Comparative Screening Analytic Methods for Elderly of Blood Methylmercury Concentration between Two Analytical Institutions

Table 1

The analytical conditions of instruments and recovery test result by instruments.

	Total mercury	Methylmercury
Recovery test results
D Lab R(%RSD)	101 % (0.4%)	106 % (5.0%)
N Lab R(RSD)	99 % (2.8%)	101 % (1.4%)
Methylmercury analytic conditions of instruments
D Lab	Temperatures of the instruments were 65°C for digestion, 400~500°C for desorption, respectively.
N Lab GC conditions	Temperatures of the injection port, column oven and detector were 180°C, 160°C and 200°C, respectively.

%R: recovery rate and %RSD: recovery standard deviation. Both Lab’ QC material was CRM (SRM 955c level 3).