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Official Journal of the Japan Wood Research Society

Table 6 pH in aqueous cesium chloride (CsCl) solutions after the addition of adsorbent and stirring for 24 h

From: Factors governing cesium adsorption of charcoals in aqueous solution

Aqueous CsCl solution

Added adsorbent (g)

pH

OC*

4WE-OC*

MC

4WE-MC

8WE-MC

12WE-MC

BC

4WE-BC

2.50 × 10−5mol/L**

0.10

9.4

7.8

5.9

5.2

5.1

5.0

9.7

7.1

0.20

9.2

8.6

5.8

5.1

5.0

4.9

10.1

7.4

0.40

9.9

8.9

5.8

5.0

5.0

4.9

10.8

8.0

0.80

10.1

8.0

5.7

4.9

4.9

4.8

11.1

8.0

1.60

10.2

8.5

5.6

4.8

4.8

4.7

11.5

8.1

  1. OC Japanese oak charcoal, MC mangrove charcoal, BC bincho charcoal, 4WE-OC OC after 4 times water extraction, 4WE-MC MC after 4 times water extraction, 8WE-MC MC after 8 times water extraction, 12WE-MC MC after 12 times water extraction, 4WE-BC BC after 4 times water extraction
  2. * The outlines of pH values in sample solutions with OC or 4WE-OC have been described in our previous paper [8, 9]
  3. ** pH = 5.8