrophotometer. These cresol sulfonic acids were produced from the isomers of high purity cresol. The data on extinction was determined in the neighborhood of their ultra-violet spectra.
In case of measuring absorption stannous sulfate plating solution, it was essential to take into account of the effects of precipitation of stannous salt or addition agents due to lowering of acidity. Accordingly, the testing solution had to be diluted to a definite concentration with about, 1% HCl solution and it had to the compared with the plating solution free from cresol sulfonic acid prepared by dilution in the same manner.
