DETERMINATION OF PICOGRAM CONCENTRATIONS OF SODIUM IN FLAME BY STEPWISE PHOTO-IONIZATION OF ATOMSстатья
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Дата последнего поиска статьи во внешних источниках: 29 мая 2015 г.
Аннотация:The first experiment in which stepwise photoionization of atoms is used for analytical purposes is reported. A detection limit of 12 pg/ml has been achieved for sodium in aqueous solutions. The results are compared with atomic fluorescence measurements. The potentialities of the new method are discussed.