Sampling and Analysis Equipment
Analytical Equipment for Acid Deposition Monitoring Network
A. Laboratory Conductivity Measurement
Radiometer Copenhagen Model CDM 83 Conductivity Meter
Standards Used: 75 µmhos; 15 µmhos
B. Laboratory pH
Fisher Accumet Model 825 MP pH/mVMeter
Standards Used: 6.00; 3.00
Samples are stirred during analysis.
C. Determination of Ions
1) Ion Chromatograph
Dionex Model DX500 Ion Chromatograph System consisting of:
a) GP40 Gradient Pumps (2)
b) CD20 Conductivity Detectors (2)
c) AS40 Auto Samplers (2)
d) Dell Optiplex XL5120 Computer
e) PeakNet Software
2) Anion Analysis
Column: AS4A 4X250 mm
Eluant: Na2CO3 + NaHCO3
3) Cation Analysis
Column: CS12A 4X250 mm
Eluant: H2SO4
