Table 8 The results of gross alpha and gross beta activity concentrations of different kinds of water samples determined using LSC and thick
Sample No | Total solid content (mg L−1) | LSC methoda | Thick source methoda, b | Deviation (%)c | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
Mass of the test sample (g) | SQP(E) | Gross alpha activity concentration (Bq L−1) | Gross beta activity concentration (Bq L−1) | Mass of the test sample (g) | Gross alpha activity concentration (Bq L−1) | Gross beta activity concentration (Bq L−1) | Gross alpha | Gross beta | ||
DW-1 | 3.60 E + 02 | 2.02 E + 02 | 797.5 | (4.16 ± 0.68) E−02 | (1.21 ± 0.12) E−01 | 2.00 E + 03 | (3.77 ± 0.85) E−02 | (1.06 ± 0.11) E−01 | 10.3 | 14.2 |
DW-2 | 2.65 E + 02 | 2.02 E + 02 | 800.3 | (2.55 ± 0.60) E−02 | (1.11 ± 0.12) E−01 | 2.00 E + 03 | (2.32 ± 0.68) E−02 | (1.17 ± 0.12) E−01 | 9.9 | − 5.1 |
GW-1 | 3.40 E + 02 | 2.02 E + 02 | 798.5 | ≤ MDC = 1.22 E−02 | (7.92 ± 1.16) E−02 | 2.00 E + 03 | ≤ MDC = 1.81 E−02 | (8.34 ± 1.21) E−02 | – | − 5.0 |
GW-2 | 2.04 E + 02 | 2.03 E + 02 | 799.0 | (2.45 ± 0.60) E−02 | (3.77 ± 1.09) E−02 | 2.00 E + 03 | (2.18 ± 0.52) E−02 | (3.35 ± 0.98) E−02 | 12.4 | 12.5 |
GT-1 | 3.03 E + 02 | 2.04 E + 02 | 797.3 | (1.88 ± 0.11) E−01 | (5.82 ± 0.17) E−01 | 2.00 E + 03 | (2.03 ± 0.14) E−01 | (6.15 ± 0.23) E−01 | − 7.4 | − 5.4 |
GT-2 | 5.09 E + 02 | 2.04 E + 02 | 796.5 | (1.84 ± 0.56) E−02 | (5.11 ± 0.17) E−01 | 1.00 E + 03 | ≤ MDC = 3.87 E−02 | (4.76 ± 0.15) E−01 | – | 7.4 |
SW-1 | 2.39 E + 04 | 5.03 | 793.4 | ≤ MDC = 4.97 E−01 | 9.91 ± 0.55 | 5.01 E + 01 | ≤ MDC = 1.41 | 9.34 ± 0.59 | – | 6.1 |
SW-2 | 3.22 E + 04 | 5.03 | 790.7 | ≤ MDC = 4.98 E−01 | 9.28 ± 0.55 | 5.00 E + 01 | ≤ MDC = 2.15 | 8.85 ± 0.51 | – | 4.9 |
WW-1 | 1.40 E + 04 | 5.05 | 796.9 | (5.43 ± 2.21) E−01 | (1.34 ± 0.01) E + 01 | 5.02 E + 01 | (5.72 ± 2.90) E−01 | (1.45 ± 0.03) E + 01 | − 5.1 | − 7.6 |
WW-2 | 9.81 E + 03 | 5.04 | 799.3 | 2.35 ± 0.30 | 6.27 ± 0.50 | 5.01 E + 01 | 2.16 ± 0.28 | 6.48 ± 0.57 | 8.8 | − 3.2 |
