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MEASUREMENTS OF FORMATION CONSTANTS OF[Na·18-Crown-6]
+
AND[NH
4
·18-Crown-6]
+
IN AQUEOUS SOLUTION BY
23
Na AND
14
N NMR METHOD
Mao Xian, Xu Guangzhi, Shen Qifeng, Lu Xiaoming, Liu Jun
Chinese Journal of Magnetic Resonance . 1986, (
1
): 9 -14 .