Preparation of Modified Kaolin Filler with Cesium and Its Application in Security Paper

<table>Variation of uptake percentage with initial concentration of cesium for its sorption on kaolin. Operating conditions: 50 mL solution, pH = 6, 250 mg kaolin, and shaking time = 40 min.</table>

Advances in Materials Science and Engineering

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Figure 2

Figure 2: Preparation of Modified Kaolin Filler with Cesium and Its Application in Security Paper 