TL;DRAbstract
A new method for determing calcium in nuclear grade sodium is investigated. The matrix sodium is separated by vacuum distillation at the temperature of 380℃ and under the vacuum of 6×10^(-4) Pa. The calcium in residue is dissolved and analyzed by ICP-AES. The analysis range of the method is 2.5-100μg/g. The relative deviation of determined samples is＜5%. This method has been applied to determine concentration of calcium in nuclear grade sodium and sodium sample from purification technology procedure in sodium production factory.
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A new method for determing calcium in nuclear grade sodium is investigated. The matrix sodium is separated by vacuum distillation at the temperature of 380℃ and under the vacuum of 6×10^(-4) Pa. The calcium in residue is dissolved and analyzed by ICP-AES. The analysis range of the method is 2.5-100μg/g. The relative deviation of determined samples is＜5%. This method has been applied to determine concentration of calcium in nuclear grade sodium and sodium sample from purification technology procedure in sodium production factory.
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