Sample Preparation
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- ISOLUTE® SPE Columns and Plates
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- Biotage® Syro Wave™
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ISOLUTE® PSA
SPE Columns
ISOLUTE® PSA is a weak anion exchange sorbent used to extract strong acids and polyacidic compounds from aqueous samples.
Alternatively, it can be used as a polar sorbent to extract polar analytes from non-aqueous matrices.
| Chemical description | Ethylenediamine-n-propyl (non-endcapped) functionalized silica. Manufactured using trifunctional silane. |
| Sorbent type | Weak anion exchange. Can also be used as a polar sorbent |
| Average particle size | 50 µm |
| Pore diameter | 60 Å |
| Exchange capacity | 0.4 meq/g |
| pKa | 10.1 and 10.9 |
» CATALOGS
Analytical Sample Preparation 2018 Catalog
In this catalog product information is displayed with easy-to-follow application details and supporting documentation.
Ordering information is found following each product listing.
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» MANUALS & USER GUIDES
QuickStart Guide to SPE
QuickStart Guide to SPE
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Manuals & User Guides
Step By Step Guide To SPE Method Development
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.
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» MATERIAL SAFETY DATA SHEETS
Safety Data Sheet ISOLUTE PSA
ISOLUTE P. S. A.
9480
Laboratory chemical
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Material Safety Data Sheets
» PRODUCT NOTES
Method Development Guidelines: Solid Phase Extraction Using Polar, Silica Based ISOLUTE® SPE Sorbents for the Extraction of Non-Aqueous Samples
The ISOLUTE® family of polar sorbents are used to extract polar organic compounds from non-polar matrixes.
There are many functional groups that can exhibit polar interactions, and they have different selectivities.Some of the polar interactions that exist include dipole-dipole,dipole-induced dipole and hydrogen bonding. Polar interactions are particularly useful for the separation of molecules that are very similar in structure (e.g. structural isomers.
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Product Notes
Method Development in Solid Phase Extraction using ISOLUTE® PSA SPE Columns for the Extraction of Aqueous Samples
This technical note includes), specifics on the use of ISOLUTE® PSA for the extraction of anionic
analytes from aqueous samples (page 1-2), ordering information (page 3) and a general discussion
on anion exchangers (pages 4-5). For information on extraction of anionic analytes from nonaqueous
matrices, contact Argonaut Technologies.
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Product Notes
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News
11 January 2018The 2018 Analytical Catalog is Here
The Biotage 2018 catalog of analytical sample preparation products for chemistry professionals is now available. This edition includes a comprehensive range of sample preparation consumables for bi...
17 July 2017Biotage Goes Direct in Italy
On July 1st, Biotage expanded its direct sales organization and opened the door to analytical customers in Italy. Account Manager Gianluca Pessoni is added to the Italian team, filling the ana...
28 June 2017Extraction of Tobacco-Specific Nitrosamines (TSNAs) from Urine Using ISOLUTE® SLE+ Prior to UPLC/MS/MS Analysis
This application note from Biotage Labs describes a method for extracting nitrosamines from urine. The ISOLUTE® SLE+ sample preparation method allows for a fast extraction with sufficient sampl...
15 June 2017Extraction of Amphetamines and Analogues from Hair Using ISOLUTE® SLE+ Prior to GC/MS Analysis
This application note describes the extraction of amphetamine and amphetamine-style compounds from hair matrix prior to GC/MS analysis following bead homogenization. This application note describe...
20 March 2017Automated Fractionation of Extractable Petroleum Hydrocarbons (EPH) in Soil
This application note describes the operating conditions for the automated fractionation of EPH into aliphatic and PAH fractions using the ISOLUTE® EPH column in conjunction with the Biotage&re...
20 February 2017Extraction of 49 Illicit Drugs of Abuse from Whole Blood Using ISOLUTE® SLE+
This application note describes the extraction of 49 drugs of abuse from whole blood, prior to UPLC-MS/MS analysis. An effective and efficient ISOLUTE SLE+ protocol optimized the for ...
05 January 20162016 Analytical Sample Preparation Catalog Released
Now available, the Biotage 2016 catalog of analytical sample preparation products for chemistry professionals. This edition includes a comprehensive range of products for bioanalysis, forensic, cli...
11 August 2015Why Dilute and Shoot Ruins Your Results
Dilute and shoot (D&S) methods are promoted for use by analytical instrument vendors in clinical, forensic toxicology and bioanalytical laboratories. More sensitive LC-MS/MS systems make this s...
27 March 2015New Video – Thirty Years of Packing Flash Columns
Biotage, pioneers in flash chromatography, started packing columns with silica for flash purification 30 years ago. Some of the first employees are still with us today. In this video, site director...
08 January 20152015 Analytical Sample Preparation Catalog Released
Now available, the Biotage 2015 catalog of analytical sample preparation products for chemistry professionals. This edition includes a comprehensive range of products for bioanalysis, forensic, cli...
29 July 2014Free Shipping on EU Web Orders
Buy your Biotage consumables through our website and shipping is free For a limited time, free shipping is applied to Biotage consumables orders through the Biotage website*. Let Biotage make orde...
Q&A
SPE column capacity
01 July 2013Question:
What is the maximum capacity of an SPE column?
Answer:
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 >CONSUMABLES
| Part No. | Description | Product type | Pack Size | Price | ||
|
480-0020-B | ISOLUTE® PSA 200 mg/3 mL | Consumables | 50 | Log in for price | |
|
480-0050-B | ISOLUTE® PSA 500 mg/3 mL | Consumables | 50 | Log in for price | |
|
480-0050-C | ISOLUTE® PSA 500 mg/6 mL | Consumables | 30 | Log in for price | |
|
480-0100-C | ISOLUTE® PSA 1 g/6 mL | Consumables | 30 | Log in for price | |
|
9480-0100 | ISOLUTE® PSA Bulk 100 g | Consumables | 1 | Log in for price | |
ISOLUTE® PSA is an ethylenediamine-n-propyl bonded sorbent sorbent used for the extraction of strongly acidic compounds (e.g. those containing sulfonic acid groups) or analytes unstable under acidic conditions, from aqueous samples using a weak anion exchange retention mechanism. It can also be used to complex with certain metal cations. Analyte elution can be performed by neutralizing charge on the sorbent (high pH). The sorbent is supplied as the free base.
Alternatively, ISOLUTE PSA can be used for extraction of polar compounds from a non-polar matrix using a hydrogen bonding retention mechanism. It is less retentive than ISOLUTE SI.
ISOLUTE PSA is available in a wide range of SPE columns formats.
ISOLUTE PSA is also available as loose sorbent (100g pack).
