Table 1.
Empirical Formula | Yield | %H (Theoret) | %C (Theoret) | %H (Exp) | %C (Exp) |
---|---|---|---|---|---|
[C22O12H16Zn2] ·4H2O | 70–75% | 3.60 | 39.59 | 3.69 | 39.80 |
[C22O12H16Ni2] ·4H2O | 70–80% | 3.67 | 40.41 | 3.56 | 39.76 |
[C22O12H16Cu2] ·4H2O | 70% | 3.62 | 39.81 | 3.57 | 39.13 |
[C22O12H16Co2] ·4H2O | 70–75% | 3.67 | 40.38 | 3.59 | 40.05 |