Journal of Analytical Methods in Chemistry / 2019 / Article / Tab 2

Research Article

Comparative Study on Two Pretreatment Processes for Chemical Phase Analysis of Gold in Geological Samples by Atomic Absorption Spectrometry

Table 2

Heating program for graphite furnace.

StepTemperature (°C)Heating time (s)Holding time (s)Internal gas flow (mL/min)

Dry1101010200
Ashing6001015200
Atomization1800030
Exclusion190012200

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