|Chemical description||Propylcarboxylic acid (non-endcapped) functionalized silica. Manufactured with a trifunctional silane.|
|Sorbent type||Weak cation exchange|
|Average particle size||50 µm|
|Pore diameter||60 Å|
|Exchange capacity||0.7 meq/g|
This method described the use of a weak cation exchange SPE column for the extraction of pyridoxine, riboflavin and thiamine from biological fluid samples.
ISOLUTE, CBA, Vitamins
Tags: Application Notes, B Vitamins, Clinical, Column, HPLC, Pyridoxine, Riboflavin, Thiamine, Urine, Water
Tags: Application Notes
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
This technical note includes specifics on the use of ISOLUTE CBA for the extraction of cationic analytes from aqueous samples (pages 1-2), ordering information (page 3) and a general discussion on cation exchange sorbents (pages 4-6).
Tags: English, Product Notes
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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|
|520-0002-A||ISOLUTE® CBA 25 mg/1 mL||Consumables||100||Log in for price|
|520-0005-A||ISOLUTE® CBA 50 mg/1 mL||Consumables||100||Log in for price|
|520-0010-A||ISOLUTE® CBA 100 mg/1 mL||Consumables||100||Log in for price|
|520-0010-AA||ISOLUTE® CBA 100 mg/1 mL (ASPEC Adaptor)||Consumables||100||Log in for price|
|520-0010-B||ISOLUTE® CBA 100 mg/3 mL||Consumables||50||Log in for price|
|520-0020-B||ISOLUTE® CBA 200 mg/3 mL||Consumables||50||Log in for price|
|520-0020-B-500||ISOLUTE® CBA 200 mg/3 mL, Bulk Pack 500||Consumables||500||Log in for price|
|520-0025-P01||ISOLUTE®-96 CBA 25 mg Fixed Well Plate||Consumables||1||Log in for price|
|520-0050-B||ISOLUTE® CBA 500 mg/3 mL||Consumables||50||Log in for price|
|520-0050-C||ISOLUTE® CBA 500 mg/6 mL||Consumables||30||Log in for price|
|520-0050-P01||ISOLUTE®-96 CBA 50 mg Fixed Well Plate||Consumables||1||Log in for price|
|520-0100-C||ISOLUTE® CBA 1 g/6 mL||Consumables||30||Log in for price|
|520-0100-P01||ISOLUTE®-96 CBA 100 mg Fixed Well Plate||Consumables||1||Log in for price|
|520-0200-D||ISOLUTE® CBA 2 g/15 mL||Consumables||20||Log in for price|
|9520-0100||ISOLUTE® CBA Bulk 100 g||Consumables||1||Log in for price|