Skip to main content

Official Journal of the Japan Wood Research Society

Table 2 pH in aqueous cesium chloride solutions I and II after addition of adsorbent and stirring for 24 h

From: Cesium adsorption from aqueous solutions onto Japanese oak charcoal III: effects of water-extraction treatment

Aqueous cesium chloride solution

Mass of added adsorbent (g)

pH

OC

1WE-OC

4WE-OC

8WE-OC

12WE-OC

I (2.50 × 10−5 mol/L)*

0.20

9.3

8.0

8.0

6.7

6.4

0.40

9.4

8.1

8.5

6.9

6.6

0.80

9.6

8.2

8.4

7.1

6.7

1.60

9.6

8.7

8.2

7.3

6.9

3.20

9.4

8.3

8.2

7.3

7.0

II (2.50 × 10−6 mol/L)**

0.20

9.6

9.4

9.2

6.9

6.5

0.40

9.7

9.4

9.2

7.1

6.7

0.80

9.7

9.4

8.9

7.2

6.8

1.60

9.6

9.3

8.5

7.4

6.9

3.20

9.4

9.0

8.2

7.4

6.9

  1. * pH = 5.8, ** pH = 5.8
  2. OC Japanese oak charcoal, nWE-OC water-extracted Japanese oak charcoal after 1, 4, 8, and 12 treatments