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TABLE 6-2 (Continued) <br /> Sample <br /> detection Percent <br /> Sample matrix Preparation method Analytical method limit recovery Reference <br /> Citrus leaves Chop or pulvarize sample; ICP-AES 10-50 µg/L 75-82 Que Hee and Boyle <br /> and paint digest with hot acid; dry; (citrus 1988 <br /> redissolve in acid leaves); <br /> 89-96 <br /> (paint) <br /> AA = atomic absorption; AAS = atomic absorption spectroscopy; AES = atomic emissions spectroscopy; ASV = anode m <br /> stripping voltammetry; (C2H5)4NOH = tetraethylammonium hydroxide; DPASV = differential pulse anodic stripping a <br /> voltammetry; EDTA = ethylenediamine tetraacetic acid; EPA = Environmental Protection Agency; EPXMA = electron <br /> probe x-ray micro-analysis; GC = gas chromatography; GFAAS = graphite furnace atomic absorption spectrometry; HCI = <br /> hydrochloric acid; HC1O4 = perchloric acid; HNO3 = nitric acid; H2O2 = hydrogen peroxide; H2SO4 = sulfuric acid; <br /> ICP-AES = inductively coupled plasma-atomic emission spectroscopy; IDMS = isotope dilution mass spectrometry; <br /> 03 <br /> LAMMA = laser microprobe mass analysis; MS = mass spectrometry; NaOH = sodium hydroxide;NG = nanogram; NR <br /> = not reported; 206Pb = lead 206; P&CAM = physical and chemical analytical methods; PID = photoionizationdetector; 0 <br /> TAL = tetraalkyl leads; TEL = tetraethyl lead; TML = tetramethyl lead; XRF = X-ray fluorescence N <br /> CCD CI <br /> -- <br />