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This video demonstrates a basic chromatography experiment that can be performed readily in most chemistry labs. The lab involves separation of the 2 dyes that make up the purple color in "grape koolaid".
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A rapid cleanup method was used for analysis of cyanuric acid or melamine in milk. A DPX-WAX tip was used by simply aspirating 500 uL of a milk solution (100 uL whole milk with 400 uL of 50/50 acetonitrile and water), mixing with the sorbent, and dispensing a clean colorless solution.
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Advantages of Using DPX Tips |
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Advantages of using DPX tips include reducing solvent usage, reducing solvent waste and increasing laboratory throughput. DPX technology is not only "greener", but it also saves money. For analysis of pesticides in fruit and vegetables, click here to find out how one laboratory has saved time and money using DPX tips.
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We had a great show at PittCon 2009 in Chicago.
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Using DPX-RP tips as "Cleanup Tips" |
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The DPX-RP tips can be used as "cleanup tips" for some applications, such as removing chlorophyll from plant extracts.
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Cleanup Tips (patent pending) are DPX tips that are used to remove sample matrix components rather than extract and isolate the analytes of interest. The methods for these tips are much faster because the extractions do not require any wash or elution steps. Simply mix the sample solution with the sorbent and dispense--within seconds the solution is ready for chromatographic analysis. Here are some examples of cleanup tips and their methods of use:
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• THC and metabolites
• Cocaine and metabolites
• Opiates (morphine, codeine)
• Amphetamines
• PCP
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• Barbiturates
• Tricyclic antidepressants
• Benzodiazepines
• Methadone
• Therapeutic drug monitoring |
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Please stop by and visit us at Booth #8 at SOFT '08. We have numerous new products and applications for rapid sample preparation, including methods for complete and semi-automation.
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