Chinese Journal of Magnetic Resonance ›› 1986, Vol. 3 ›› Issue (1): 9-14.

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MEASUREMENTS OF FORMATION CONSTANTS OF[Na·18-Crown-6]+ AND[NH4·18-Crown-6]+ IN AQUEOUS SOLUTION BY 23Na AND 14N NMR METHOD

Mao Xian1, Xu Guangzhi1, Shen Qifeng2, Lu Xiaoming2, Liu Jun2   

  1. 1 Institute of Chemistry, Academia Sinica, Beijing;
    2 Beijing Agricultural University
  • Received:1985-08-26 Published:1986-03-05 Online:2018-01-23

Abstract: 23Na 14N NMR chemical shifts were used to study Na+, NH4+ complexes with 18-Ciown-6 in aqueous Solutions. The formation constants for[Na·18-Crown-6]+ and[NH4·18-Crown-6]+ were determined using a new method which is different from that developed by Popoy.et.al.