电感耦合等离子体原子发射光谱法测定水玻璃再生砂中残余氧化钠含量

Determination of Na2O Content in Reclaimed Sodium Silicate Bonded Sand by ICP-AES Method

采用电感耦合等离子体原子发射光谱法测定水玻璃再生砂中氧化钠含量。研究了应用电感耦合等离子体原子发射光谱法测定水玻璃再生砂中氧化钠的提取方法、工作条件的选择、分析线的选择及干扰的消除。通过准确度和精密度试验,验证了方法的准确性和可靠性。

Na2O content in recycled sodium silicate bonded sand was determined by ICP-AES method. We studied the extraction method for Na2O, the selection of operating condition and the analysis line and the eliminating interference for determination by ICP-AES. Through the accuracy and precision experiment, the accuracy and reliability of the method were verified.