Days Sodium Metaborate wt%
0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
pH
8.96 8.94 9.15 9.18 9.23 9.38 9.72 9.98 10.19
0 clo clo clo clo clo ppt ppt ppt ppt
1 ppt Ppt ppt ppt ppt ppt ppt ppt ppt
5 ppt Ppt ppt ppt ppt ppt ppt ppt ppt
10 ppt Ppt ppt ppt ppt ppt ppt ppt ppt
15 ppt Ppt ppt ppt ppt ppt ppt ppt ppt
Table 2: Occurrences of precipitation by sodium metaborate during 15 days at 80°C.