Official Journal of the Japan Wood Research Society
Table 5 Ranges of concentrations of sodium, potassium, magnesium, and calcium eluted from non-treated and treated charcoals
From: Factors governing cesium adsorption of charcoals in aqueous solution
Adsorbent | Molar concentration (mol/L) | |||||||
|---|---|---|---|---|---|---|---|---|
Na+ | K+ | Mg2+ | Ca2+ | |||||
No. adsorbent (blank) | <1.3 × 10−6 | <5.1 × 10−7 | <8.2 × 10−7 | <1.0 × 10−6 | ||||
Maximum | Minimum | Maximum | Minimum | Maximum | Minimum | Maximum | Minimum | |
OC* | 4.8 × 10−5 | 3.6 × 10−5 | 2.8 × 10−3 | 2.8 × 10−3 | 3.3 × 10−5 | 2.6 × 10−5 | 3.0 × 10−5 | 2.1 × 10−5 |
MC | 1.2 × 10−3 | 1.2 × 10−3 | 9.7 × 10−5 | 9.3 × 10−5 | 4.9 × 10−5 | 4.2 × 10−5 | 1.2 × 10−4 | 1.1 × 10−4 |
BC | 5.2 × 10−5 | 4.0 × 10−5 | 3.1 × 10−4 | 3.1 × 10−4 | 8.2 × 10−6 | 0 | 6.7 × 10−4 | 6.6 × 10−4 |
4WE-OC* | 1.3 × 10−5 | 0 | 1.0 × 10−4 | 9.5 × 10−5 | 8.2 × 10−6 | 0 | 1.7 × 10−4 | 1.7 × 10−4 |
4WE-MC | 6.3 × 10−4 | 6.1 × 10−4 | 7.2 × 10−5 | 6.7 × 10−5 | 8.2 × 10−6 | 0 | 5.0 × 10−5 | 4.0 × 10−5 |
4WE-BC | 5.2 × 10−5 | 3.9 × 10−5 | 3.1 × 10−5 | 2.6 × 10−5 | 8.2 × 10−6 | 0 | 1.5 × 10−5 | 5.0 × 10−6 |