OREGON STATE UNIVERSITY

Analytical Methodology and Instrumentation

Analysis * Method # (with Modifications) Instrumentation
Alkalinity APHA 2320, titrate to pH 4.5. Modifications: Use 0.02NNa2CO3 and 0.02N H2SO4 ManTech PC-Titrate Auto Titrator System
Ammonia APHA 4500-NH3 H; EPA 350.1 (salicylate) Lachat QuikChem 8500
Barium APHA 3111 B; flame atomic absorption spectroscopy Shimadzu AA-7000
Bromide APHA 4110 B; EPA 9056A Dionex 1500 Ion Chromatograph
Calcium APHA 3111 D; flame atomic absorption spectroscopy Shimadzu AA-7000
Carbon, Inorganic APHA 5310 B Shimadzu TOC-VCSH Combustion Analyzer
Carbon, Organic APHA 5310 B Shimadzu TOC-VCSH Combustion Analyzer
Chloride APHA 4110 B; EPA 9056A Dionex 1500 Ion Chromatograph
Color APHA 2120 Hach Color Kit
Iron APHA 3111 B; flame atomic absorption spectroscopy Shimadzu AA-7000
Magnesium APHA 3111 B; flame atomic absorption spectroscopy Shimadzu AA-7000
Manganese APHA 3111 B; flame atomic absorption spectroscopy Shimadzu AA-7000
Nitrate + Nitrite APHA 4500-NO3 I; EPA 353.2. Cadmium reduction method Lachat QuikChem 8500
Nitrogen, Total APHA 4500-NO3 F; APHA 4500-P J. Persulfate digest Technicon Auto-Analyzer II
pH APHA 4500 H; unstirred measurement with temperature compensation ManTech PC-Titrate Auto Titrator System
Phosphorus, Ortho (SRP) APHA 4500-P G; EPA 365.1. Ascorbic acid method Lachat QuikChem 8500
Phosphorus, Total APHA 4500-P B; APHA 4500-P E; EPA 365.2. Persulfate digest Technicon Auto-Analyzer II
Potassium APHA 3111 B; flame atomic absorption spectroscopy Shimadzu AA-7000
Silicon APHA 4500-SiO2, EPA 370.1 Lachat QuikChem 8500
Sodium APHA 3111 B; flame atomic absorption spectroscopy Shimadzu AA-7000
Strontium APHA 3111 B; flame atomic absorption spectroscopy Shimadzu AA-7000
Sulfate APHA 4110 B; EPA 9056A Dionex1500 Ion Chromatograph
Suspended Sediment APHA 2540 D
Total Dissolved Solids APHA 2540 C
Turbidity APHA 2130 Hach 2100A