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提出在无泵流路系统中,利用雾化器负压形成无脉冲稳定液流,进行流动注射-原子吸收光度测定钙的方法。它具有装置简单、重现性好等优点。将本法用于硅藻土中钙的测定得到了良好的结果。
The method of flow injection - atomic absorption spectrophotometric determination of calcium is proposed in the pumpless flow path system by using atomizer negative pressure to form a pulse-free steady flow. It has the advantages of simple device, good reproducibility. Good results have been obtained using this method for the determination of calcium in diatomaceous earth.