ITEMS |
STANDARDS |
Assay (by GC-FID ) |
Min 99. 9 % |
Color |
Max 10 APHA |
Clear colorless liquid free of suspended matter |
Passes Test |
Fluorescence at emission maximum for Impurities(450 nm) |
Max 1 ppb |
LC gradient elution suitability at 254 nm |
Max 1 mAU |
LC gradient elution suitability at 210 nm |
Max 2 mAU |
Residue after Evaporation |
Max 1 ppm |
Titrable Acid |
Max 0.008 meq/g |
Titrable base |
Max 0.0006 meq/g |
Water-(by KF coulometry) |
Max 0.02% |
190 nm |
Max 1.000 AU |
200 nm |
Max 0.050 AU |
210 nm |
Max 0.040 AU |
220 nm |
Max 0.020 AU |
230 nm |
Max 0.010 AU |
254 nm |
Max 0.005 AU |
400 nm |
Max 0.005 AU |
乙腈,HPLC级 高效液相色谱级,高纯溶剂,可提供COA