Research Article
The Estimation of Acidic Behavior of Wood by Treatment with Aqueous Solution
Table 1
The effect of dilution on the titration of a strong acid in aqueous Na2HPO4 solution.
| HCl | Alkali consumption mL | | added mL | End point set by device | % error | at pH 9.20 | % error | Corrected* | % error | Recovery**(%) |
| 0.50 | 1.3157 | 163.1 | 0.6333 | 26.7 | 0.4871 | −2.4 | 97.6 | 1.00 | 1.4693 | 46.9 | 1.1427 | 14.3 | 1.0044 | 0.5 | 100.5 | 1.50 | 1.7713 | 18.1 | 1.6347 | 9.0 | 1.5041 | 0.3 | 100.3 | 2.50 | 2.6199 | 5.0 | 2.6240 | 4.8 | 2.5089 | 0.2 | 100.2 | 4.00 | 4.1572 | 3.9 | 4.1053 | 2.6 | 4.0134 | 0.3 | 100.3 | 8.00 | 8.0636 | 0.8 | 8.0400 | 0.5 | 8.0095 | 0.1 | 100.1 | 10.00 | 9.9916 | −0.1 | 9.9947 | −0.1 | 9.9947 | −0.1 | 99,.9 |
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*The data in the fourth column corrected according to (7) (see text).
**Based on corrected alkali consumption.
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