Journal of Analytical Methods in Chemistry / 2012 / Article / Tab 4

Research Article

Direct Quantitative Analysis of Arsenic in Coal Fly Ash

Table 4

Optimized furnace program for the analysis of raw coal (liquid sampling system).

StepParameters Ar gas
Temperature (°C)Rate (°C s−1)Hold time (s)Total time (s)

Drying903057.3Max
Drying105102021.5Max
Drying1201056.5Max
Pyrolysis15001003043.8Max
Autozero (AZ)1500066.0Stop
Atomization2500100067.0Stop
Cleaning260010001010.1Max