Table 4 Main parameters for EXAFS analysis.
From: Chemical variability of artificial stone powders in relation to their health effects
R factor | e0 | S02 | Fe0 (molar fraction) | path | N | R (Å) | σ2 (Å—2) | D. T. (K) | |
|---|---|---|---|---|---|---|---|---|---|
1A | 0.02 | −10(1) | 0.6(1) | 0 | Fe-O | 6 | 1.98(1) | 0.007(2) | |
Fe-Fe | 8 | 2.96(2) | 0.016(2) | ||||||
Fe-Fe | 4 | 3.01(2) | // | ||||||
Fe-Fe | 4 | 3.43(2) | // | ||||||
1B | 0.02 | 7(1) | 0.8(1) | 0.3(1) | Fe-O | 6 | 2.03(1) | 0.010(4) | |
Fe-Fe | 4 | 2.99(1) | 0.005(3) | ||||||
Fe0 | 354(86)/302(58) | ||||||||
1C | 0.009 | 3(1) | 1.1(1) | 0 | Fe-O | 6 | 1.99(1) | 0.015(3) | |
Fe-Fe | 4 | 3.00(1) | 0.012(2) | ||||||
Fe-Fe | 4 | 3.41(1) | // | ||||||
2A | 0.02 | −7(2) | 0.6(1) | 0 | Fe-O | 6 | 2.05(2) | 0.007(4) | |
Fe-Fe | 4 | 3.02(2) | 0.013(4) | ||||||
2B | 0.04 | 9(2) | 0.9(1) | 0.6(1) | Fe-O | 6 | 2.04(1) | 0.013(9) | |
Fe0 | 350(37)/312(27) | ||||||||
2C | 0.002 | −8(1) | 0.7(1) | 0 | Fe-O | 1.97(1) | 0.004(1) | ||
Fe-Fe | 2.99(1) | 0.010(1) | |||||||
Fe-Fe | 3.51(1) | // | |||||||
3A | 0.01 | −7(2) | 0.6(1) | 0 | Fe-O | 6 | 2.06(1) | 0.006(3) | |
3B | 0.03 | 7(1) | 0.6(1) | 0.5(1) | Fe-O | 6 | 2.07(1) | 0.009(5) | |
Fe0 | 422(44)/368(28) | ||||||||
3C | |||||||||
4A | 0.03 | 7(1) | 0.7(1) | 0.5(2) | Fe-O | 6 | 2.08(1) | 0.012(7) | |
Fe0 | 389(49)/330(28) | ||||||||
4B | 0.03 | 8(2) | 1.0(3) | 0.4(1) | Fe-O | 6 | 1.99(1) | 0.03(1) | |
Fe0 | 416(59)/361(38) | ||||||||
4C | 0.02 | −8(4) | 0.8(2) | 0 | Fe-O | 4 | 1.81(2) | 0.003(3) | |
5A | 0.001 | −6(1) | 0.62(3) | 0 | Fe-O | 6 | 2.03(1) | 0.011(1) | |
Fe-Fe | 2 | 2.99(1) | 0.004(1) | ||||||
5B | 0.02 | 4(1) | 0.8(1) | 0 | Fe-O | 6 | 1.99(1) | 0.007(3) | |
Fe-Fe | 2 | 2.93(1) | // | ||||||
Fe-Fe | 2 | 2.99(1) | 0.003(2) | ||||||
Fe-Fe | 1 | 3.17(1) | // | ||||||
Fe-Fe | 1 | 3.43(1) | // | ||||||
5C | 0.01 | −10(1) | 1.0(1) | 0 | Fe-O | 6 | 2.01(1) | 0.005(2) | |
Fe-Fe | 2.92(1) | 0.010(1) | |||||||
Fe-Fe | 2.99(1) | // | |||||||
Fe-Fe | 3.38(1) | // | |||||||
Fe-Fe | 4.58(2) | // | |||||||
6A | 0.03 | 2(2) | 1.0(2) | 0.3(1) | Fe-O | 6 | 2.07(1) | 0.011(4) | |
Fe0 | 324(74)/253(41) | ||||||||
6B | 0.04 | 0(2) | 0.9(2) | 0.11(4) | Fe-O | 6 | 2.03(1) | 0.012(4) | |
Fe-Fe | 3.00(2) | 0.018(6) | |||||||
Fe0 | 324*/253* | ||||||||
6C | 0.02 | −2(2) | 1.1(2) | 0 | Fe-O | 6 | 2.03(2) | 0.008(3) | |
Fe-Fe | 1 | 3.00(5) | 0.002(2) | ||||||
Fe-Fe | 1 | 3.35(5) | // | ||||||
7A | 0.02 | 2(1) | 0.6(1) | 0.6(1) | Fe-O | 6 | 2.06(2) | 0.003(6) | |
Fe0 | 373(50)/346(35) | ||||||||
7B | 0.04 | 3(2) | 1.1(3) | 0.5(2) | Fe-O | 6 | 2.11(2) | 0.02(1) | |
Fe0 | 285(64)/224(38) | ||||||||
7C | 0.05 | −3(2) | 0.6(1) | 0 | Fe-O | 4 | 1.93(1) | 0.001 |
