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The detection limits for each technique employed were measured using spiked samples. Instruments were validated byFig. 3. ICP-MS determination of Ag from water samples stored using nano-silver (containers and coated film) packaging for up to 6 weeks at 40 C, statistical signifi- cance (p 0.001). Abbreviation: ICP-MS, Inductively Coupled Plasma-Mass Spec- trometry; Ag, Silver; Water, Ultra purification water; Conc, Concentration.analysing standards at ten different dilutions under reproducible conditions using the same analytical sample on the same day and over different days with different analytical samples; the statistical mean was estimated. The concentrations of the standards were chosen to produce the highest and lowest points on the calibration line. The method detection limits for ICP-MS and AAS were 0.031 mgL1 and 0.061 mgL1, respectively, with their limits of quantification corresponding to 0.11 mgL1 and 0.23 mgL1, respectively.
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