Table 1 Factors influencing Hg retention with maize whiskers
From: Retention properties and mechanism of agricultural waste maize whisker on atmospheric mercury
Experimental objective | Mass of maize whiskers (g) | Exposure time (h) | Hg initial concentration (μg m−3) | pH value |
|---|---|---|---|---|
Effect of mass of maize whiskers | 0/0.1/0.2/0.3/0.4 | 2 | 0.1 | 4 |
Effect of exposure time | 0.2 | 0/1/2/3/4 | 0.1 | 4 |
Effect of Hg initial concentration | 0.2 | 2 | 0/0.05/0.1/0.2/0.4 | 4 |
Effect of pH value | 0.2 | 2 | 0.1 | 2/3/4/5/6 |