Table 4 Distribution of HF concentration
From: Hydrofluoric acid burns in the western Zhejiang Province of China: a 10-year epidemiological study
HF concentration (%) | Cases | |
|---|---|---|
N | Percent (%) | |
<20 | 16 | 7.96 |
20 ~ 50 | 41 | 20.40 |
>50 | 66 | 32.84 |
Unknown | 72 | 35.82 |
Hydrogen fluoride | 6 | 2.98 |