It is reasoned that these gels may consist of linear-type structural molecules [ ( C6H6O7 ) Ni ] n for the nickel citrate gel , and [ C3H4O3 ] 3Fe for the ferric lactate gel , respectively .
柠檬酸和乳酸中的羟基分别单齿配位于Ni2+和Fe3+离子，可能形成线型分子[（C6H6O7）Ni]n和[C3H4O3]3Fe，由这些线型分子组成的凝胶显示出了良好的可纺性。
c3h4o3