Features:
1、Simultaneously determine two elements at two different channels by time-sharing at trace level (ppt), such as As、Se、Hg、Sb、Pb、Cd、Te、Sn、Bi、Ge、Zn.
2、Adopt aggregate-pulse power supply for light source
3、Automatic Ar-H2 flame ignition and shield quartz atomizer
4、Automatic self-check, gas route control, protection and warning system
5、Polar auto sampler with 80 sample racks or XYZ auto sampler with 130, 116, and 78 (25ml) sample racks (optional)

Unique upgrade module:
1、Ultra-trace level gaseous mercury determination
2、Parts and operation system for As, Se, Sb , and Hg speciation determination
3、Ultra-trace level determination for mercury in sea water and surface water   (DL≤0.0002μg/L)