Great Lakes Instruments 692P, Руководство пользователя

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PART FOUR - OPERATING AIDS SECTION 1 - PRESERVING MEASUREMENT ACCURACY
Model 692P Rev. 9-898 -46-
pH VS. TEMPERATURE DATA FOR TABLE “E” BUFFER FORMULATIONS
1.09 Buffer
HCI (DIN 19267)
°
C
pH
°
C
pH
0 1.08 50 1.11
10 1.09 60 1.11
20 1.09 70 1.11
30 1.10 80 1.12
40 1.10 90 1.13
3.78 Buffer
Citric Acid (DIN 19266)
°
C
pH
°
C
pH
0 3.86 30 3.77
10 3.82 40 3.75
20 3.79 50 3.75
4.65 Buffer
Acetate (DIN 19267)
°
C
pH
°
C
pH
0 4.67 50 4.68
10 4.66 60 4.70
20 4.65 70 4.72
30 4.65 80 4.75
40 4.66 90 4.79
7.41 Buffer
Phosphate (DIN 19266)
°
C
pH
°
C
pH
0 7.53 30 7.40
10 7.47 40 7.38
20 7.43 50 7.37
10.00 Buffer
Glycol
°
C
pH
°
C
pH
0 10.80 50 9.42
10 10.45 60 9.21
20 10.14 70 9.01
30 9.88 80 8.83
40 9.64 90 8.66
1.68 Buffer
Textraoxalate (NBS 260-53)
°
C
pH
°
C
pH
0 1.67 50 1.71
10 1.67 60 1.72
20 1.68 70 1.74
30 1.68 80 1.77
40 1.69 90 1.79
4.00 Buffer
Pthalate (DIN 19266)
°
C
pH
°
C
pH
0 4.00 50 4.05
10 3.99 60 4.08
20 3.99 70 4.12
30 4.00 80 4.15
40 4.02 90 4.20
6.87 Buffer
Phosphate (DIN 19266)
°
C
pH
°
C
pH
0 6.98 50 6.83
10 6.92 60 6.84
20 6.88 70 6.85
30 6.85 80 6.86
40 6.84 90 6.88
9.18 Buffer
Borax (NBS 260-53)
°
C
pH
°
C
pH
0 9.46 30 9.14
10 9.33 40 9.07
20 9.23 50 9.01
12.45 Buffer
Calcium Hydroxide (DIN 19266)
°
C
pH
°
C
pH
0 13.42 40 11.98
10 13.00 50 11.71
20 12.63 60 11.45
30 12.29
3.56 Buffer
Tartrate (NBS 260-53)
°
C
pH
°
C
pH
20 3.56 60 3.56
30 3.55 70 3.58
40 3.55 80 3.61
50 3.55 90 3.65
4.01 Buffer
Pthalate (NBS 260-53)
°
C
pH
°
C
pH
0 4.01 50 4.06
10 4.00 60 4.09
20 4.00 70 4.12
30 4.01 80 4.16
40 4.03 90 4.19
7.00 Buffer
Phosphate
°
C
pH
°
C
pH
0 7.10 50 6.98
10 7.06 60 6.98
20 7.02 70 6.97
30 6.99 80 6.99
40 6.97 90 7.01
10.00 Buffer
Carbonate/Bicarbonate
(0.5 Molar)
°
C
pH
°
C
pH
0 10.26 50 9.80
10 10.15 60 9.73
20 10.05 70 9.68
30 9.96 80 9.63
40 9.87