Acetonitrile
Orochem’s UV/ HPLC grade Acetonitrile is manufactured to the highest specifications to ensure the integrity of your data, maximize sensitivity in your assay and to prolong the life of your equipment. With Orochem’s HPLC Grade Solvents, scientists can expect a consistent, high purity product which is necessary to create reliable Chromatography methods and protocols. Orochem HPLC solvents are lot-to-lot analyzed to meet the high quality specifications for HPLC separations. We control the low levels of peak impurities, residue, water, acidity and alkalinity, the high chemical purity and the UV transmittance; all of which are critical parameters for a successful HPLC application.
Specifications for Acetonitrile
| Product Specification | Limits | Typical Lot analysis |
| UV absorbance@ | ||
| 400-254nm | 0.005max | 0.000 |
| 220nm | 0.01max | 0.000 |
| 200nm | 0.05max | 0.010 |
| UV cut off ,nm | 190max | <190 |
| Density 25C (g/ml) | 0.775-0.780 | 0.778 |
| Filtered to 0.2um max | Per lot | Pass |
| Fluorescence Trace Impurities at 450nm emission | 0.3 ppb max | 0.03ppb |
| At emission maximum For Impurities | 1ppb max | 0.2ppb |
| Fluorescence Detection(PAH) | 0.5ppb max | 0.5ppb |
| Carbonyl Compounds(As Acetone) | 25ppbmax | 10ppb |
| Assay(by GC corrected for Water) | 99.9%min | 99.95% |
| Residue After Evaporation | 1ppm max | <1ppm |
| Color(APHA) | 10 max | 3 |
| Appearance | Clear | Clear |
| Titrable Acid, max | 0.0008 meq/g | 0.0007meq/g |
| Titrable Base, max | 0.0007meq/g | <0.0001meq/g |
| Water, max | 100 ppm | 90 ppm |
| Gradient Elution@ | ||
| 254nm | 0.0005max | Pass |
| 210nm | 0.002max | Pass |
| Identification(1R/GC) | To Conform | Pass |
Specifications
| Catalog | Description |
| 300ORO/HPLC | Acetonitrile HPLC grade( 4ltr/bottle) |
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