Chemistry Letters p. 1305 - 1306 (1981)
Update date:2022-09-26
Topics:
Nakamura, Hiroshi
Sakka, Hideo
Takagi, Makoto
Ueno, Keihei
Two chromogenic crown ethers, N-(2-hydroxy-5-nitrobenzyl)-aza-15-crown-5(1) and N-(2-hydroxy-5-nitrobenzyl)-aza-18-crown-6(2), were synthesized for the extraction photometry of alkali metal ions.The extraction selectivity followed the order: 1, Li+>Na+>K+>>Rb+, Cs+ and 2, K+>Na+>Rb+>Li+>Cs+. 1 is useful for determining 10 - 100 ppm Li+ as well as for concentrating Li+ from a dilute solution
View MoreTianjin Ingenochem Technology Co.,Ltd
Contact:+86-22-23677060
Address:Hitech Green Industry Park K2-9-602, Nankai district
Ceresking Ecology & Technology co.,ltd
Contact:86 22 66218397
Address:Room 1613, Zheshang Mansion, No. 1988, Yingbin Avenue, Binhai New District, Tianjin,China.
TIANJIN ZHONGXIN CHEMTECH CO.,LTD.
Contact:86-022-66880623
Address:FINANCIAL STREET WEST BLK 7, #308, NO.52 XINCHENG WEST ROAD, TEDA, TIANJIN, P.R.CHINA
Shandong Topscience Biotech Co., Ltd.
Contact:0633-2619278
Address:No. 98 Lanshan West Road, Lanshan District, Rizhao, Shandong Province, P.R. of China
Contact:+44 7958 511245
Address:PO Box 469, Manchester, UK
Doi:10.1002/anie.201906350
(2019)Doi:10.1039/c9cy01738k
(2019)Doi:10.1021/jo00340a024
(1982)Doi:10.1021/jm900731j
(2009)Doi:10.1021/ja01195a015
(1947)Doi:10.1021/ja045522j
(2004)
