Vzor Mark-903, Руководство по эксплуатации, Страница: 40 / 41

40
ATTACHMENT A
( reference )
pH of standard buffer solutions versus temperature
Table A.1
Temper
a
ture
,

С
Chemistry of buffer solutions
К
Н
3
(С
2
О
4
)
2

2
Н
2
О
te
tr
a
o
xa
la
te
,
2
-a
q
u
e
o
u
s
,
(2
5
.2
1
9
g
/d
m
3
)
К
Н
С
4
Н
4
С
5
p
o
ta
ssi
u
m
h
y
d
ro
ta
rt
ra
te
,
sa
tu
ra
te
d
a
t
2
5

С
,
(7
.8
6
8
g
/d
m
3
)
К
С
8
Н
5
О
4
p
o
ta
ssi
u
m
h
y
d
ro
p
h
th
a
la
te
(
1
0
.1
2
0
g
/d
m
3
)
К
Н
2
Р
О
4
+
N
а
2
Н
Р
О
4
p
o
ta
ssi
u
m
d
ih
yd
ro
p
h
o
sp
h
a
te
(3
.3
8
8
0
g
/d
m
3
)
+
so
d
iu
m
m
o
n
o
h
yd
ro
p
h
o
s
p
h
a
te
(
3
.5
3
3
0
g
/d
m
3
)
N
а
2
В
4
О
7

1
0
Н
2
О
so
d
iu
m
t
e
tr
a
b
o
ra
te
,
1
0
-a
q
u
e
o
u
s
(3
.8
0
6
4
g
/d
m
3
)
N
a
2
C
O
3
+
N
a
H
C
O
3
so
d
iu
m
ca
rb
o
n
a
te
(
2
.6
4
2
8
g
/d
m
3
)
+
so
d
iu
m
ca
rb
o
n
a
te
,
a
ci
d
ic
(
2
.0
9
4
7
g
/d
m
3
)
1.65 3.56 4.01 6.86 9.18 10.00
0
5
10
15
20
25
30
37
40
50
60
70
80
90
95
-
-
1.638
1.642
1.644
1.646
1.648
1.649
1.650
1.653
1.660
1.67
1.69
1.72
1.73
-
-
-
-
-
3.556
3.549
3.544
3.542
3.544
3.553
3.57
3.60
3.63
3.65
4.000
3.998
3.997
3.998
4.001
4.005
4.011
4.022
4.027
4.050
4.080
4.12
4.16
4.21
4.24
6.961
6.935
6.912
6.891
6.873
6.857
6.843
6.828
6.823
6.814
6.817
6.83
6.85
6.90
6.92
9.475
9.409
9.347
9.288
9.233
9.182
9.134
9.074
9.051
8.983
8.932
8.90
8.88
8.84
8.89
10.273
10.212
10.154
10.098
10.045
9.995
9.948
9.889
9.866
9.800
9.753
9.730
9.73
9.75
-