Proteus Alpha II (Jacketed Glass Cell)

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The Proteus Alpha II with Water-Jacketed Cell, sometimes called a flat cell, is a commonly used tool for studying corrosion of flat metal samples, often which are modified with paint or other types of coatings. The Proteus Alpha II cell is especially suited to thin and planar samples without the need for expensive sample holders or custom electrodes. The Proteus Alpha II was designed to be simple to use, quick to assemble/disassemble/clean, sturdy, flexible, and versatile.  For many applications, the Proteus Alpha II Cell from Pine Research can simplify the physical setup of of both corrosion and photoelectrochemical experiments.  Customers often choose our Proteus Alpha II Cell for the following primary reasons:

  • many flexible components to vary volume, temperature, sample size, and application are possible with this cell
  • pivoting feet holds the sample against O-rings, allowing slight curvature of the metal sample
  • easily replace flat metal samples with quartz windows for a flexible photoelectrochemical cell

There are many ways to customize the Proteus Alpha II Cell.  We offer two standard product bundles below, however we are able to offer a high degree of customization.  Simply contact us!

To view pricing, you must create an account and login using the "ACCOUNT" menu above.

#DescriptionPrice in USD
Complete Proteus Alpha II with Water-Jacketed Glass Cell Kit
[PROT-A2J]

Proteus Alpha II with Water-Jacketed Glass Cell Kit
includes water-jacketed glass cell with two 14/20 joints

reference electrode sold separately

Kit includes the items listed below
AF01CKT1000

Proteus Alpha Cell Assembly
includes two end assemblies, one electrode connector with red banana jack, one electrode connector with green banana jack, 5x #333 fluoroelastomer O-Rings, and 5x #338 fluoroelastomer O-Rings

RRPG085K2

14/20 PTFE Stopper
kit includes four

RRPG086

Dual Port Gas Inlet Accessory
14/20 joint, for degassing or bubbling into cell

RRPG095K1

Single Port Gas Outlet Accessory
14/20, 90° bend, used for gas outflow

Replacement Parts
[PROT-AJC1]

Proteus Alpha 500 mL Jacketed Cell
8" long water jacketed cell, 500 mL, with two 14/20 ports
includes special nuts and washers for use with the Proteus Alpha series endplates

KAA333V

Fluoroelastomer O-Ring
size #333, pack of 5, used between end assembly and sample or window

KAA338V

Fluoroelastomer O-Ring
size #338, pack of 5, used between cell flange and end assemblies

Reference Electrodes Shipped and Sold Separately
Reference Electrodes

click here to review reference electrode options

standard size 9.5 mm OD compatible with this system

Cell and Window Options Sold Separately
RRPG241

Standard Glass Cell for Proteus Alpha
8" long glass cell with two 14/20 joints, flanged ends

RRPG246

Quartz Window for Proteus Alpha
3.5" OD x 0.25" thick optical windows

Optional Accessories
AKPURGE1

Purge Kit for 1/4" Tubing
includes tubing and three way valve, for use with dual gas inlet

AKTUBE1420

Reference Electrode Salt Bridge Kit
isolate reference electrode from bulk solution

AFCTR5

Standard Platinum Counter Electrode Kit
includes isolation tube and adapter to fit 14/20 port, 6.9 mm OD epoxy tube shroud, 150 mm long

In Greek mythology, Proteus is a god of rivers and oceanic bodies of water, known for changing his shape.  From his name comes the adjective protean, which connotes something that is “versatile” and “capable of assuming many forms.”  Further, the adjective Protean is used to describe things that are flexible, versatile, and adaptable.  We could find no better name for this series of photoelectrochemical cells, which are able to assume many forms to suit the needs of the researcher.

The Proteus Alpha II with Water-Jacketed Cell, sometimes called a flat cell, is a commonly used tool for studying corrosion of flat metal samples, often which are modified with paint or other types of coatings. The Proteus Alpha II cell is especially suited to thin and planar samples without the need for expensive sample holders or custom electrodes. The Proteus Alpha II was designed to be simple to use, quick to assemble/disassemble/clean, sturdy, flexible, and versatile.  For many applications, the Proteus Alpha II Cell from Pine Research can simplify the physical setup of of both corrosion and photoelectrochemical experiments.


Proteus Alpha II cell design employs two rigid end assemblies on either side of a ~500 mL glass cell. This cell features an advanced design and includes several improvements over traditional flat cell designs:

  • Large bore opening (5.08 cm / 2″ OD) provides a greater electrode surface area. Custom bore adapters can be designed upon request if a user wants to work with a smaller surface area.
  • Three radial seal clamps, instead of only one. The radial arrangement reduces mechanical stress on the sample thereby minimizing stress corrosion at the point of clamp-to-sample contact. The radial arrangement also improves the seal between sample and end assembly.
  • Flexibility in sample size. The Proteus Alpha II Cell use samples that vary from thin to thick (up to 1″) with ease. There is no limitation on the lateral dimensions of the sample as long as it is larger than the exposed area defined by the O-Ring.
  • Seal clamps with pivoting feet. The seal clamps terminate with pads that can pivot in any direction. Such pads accommodate samples with some degree of curvature in addition to flat samples.
  • Glass cell for a variety of conditions. Suitable for both aqueous (water) and non-aqueous (organic solvents) electrolytes. A great deal of corrosion research is performed in aqueous solutions; however, the glass cell can be used with other solvent systems without risk of damaging the cell.
  • Low resistance electrode connection made possible by a unique electrode connection assembly.
  • On demand change of one metal sample without having to drain cell possible by holding the cell in a vertical geometry while changing out samples.
  • Common 14/20 joints across all parts of the cell for ease in making gas tight seals and connections around probes.
  • Versatile design can accommodate a cell to fit your specific needs.
  • Two-in-one cell system. Simply replace flat metal samples with quartz windows to convert the corrosion flat cell into a photoelectrochemical cell.  The protean nature of this cell lends itself to use in multiple chemical applications.

There are many ways to customize and adapt the Proteus Alpha II Cell.  We offer two standard product bundles below, however we are able to offer a high degree of customization.  Simply contact us!

Document #Title
Product Information

DRP10055

Proteus Alpha Product Description
click here to download (798 KB download)

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