Table 2. Fisher and Student Statistical Distribution.

	F	t		F	t
pH factor			KIO4/cellulose mass ratio
2	2.34	0.37	0.25	3.92	0.84
2.5	1.95		0.5	4.09
3	5.14		1	5.14
3.5	5.48		2	1.67
4	5.97		4	1.32
4.5	7.62		6	3.93
5	3.73		8	12.79
critical	19.00	2.45	10	11.05
time (h)			12	8.11
1	3.25	1.35	critical	19.00	2.31
2	11.08		temperature (°C)
3	1.68		30	12.79	0.54
4	12.79		40	13.26
5	7.89		50	12.58
6	2.94		60	12.30
critical	19.00	2.57	70	11.24
			critical	19.00	2.78