Research Article
Chemical Analysis of Hematite Ore Collected from Pokhari, Nawalparasi, Nepal
Table 7
A comparison of iron content present in hematite ore by AAS, titration, and UV-spectrophotometric method.
| Channels | Percentage of Fe determination | By AAS | By UV | By titration |
| A | 38.96 | 37.80 | 34.26 | B | 39.05 | 38.63 | 35.14 | C | 37.89 | 33.86 | 39.18 | D | 39.87 | 35.28 | 42.53 | E | 39.91 | 36.11 | 36.01 | F | 32.82 | 31.05 | 36.02 | G | 38.04 | 37.13 | 36.82 | H | 38.17 | 37.67 | 34.06 | Average | 38.09 | 35.94 | 36.75 | SD | 2.26 | 2.50 | 2.83 | Average ± SD | 38.09 ± 2.26 | 35.94 ± 2.50 | 36.75 ± 2.83 | Relative SD in percentage | 5.93 | 6.95 | 7.70 |
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