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23 Cards in this Set
- Front
- Back
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Beers Law
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UV/Visible ligt absorption = Concentration.
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Atomic Absorption
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Identify one metal at a time. Beers Law.
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Gas Chromatography
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Good for organic solvents.
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HPLC
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Good for isocyanates, PNA, pharmaceuticals.
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Microscopy
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Good for fibers and asbestos.
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ICP (inductively coupled argon plasma)
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Good for multiple metals simultaneously.
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X-Ray Diffraction
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Cystalline silica analysis. Gives different polymorphs.
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Infrared Analysis
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Good for total silica.
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Dynamic Calibration
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Real world calibration. Compares instrument to a known concentration.
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Static Calibration
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Uses filters or electrical charge to calibrate instrument.
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PLM
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Polarized light microscopy. Determine crystalline materials.
Not for air samples. |
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PCM
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Phase Contrast Optical Microscopy.
Airborne fibers. Not for counting asbestos. |
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HPLC
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For organic compounds with BP over 250 degrees C.
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X-Ray Diffraction.
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Can be used to seperate the 3 polymorphs of silica. Quartz, Tridymite, Cristobalite.
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XRF
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X-Ray Fluorescense. Used for elements in solids and liquids. Lead survey instrument.
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AA - Atomic Absoption
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Electron excited to next energy level. See trace metals.
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Mass Spectrometry
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Seperate sample based on mass. Good for: Unknowns, VOCs, PAH, Complex Mixtures, Herbicides, Insecticides.
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Fluorescence Detector
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Measures light emission. Good for: PAH's.
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Ion Chromatography
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Ion exchange seperate ions. Good for: Alkali, alkali earth metals, inorganic compounds, aldehydes.
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HPLC - High Performance Liquid Chromatography.
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Similar to GC, but carrier is liquid. Good for: PCBs, herbicides, insecticides, phthalates, isocyanates.
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LOD
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Limit of detection. Lowest conc. detected by lab instrument. 3x instrument noise level.
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LOQ
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Limit of quantification. Lowest concentration quantifiable in the lab.
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1 cubic meter equals...
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1000 Liters
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