产品描述
ITEMS | STANDARDS |
Assay (by GC-FID ) | Min 99. 9 % |
Color | Max 10 APHA |
Clear colorless liquid free of suspended matter | Passes Test |
Formaldehyde | Max 0.001% |
Acetaldehyde | Max 0.001% |
Max 0.001% | |
Fluorescence at emission maximum for Impurities(as quinine sulphate) | Max 1 ppb |
LC gradient elution suitability at 254 nm | Max 2 mAu |
Residue after Evaporation | Max 2 ppm |
Titrable Acid | Max 0.0003 meq/g |
Titrable Base | Max 0.0002 meq/g |
Solubility in Water | Passes Test |
Substances Darkened by sulfuric acid | Passes Test |
Substances Reducing Permanganate | Passes Test |
Water-(by KF coulometry) | Max 500 ppm |
Optical Absorbance at | |
205 nm | Max 1.000 AU |
220 nm | Max 0.250 AU |
230 nm | Max 0.150 AU |
240 nm | Max 0.050 AU |
254 nm | Max 0.010 AU |
280 nm | Max 0.005 AU |
400 nm | Max 0.005 AU |
