434
4.
(a)
1
2
3
C (mg Mn/100 ml)
100
90
80
70
60
50
40
30
(b)
1
2
3
4
5
C (mg Mn/100 ml)
(c) log
= 0.40C
(d) («)
= 0.4028C
r = 0.99846
95% confidence interval of slope = 0.4028 ± 0.0681
5.
10,000
9,000
8,000
7,000
6,000
5,000
4,000
E
Q.
3,000
2,000
1,0001-1—L
20 40 60 80 100 120 140 160
t (mm)
4.
(a)
1
2
3
C (mg Mn/100 ml)
100
90
80
70
60
50
40
30
(b)
1
2
3
4
5
C (mg Mn/100 ml)
(c) log
= 0.40C
(d) («)
= 0.4028C
r = 0.99846
95% confidence interval of slope = 0.4028 ± 0.0681
5.
10,000
9,000
8,000
7,000
6,000
5,000
4,000
E
Q.
3,000
2,000
1,0001-1—L
20 40 60 80 100 120 140 160
t (mm)