2.2.1. Design Qualification
AAS unit with graphite furnace, compressor, chiller and eight turrets hallow cathode lamps (HCL) with deuterium
background correction with bandwidth 0.2 - 1.0 nm and computerized automatic control over the main unit
were the user requirements. These mentioned requirements which are easy to assemble, dismantle and cleaning
approach to various components like hallow cathode lamps and graphite furnace.