Table 2.
Buffer number | Buffer component | Concentration (mM unless indicated) | pH | Conductivity (mS/cm) |
---|---|---|---|---|
1 | Sodium citrate | 20 | 5.5 | 4 |
2 | Sodium phosphate | 20 | 6 | 4 |
3 | Sodium phosphate | 20 | 8 | 4 |
4 | Sodium hydroxide | 1000 | - | - |
5 | Sodium citrate | 10 | 6 | - |
Sodium chloride | 8.7 g/L | |||
6 | Sodium citrate | 10 | 6 | - |
Sodium chloride | 8.7 g/L | |||
Tween 20 | 0.2% v/v | |||
7 | Sodium citrate | 20 | 5 | - |
8 | Sodium phosphate | 20 | 6.6 | - |
9 | Trisodium citrate | 200 | 7.6 | - |
Sodium chloride | 100 | |||
Sodium phosphate | 20 | |||
10 | Sodium citrate | 20 | 5.6 | - |
11 | Sodium citrate | 20 | 4 | - |
12 | Sodium chloride | 240 | 4 | - |
Sodium citrate | 10 | |||
13 | Sodium chloride | 410 | 4 | - |
Sodium citrate | 10 | |||
14 | Sodium chloride | 7.5 g/L | 6.75 | - |
Sodium phosphate dibasic | 1.8 g/L | |||
Sodium phosphate monobasic | 1.3 g/L | |||
15 | Sodium chloride | 400 | 4 | - |
Sodium citrate | 10 | |||
16 | Sodium phosphate | 40 | 7.6 | - |
Sodium chloride | 200 | |||
17 | Sodium citrate | 20 | 4.2 | - |
18 | Sodium citrate | 20 | 3.5 | - |
19 | Sodium chloride | 7.5 g/L | 6.75 | - |
Sodium phosphate dibasic | 1.8 g/L | |||
Sodium phosphate monobasic | 1.3 g/L | |||
EDTA | 0.1 g/L | |||
Tween 80 | 0.1 g/L | |||
20 | Sodium chloride | 150 | 5.8 | - |
Sodium phosphate | 20 | |||
21 | Sodium chloride | 150 | 7 | - |
Sodium phosphate | 20 | |||
22 | Sodium citrate | 20 | 5.5 | - |
23 | Glutamic acid | 10 | 4.4 | - |
Sobitol | 5% w/v |