|Chemical description||Strong anion exchange/weak anion exchange blend|
This application note was developed for the clean-up of a non-polar solvent extract of vegetable material. The methodology is applicable to a wide range of organochlorine and organophosphorus pesticides and a number of vegetable types. The analytes are relatively non-polar, and will not be strongly retained by polar/anion exchange sorbents.
Tags: Application Notes, Clordane, Column, Dicofol, Endosulfan, Food, Food, GC-MS, Organochlorines, Organophosphate Pesticide, Organophosphates, Pesticides, Vegetables
The first decision that needs to be made is what the final analysis will be for the analyte. This will have an impact on the sample and cartridge size, as well as the final elution solvent. Gas chromatography offers higher sensitivity than HPLC, while HPLC is better suited for ionisable species and very high molecular weights. If LC-MS is available, minimal sample clean-up may be required.
Tags: Manuals & User Guides
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What is the maximum capacity of an SPE column?
The capacity of a sorbent is defined as the total mass of strongly retained analyte that can be retained by a given mass of the sorbent under optimum conditions.
For most sorbents, this can range from 1-5% by weight. 100 mg of sorbent might retain 1-5 mg of analyte.
Ion exchange sorbents typically have a capacity of 0.3-1 meq/g.Browse more questions and answers >
|Part No.||Description||Product type||Pack Size||Price|
|924-0100-C||ISOLUTE® SAX/PSA 1 g/6 mL||Consumables||30||Log in for price|