Table 2.
Analytical results and recoveries for determination of VHCs from real water samples.
Analytes | Campus Tap Water (1#) | Lake Water (2#) | Lake Water (3#) | ||||||
---|---|---|---|---|---|---|---|---|---|
Found (ng mL−1) |
RSDs (%, n = 3) |
Recoveries (%, Spiked with 0.5 ng mL−1) |
Found (ng mL−1) |
RSDs (%, n = 3) |
Recoveries (%, Spiked with 5 ng mL−1) |
Found (ng mL−1) |
RSDs (%, n = 3) |
Recoveries (%, Spiked with 5 ng mL−1) |
|
CHCl3 | ND | 5.9 | 96 | 2.23 | 8.0 | 75 | 1.31 | 7.5 | 76 |
CCl4 | ND | 8.2 | 102 | ND | – | 103 | ND | – | 106 |
C2HCl3 | ND | 7.5 | 110 | ND | – | 103 | ND | – | 109 |
C2Cl4 | ND | 8.1 | 103 | ND | – | 101 | 0.027 | 12.0 | 111 |
CHBr3 | ND | 15.0 | 106 | 0.43 | 8.5 | 116 | ND | – | 112 |