| Days |
Sodium Metaborate, 1 wt% |
| Acrylic Acid, wt% |
| 0.2 |
0.3 |
0.4 |
0.5 |
0.6 |
0.7 |
| pH |
| 9.59 |
8.94 |
8.40 |
7.61 |
6.81 |
6.09 |
| 1 |
cld |
- |
- |
- |
- |
- |
| 5 |
- |
- |
- |
- |
- |
- |
| 10 |
ppt |
ppt |
ppt |
ppt |
- |
- |
| 20 |
ppt |
ppt |
ppt |
ppt |
- |
- |
| 30 |
ppt |
ppt |
ppt |
ppt |
ppt |
- |
|
| ppt denotes precipitation, - denotes clear solution, cld denotes cloudy |
| Table 3: Summary of the acid-alkali compatibility test during 30 days at 80°C. |
