Niven is generally used as a boy's name. It consists of 5 letters and 2 syllables and is pronounced Ni-ven. In the U.S. in 2014, it ranked 11650 in baby name popularity for boys with 6 occurrences.
POLYCHLORINATED BIPHENYLS (PCBs) BY GAS CHROMATOGRAPHY. 1.0 SCOPE AND APPLICATION. 1.1 Method 8082 is used to determine the concentrations of polychlorinated biphenyls. (PCBs) as Aroclors or as individual PCB congeners in extracts from solid, tissue, and aqueous. matrices, using open-tubular, capillary columns with electron capt ure detectors (ECD) or electrolytic. conductivity detectors (ELCD).
U.S. EPA Method 1631 requires cold vapor atomic fluorescence spectroscopy (CVAFS) with gold amalgamation. EN 13806 for the determination of mercury levels in foodstuffs requires mercury analysis by cold vapor atomic absorption spectrometry (CVAAS) after pressure digestion.lease check out our Mercury Analyzer / Hg Analyzer section to find manufacturers that sell these products. 1  AMA254 Trace Mercury Analyzer (Direct Combustion) The AMA254 is specifically designed for fast, safe, and accurate determination of trace mercury in a wide variety of liquid and solid samples. 2  Using â¦Learn More.