BIOSIS COPYRIGHT: BIOL ABS. It is critical to compare existing sample digestion methods for evaluating soil contamination and remediation. USEPA Methods 3050, 3051, 3051a, and 3052 were used to digest standard reference materials and representative Florida surface soils. Fifteen trace metals (Ag, As, Ba, Be, Cd, Cr, Cu, Hg, Mn, Mo, Ni, Pb, Sb, Se, and Zn), and six macro elements (Al, Ca, Fe, K, Mg, and P) were analyzed. Precise analysis was achieved for all elements except for Cd, Mo, Se, and Sb in NIST SRMs 2704 and 2709 by USEPA Methods 3050 and 3051, and for all elements except for As, Mo, Sb, and Se in NIST SRM 2711 by USEPA Method 3052. No significant differences were observed for the three NIST SRMs between the microwave-assisted USEPA Methods 3051 and 3051a and the conventional USEPA Method 3050 except for Hg, Sb, and Se. USEPA Method 3051a provided comparable values for NIST SRMs certified using USEPA Method 3050. However, for method correlation coefficients and elemental recoveries in 40
Minerals analysis; Poisoning; Animals; laboratory; Air pollution; Soil pollutants; Water pollution; Methods; Plants; Soil; Fertilizers; 7782-49-2; 7723-14-0; 7440-70-2; 7440-66-6; 7440-50-8; 7440-47-3; 7440-43-9; 7440-41-7; 7440-39-3; 7440-38-2; 7440-36-0; 7440-22-4; 7440-09-7; 7440-02-0; 7439-98-7; 7439-97-6; 7439-96-5; 7439-95-4; 7439-92-1; 7439-89-6; 7429-90-5
