Магазин
packed 2.5L
Product No 9012 Acetonitrile 'BAKER HPLC ANALYZED' HPLC Far UV / Gradient Grade
|
Test |
Specification |
Actual value |
|
|
Assay (by GC) |
min. |
99.9 % |
100.0 % |
|
Residue after Evaporation |
max. |
3 ppm |
< 3 ppm |
|
Titrable Acid (meq/g) |
max. |
0.0008 |
< 0.0008 |
|
Titrable Base (meq/g) |
max. |
0.0006 |
< 0.0006 |
|
Water (H20) |
max. |
0.02 % |
0.008 % |
|
Fluorescence Trace Impurities (as quinine base), ppb: |
|
|
|
|
at Emission Maximum for Impurities |
max. |
1.0 |
< 1.0 |
|
Measured at 450 nm |
max. |
0.3 |
< 0.3 |
|
Gradient Elution Test (PAH Suitability test) Ultraviolet |
|
|
|
|
Absorbance (a.u.) |
|
|
|
|
at 254 nm |
max. |
0.001 |
< 0.001 |
|
Ultraviolet Absorbance (1.00-cm path vs water): |
|
|
|
|
at 200 nm |
max. |
0.10 |
0.02 |
|
at 210 nm |
max. |
0.05 |
0.01 |
|
at 220 nm |
max. |
0.03 |
0.01 |
|
at 254 nm |
max. |
0.01 |
< 0.01 |
|
at 280 nm |
max. |
0.01 |
< 0.01 |
|
at 350 nm |
max. |
0.01 |
< 0.01 |
|
at 400 nm |
max. |
0.01 |
< 0.01 |
|
UV Cut-off, nm |
max. |
190 |
190 |