Skip to main content
. Author manuscript; available in PMC: 2019 Jun 1.
Published in final edited form as: Microchem J. 2018 Mar 4;139:242–249. doi: 10.1016/j.microc.2018.03.010

Table 2.

Cadmium recoveries (%) along with residual Mo and Sn concentrations obtained for MVM stock solution at different steps of the sequential coprecipitation schemes. Values are mean ± standard deviation of five separate preparations (n = 5)

Scheme Step Analyzed medium Cd recovery (%) Residual Mo (μg mL−1) Residual Sn (μg mL−1)
110Cd 111Cd 114Cd
Scheme 1 1 Pellet 101 ± 6 97 ± 5 100 ± 7 1.20 ± 0.14 0.32 ± 0.04
2 Pellet 99 ± 10 99 ± 8 97 ± 8 0.78 ± 0.12 0.23 ± 0.06
3 Pellet 93 ± 6 100 ± 6 96 ± 7 0.38 ± 0.08 0.181 ± 0.08
Scheme 2 1 Pellet 98 ± 4 96 ± 7 98 ± 5 0.88 ± 0.10 0.28 ± 0.04
2 Supernatant 99 ± 3 101 ± 7 99 ± 7 0.76 ± 0.08 0.20 ± 0.06
3 Pellet 101 ±5 98 ± 6 101 ± 7 0.16 ± 0.06 0.052 ± 0.02
Scheme 3 1 Supernatant 98 ± 3 101 ± 6 97 ± 5 0.88 ± 0.11 0.202 ± 0.08
2 Pellet 96 ± 4 93 ± 3 99 ± 4 0.14 ± 0.08 0.088 ± 0.02
3 Pellet 97 ± 7 98 ± 2 98 ± 6 0.014 ± 0.008 0.018 ± 0.01