Quality index of solutions:
Item
Value
TBC Toluene solution
TBC Methanol solution
TBC Aq. solution
Appearance
light yellow to amber liquid
colorless to light yellow transparent liquid
TBC(wt%)
30±1
85±0.5
Toluene (wt%)
70±1
—
Methanol (wt%)
15±0.5
Aq. solution(wt%)
Relative density ρ20
1.030-1.040
1.065-1.070
Refractive index (20℃)
1.4990-1.5110
1.5125-1.5130