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Determination of trace metals in fruit juices selected by ASAE using atomic absorption spectroscopy

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Academic year: 2021

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Figure 1.1. Fruit juice process (adapted from Sunshine 2016): Green, blue and orange colored words represent ingredients or  products and black colored words represent fruit juice production steps
Figure 1.4. Schematic diagram of a graphite furnace (adapted from Chemical Instrumentation 2016): Radiation from a light  beam passes through the graphite tube, heating it
Figure 1.5. Schematic diagram of HGAAS automated system (Hineman 2012): Samples and reagents (reductant and carrier)  are pumped separately till they are blended in the mixing manifold, generating an hydride
Table 3.1. Fruit juice types selected for this study: Each sample was designated with a letter from A to U; samples are  grouped according to its type of fruit juice; numbers from 1 to 4 represent a different fruit juice brand
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