Muddy sediment | Sandy sediment | |||
---|---|---|---|---|
Ethanol | Formalin | Ethanol | Formalin | |
Precision | 0.19 | 0.14 | 0.04 | 0.16 |
Mean washing time (min) | 7.1 (± 1.6) | 7.5 (± 3.5) | 8.0 (± 2.0) | 8.7 (± 1.8) |
Mean cost of sampling unit (U.S. Dollar) | $10 | $10.7 | $11.3 | $12.4 |
Additional costs (U.S. Dollar) | $9.4 | 2.83 = formaldehyde 7.86 = mask 1.57 = safety glasses 943.4 = fume hood Total: $955.7 | $9.4 | 2.83 = formaldehyde 7.86 = mask 1.57 = safety glasses 943.4 = fume hood Total: $955.7 |