UNSPSC |
41115712 |
Brand |
Sep-Pak |
Product Type |
Solid Phase Extraction |
Units per Package |
20 pk |
Chemistry |
DNPH-Silica |
Endcapped |
No |
Format |
Plus Long Cartridge |
Mass Spec Compatibility |
Yes |
Mode |
Application specific |
Particle Size |
55 - 105 µm |
Pore Size |
125 Å |
Sorbent Substrate |
Silica |
Sorbent Weight |
800 mg |
Water Wettable |
No |
pH Range Min |
2 pH |
pH Range Max |
8 pH |
Hold up volume |
1.6 mL |
Sep-Pak DNPH-Silica Plus Long Cartridge, 800 mg Sorbent per Cartridge, 55-105 µm, 20/pk
Formaldehyde and other carbonyl compounds are toxic substances and promote photochemical formation within the ozone. Almost every substance in residential buildings, including plywood, particle boards, insulation, combustion appliances, and even tobacco smoke, are sources of aldehydes. The most sensitive and specific method for analyzing aldehydes and ketones is based on their reaction with 2,3-dinitrophenylhydrazine (DNPH) and subsequent analysis of the hydrazone derivatives by HPLC.
The Sep-Pak DNPH-Silica Plus Long Cartridges meet the EPA Method TO-11A, JPM HLW, and ISO 16000 requirements, and they are an excellent device for sample collection. With the use of a vacuum pump, air is redirected through the cartridge, providing a chance for a reaction between the ketones and aldehyde with the DNPH and forms the hydrazone derivatives, which will be stored within the cartridge. You can then elute the hydrazones with acetonitrile and conduct sample analysis.
These cartridges provide an unparalleled advantage in contrast to other techniques, such as liquid impingers, for the analysis of aldehydes and ketones. With the development of the new high-speed, high-resolution UPLC TEchnology application, you will also be able to get excellent quotation capability in the low parts-per-billion range.
The Sep-Pak DNPH-Silica Plus Long Cartridges have low background for higher sensitivity, save time and productivity in comparison with the other cartridges in the same range, and provide superior convenience and reproducibility, making them ideal for field sampling and process monitoring applications. With the use of the Sep-Pak DNPH-Silica Plus Long Cartridges, solvent consumption, solvent exposure, and hazardous waste disposal costs are reduced.
Find various products that are compatible with the Sep-Pak DNPH-Silica Plus Long Cartridges, including guards, vials, elution plates, from our website. The website enables you to shop for lab equipment, as well as to reach out with any queries you may have. You can direct these queries and concerns to a member of our staff, located in one of our numerous offices located globally.
You may also want to review the Sep-Pak Ozone Scrubber Potassium Iodide, Plus Short Cartridge, 1.4 g, 55-105 µm , 20/pk, which has been designed specifically to remove any ozone interference from sample collection.
How Does Polarity Affect Separation In Chromatography?
When a polar solvent is employed instead of a non-polar solvent, polar molecules exhibit stronger affinity towards the former and consequently migrate a greater distance. This behavior stems from the enhanced attraction between polar molecules and polar solvents. By comparing the movement of spots with the overall distance covered by the solvent, valuable comparisons and measurements can be derived. This analytical approach provides valuable insights into the relative interactions and behaviors of polar molecules within the chromatographic system.