The Estimation of Acidic Behavior of Wood by Treatment with Aqueous Na_𝟐HPO_𝟒 Solution

Table 3

Estimation of wood acidity by means of titration of wood-phosphate solutions.

	Black pine		Chestnut			Alder
V/mL	mx/g	mmol/100 g*	V/mL	mx/g	mmol/100 g*	V/mL	mx/g	mmol/100 g*
1.959	1.0059	15.60^†	2.191	0.1498	65.67^†	2.053	1.5297	9.76
2.823	1.5016	16.21	3.121	0.2489	76.91	2.616	2.0236	10.16
3.716	2.0215	16.46	4.365	0.3994	79.08	3.161	2.5155	10.34
4.485	2.4981	16.39	5.531	0.5483	78.86	3.736	3.1660	10.03
5.383	3.1080	16.07	6.497	0.6974	75.86	4.176	3.5751	10.11
6.148	3.5011	16.45	7.693	0.8465	76.63	4.712	4.0781	10.18
6.871	4.0128	16.15	8.800	0.9912	76.60	5.707	5.0634	10.16
7.657	4.4847	16.20	9.897	1.1486	75.66	7.629	7.0145	10.08
9.296	5.5042	16.18
	Avg:	16.26		Avg:	77.1		Avg:	10.10

*Based on alkali consumption corrected for intercept, ^†not included to the average.