Skip to Content
Merck
All Photos(2)

Key Documents

View All Documentation

57044

Supelco

Visiprep™ SPE Vacuum Manifold

DL (Disposable Liner), 12-port model

Sign Into View Organizational & Contract Pricing
All Photos(2)

About This Item

UNSPSC Code:
12000000

material

polypropylene tube

Quality Level

100

technique(s)

solid phase extraction (SPE): suitable

application(s)

environmental
food and beverages

Looking for similar products? Visit Product Comparison Guide

Related Categories

General description

The Visiprep DL (Disposable Liner) Vacuum Manifold eliminates the possibility of cross-contamination when processing a new sample on the same port. The liner consists of a PP female luer hub that attaches to the SPE, and thin-walled PTFE tubing that is threaded through the SPE port. This ensures that all SPE port and valve surfaces coming in contact with the sample can be replaced following each extraction.
SPE is a form of chromatography, and, as with other chromatographic techniques, control of flow rate is critical for maintaining reproducible extractions. Unlike other vacuum manifolds, the Visiprep system contains a patented valve system that allows for precise flow control through each SPE tube via rotating, independent, screw-type valves situated in each port within the manifold cover. Visiprep vacuum manifolds allow you to process up to 12 (12-port version) or 24 (24-port version) SPE samples simultaneously. Spacing between ports are slightly smaller on the 24-port versions than the 12-port versions so consideration of tube sizes is recommended.

Features and Benefits

  • Patented screw-type valves within each SPE port for precise flow control
  • Glass basin will not dissolve, fog, or discolor when exposed to solvents
  • Legs on cover allow user to easily rest cover on work surface when removed from the manifold
  • Screw-type solvent-resistant vacuum bleed gauge and valve offer better sealing and vacuum control. Valve takes 1/4″ vacuum tubing.
  • PP collection vessel rack accommodates autosampler vials; small scintillation vials (22.75 mm O.D. recommended); 10 and 16 mm test tubes; and 1, 2, 5, and 10 mL volumetric flasks. An optional plate for 20 mL scintillation vials is available for 12-port models.
Supplied with 100 disposable liners (Part No. 57059).

Legal Information

Visiprep is a trademark of Sigma-Aldrich Co. LLC

related product

Product No.
Description
Pricing

Z255998

Gum rubber laboratory tubing, tubing I.D. × O.D. 1/4 in. × 1 in.

57027

Visiprep™ DL (Disposable Liner) Replacement Liner Guide Needles (included with 57044 and 57265), for use with DL (Disposable Liner), 12- and 24-port models, stainless steel, pk of 12

57029

Visiprep™ Manifold Cover (flow control valves and gasket included), for use with DL (Disposable Liner), 12-port model

57033

Visiprep™ Manifold Replacement Gasket, for use with 12-port model (standard and DL), pk of 2

57037

Visiprep™ Manifold Collection Rack (included with standard and DL models), for use with 12-port model, includes base, 3 support rods, center plate, plate for 10 mm test tubes, 12 retaining clips

57039

Visiprep™ Manifold Plate (included with standard and DL models unless otherwise noted), for use with 12-port model (standard and DL), 16 mm test tubes

57041

Retaining Clips For Visiprep™ SPE Manifold Collection Racks, included with standard and DL, 12- and 24-port models, pk of 12

57045-U

VisIprep™ Manifold Splash Guard (not included with standard and DL models), for use with standard and DL, 12-port model

57059

Disposable Liners for Visiprep DL Manifolds (included with 57044 and 57265), PTFE, pk of 100

57028

Visiprep™ Manifold Flow Control Valve, for use with DL (Disposable Liner) 12- and 24-port models, pk of 2

57146-U

Visiprep™ Manifold Replacement Flow Control Valve Stem, for use with DL (Disposable Liner) 12- and 24-port models, pk of 24

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Sorry, we don't have COAs for this product available online at this time.

If you need assistance, please contact Customer Support.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Andrea Molina et al.
Toxins, 11(6) (2019-06-05)
Mycotoxins are secondary metabolites, produced by fungi of genera Aspergillus, Penicillium and Fusarium (among others), which produce adverse health effects on humans and animals (carcinogenic, teratogenic and immunosuppressive). In addition, mycotoxins negatively affect the productive parameters of livestock (e.g., weight

Articles

Improved Recoveries and Lower Background for GC/MS/MS and LC/MS/MS Analysis of Pesticides in Green Tea

A procedure for cleanup of green tea extracts provides low background and allowed for the analysis of more pesticides at lower levels than QuEChERS. Uses less solvents and no toluene.

Analysis of Pesticides in Turmeric Powder by LC/MS/MS and GC/MS/MS after Cleanup with Dual-Layer SPE Cartridge

Pesticide residue testing of turmeric and other (dried) spices is challenging due to their complex compositions and high matrix. An efficient SPE clean-up can be achieved by a new Dual-layer cartridge.

Analysis of Pesticide Residues in Ginger Powder Using QuEChERS Extraction and Clean-up with a Novel Dual Layer SPE Cartridge

The odor and pungency of ginger is due to the presence of terpenes, gingerols and shogaols. These compounds contribute to the highly complex matrix of ginger, which subsequently presents a challenge in low level analyses of contaminants. A novel 2-layer SPE cartridge efficiently reduces background for pesticide determination.

Protocols

Analysis of Polychlorinated Biphenyls in Fish Oil Using Supelclean EZ-POP NP, Silica Gel SPE, and an SLB-5ms GC Column

Analysis of Polychlorinated Biphenyls in Fish Oil Using Supelclean EZ-POP NP, Silica Gel SPE, and an SLB-5ms GC Column

Determination of PAHs in Paprika Powder Using a Novel SPE Cartridge

Determination of PAHs in Paprika Powder Using a Novel SPE Cartridge

LC/MS/MS Analysis of Aflatoxins in Cannabis on Ascentis® Express 2.7µm Phenyl-Hexyl after Cleanup using Supel™ Tox AflaZea SPE

solution, 2 μg/mL in acetonitrile, analytical standard

Using UHPLC/MS (TOF) for Detection of Drugs and Metabolites in Urine Following Optimized Enzymatic Hydrolysis Conditions

To optimize hydrolysis using β-glucuronidase, factors such as incubation time, temperature, hydrolysis pH, enzyme source, and enzyme concentration must be evaluated for each glucuronide metabolite to be analyzed.

Related Content

Solid Phase Extraction (SPE)

Solid phase extraction purifies samples for chromatographic analysis, improving data quality and protecting analytical columns.

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service