This paper summarizes some of the research and evaluation studies about mer
cury analysis in the environment during the past years in China. The main c
ontents is as follows: 1) Determination of total mercury and speciation of
mercury in air; 2) Storage and handling of water samples; 3) pre-treatment
of solid samples; 4) Determination of total mercury and speciation of mercu
ry in water and solid samples; 5) Certified reference materials.