|
Inspection
Characteristic
|
Test-result
|
Specification
|
Test method
|
| 2--Pyrrolidone |
99.81 %
|
|
|
|
| 1,4-Butandiol |
0.08 %
|
|
|
|
| Gamma-Butyrolactone |
0.02 %
|
|
|
|
| Water |
0.03 %
|
|
|
|
| Hazen Color |
<1 APHA
|
|
|
|
| PH-value 10%ig in Water |
9.90
|
|
|
|
| Solidification Point |
25.6 Grad Celsius
|
|
|
|
| Iron |
<1 ppm
|
|
|
|
| Heavy Metals |
<10 ppm
|
|
|
|
|