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A QUANTITATIVE ANALYSIS OF COMMON METALS IN LOCAL WATER SOURCES. UNIQUE DRILLING FLUIDS, INC. INTRODUCTION. ANALYZE POTABLE WATER FOR COMMON METALS TEXAS COMMISION ON ENVIRONMENTAL QUALITY MAXIMUM CONTAMINANT LEVEL 1 SET BY STATE OF TEXAS. SPECIFIC AIM.
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A QUANTITATIVE ANALYSIS OF COMMON METALS IN LOCAL WATER SOURCES UNIQUE DRILLING FLUIDS, INC.
INTRODUCTION • ANALYZE POTABLE WATER FOR COMMON METALS • TEXAS COMMISION ON ENVIRONMENTAL QUALITY • MAXIMUM CONTAMINANT LEVEL1 SET BY STATE OF TEXAS
SPECIFIC AIM • QUALITATIVE AND QUANTITATIVE ANALYSIS OF COMMON METALS • COST EFFECTIVENESS • VARIOUS SOUCES OF WATER (ARLINGTON, HURST, AND SOUTHLAKE)
COMMONLY FOUND METALS • ALUMINUM- 303.9 nm λ, Aluminum Cathode Lamp • IRON- 248.3 nm λ, Iron Cathode Lamp • COPPER-324.7 nm λ, Copper Cathode
INSTRUMENTATION3 • FLAME ATOMIC ABSORPTION SPECTROMETER • THERMO SCIENTIFIC –SOLAR M SERIES AA SPECTROMETER • SAMPLE IS ASPIRATED INTO FLAME & ATOMIZED • LIGHT BEAM, DIRECTED INTO MONOCHROMATOR & ONTO A DECTECTOR • DETECTOR MEASURES AMOUNT OF LIGHT ABSORBED BY THE ATOMIZED ELEMENT
MATERIALS • TWO SAMPLES, RANDOMLY SELECTED • CITIES OF ARLINGTON, HURST, & SOUTHLAKE • EACH TESTED IN TRIPLICATE • MEAN & STANDARD DEVIATION REPORTED • PER METAL & PER SAMPLE
METHOD • PREPARATION OF STANDARDS • SLIT WIDTH • ABSORBANCE MEASUREMENTS • PRIMARY AND SECONDARY WAVELENGTH SELECTIONS
REFERENCES • International Bottled Water Association, U.S. and International Bottled Water Developments and Statistics for 2008. http://www.bottledwater.org/public/ • National Environmental Methods Index - General Search: water sample analysis for inorganic constituents. https://www.nemi.gov • The University of Texas at Arlington, Department of Chemistry and Biochemistry, CHEM 4461/5461 Laboratory Manual and Course Guide, Fall Semester, 2010