ICP-MS | INAA | |
---|---|---|
Accuracy | Good | Excellent |
Sensitivity | High | High |
Matrix effect | Yes | No |
Time response | Low-medium | Low |
Silicon carbide |
||
Element | NAA (ng/g) | LA-ICP-MS (ng/g) |
Co | 678 | (950) |
Eu | 42 | n.d. |
Fe | 980 | (1390) |
Hf | 648 | n.d. |
Sc | 140 | n.d. |
Pyrolytic graphite |
||
Element | NAA (ng/g) | LA-ICP-MS (ng/g) |
Ag | 320 | (560) |
Element | Ascorbic acid | Silicone oil | ||
---|---|---|---|---|
ICP-MS | NAA | ICP-MS | NAA | |
U (ppb) | <5 | <250 | 152 | <250 |
Mn (ppb) | 189 | n.d. | 1269 | n.d. |
Co (ppb) | <50 | <50 | <50 | <50 |
Cd (ppb) | <50 | n.d. | 1269 | n.d. |
Th (ppb) | <5 | <100 | 1988 | 1780 |
Cu (ppb) | <250 | n.d. | 1413 | n.d. |
Pb (ppb) | 987 | n.d. | 1015 | n.d. |
V (ppb) | <180 | n.d. | 205 | n.d. |
Sb (ppb) | <200 | <150 | <200 | <150 |
Se (ppb) | <500 | <100 | <500 | 72 |
Al (ppm) | 17.9 | n.d. | 47.9 | n.d. |
Cr (ppm) | <2.5 | <1 | <2.5 | 1.4 |
Ni (ppm) | <0.5 | <2.5 | 2.5 | n.d. |
Fe (ppm) | <1 | <0.5 | 186 | 150 |
Zn (ppm) | 0.26 | 0.33 | 5.0 | 4.8 |