Environmental Engineering Reference
In-Depth Information
FIGURE 7.2  Flow diagram for ilter processing and chemical analyses. a Analytical instruments: AAS, atomic absorption spectroscopy; AC, automated colorimetry;
CCSEM, computer-controlled scanning electron microscopy; ELSD, evaporative light scattering detector; HPLC-IEC, high-performance liquid chromatography with
an ion exchange column; IC, ion chromatography; IC-PAD, IC with pulsed amperometric detector; ICP-MS, inductively coupled plasma—mass spectrometry; PTFE,
polytetraluoroethylene; SEC, size-exclusion chromatography; TD-GC-MS, thermal desorption-gas chromatography-mass spectrometry; TOC, total organic carbon;
UV/VIS, ultraviolet/visible light detector; XRF, x-ray luorescence. Observables: OC, organic carbon; EC, elemental carbon; HULIS, humic-like substances; MDA,
mono- and dicarboxylic acids; NC, neutral/basic compounds; PA, polycarboxylic acids; WSOC, water soluble organic carbon. b 51 elements, Table 7.1; c 124 organic com-
pounds, see Table 7.2; d Cs, Ba, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Pb 204, 205, 206, 207, 208 ; anions include: e Cl , NO 2 , NO 3 , PO 4 = , SO 4 = (by IC); cations
include NH 4 + (by AC); Na + , Mg ++ , K + , and Ca ++ (by AAS), K 2 CO 3 : potassium carbonate.
Search WWH ::




Custom Search