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采用原子吸收光谱法（AAS）直接测定复方氯化钠注射液的含量．加入1％CsCl液可消除K＋、Na＋共存时的增感效应，Ca＋＋的测定不受干扰，使测定结果准确、可靠。
Direct Determination of Compound Sodium Chloride Injection by Atomic Absorption Spectrometry (AAS). The addition of 1% CsCl solution can eliminate the sensitization effect when K + and Na + coexist. The determination of Ca ++ is not disturbed, and the determination result is accurate and reliable.