INE-
PHSJ-5 pH Meter
17
95℃
8.833
STANDARD BUFFER SOLUTION WEIGHING :
pH VALUE(25℃)
CHEMICAL
NAME
CONCENTRATION
(mol/L)
WEIGHING FOR EACH
LITER
（
g
）
1.679(2 GRADE)
KH
3
(C
2
O
4
)2·2H
2
O
0.05
12.61
3.557(1 GRADE)
KHC
4
H
4
O
6
25℃(SATURATION)
>7
3.776(1 GRADE)
KH
2
C
6
H
5
O
7
0.05
11.41
4.008(1 GRADE)
KHC
8
H
4
O
4
0.05
10.12
6.865(1 GRADE)
KH
2
PO
4
0.025
3.387
Na
2
HPO
4
0.025
3.533
7.00(DENANARE)
KH
2
PO
4
0.02
2.780
Na
2
HPO
4
0.0275
3.886
7.413(1 GRADE)
KH
2
PO
4
0.008695
1.179
Na
2
HPO
4
0.03043
4.303
9.180(1 GRADE)
Na
2
BO
4
O
7
·10H
2
O
0.01
3.80
10.012(1 GRADE)
NaHCO
3
0.025
2.092
Na
2
CO
3
0.025
2.640
12.454(2 GRADE)
Ca(OH)
2
25℃(SATURATION)
>2
