pH

7
0

---

,

---

, .
1G, , O

---

---

I, . . . , . Z
FH

---

. , , , lV. w 6

---

. , s y, 0

---

---

L3h

---

---

---

, U. E Lb.

---

. . .
9
9
z

---

52 k. 8

---

4
6
1
v

---

s. B4 4. h
, .
9

---

j, , 16a1R, 2
. Z

---

. , 5
. . R

---

,
W

---

E,

---

, .

---

---

---

, J

---

7,
.

---

,
Px, ,

---

4. U3. VZ
4N e, y. 8

---

07

---

gp. .
, w

---

---

VDwW. bjxZM6

m9, 5, . . 5V
u

j

---

U, ,

---

, hZ

---

,

---

O. z7. 9