Electrothermal atomic absorption spectrometric determination of cadmium and nickel in urine.
This paper describes two relatively simple methods for the microdetermination of urinary cadmium (U-Cd) and urinary nickel (U-Ni) using electrothermal atomic absorption spectrometry. Reduction of nonspecific absorption interferences was achieved by temperature programming and background correction using a deuterium arc lamp. Within-run CVs were less than 5% for both U-Cd and U-Ni. Day-to-day variation was less than 8.1% for U-Cd and less than 8.0% for U-Ni. The typical limit for detection was 0.08 micrograms/L for U-Cd and 0.1 micrograms/L for U-Ni. The methods described are useful for mass screening of low level exposure to Cd or Ni.
Ong
C N
CN
Department of Community and Occupational Medicine, National University of Singapore, Kent Ridge.
Chua
L H
LH
Lee
B L
BL
Ong
H Y
HY
Chia
K S
KS
D002104:Cadmium / Q000652:urine*; D006801:Humans; D007202:Indicators and Reagents; D009532:Nickel / Q000652:urine*; D011786:Quality Control; D012016:Reference Values; D013054:Spectrophotometry, Atomic
D007202:Indicators and Reagents; D002104:Cadmium; D009532:Nickel