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Tantalum Membrane

Tantalum-based hydrogen permeation membranes 3/8" OD x .007" wall coated with 1.5/u Pd 4" or 6" studded lengths. Other lengths available. Graphite ferrules and modified swageloks sold separately.

Please tell us about your needs and applications. There is a very good chance I have dealt with a project similar to the one you're working on. I can help you better if I know your specifics.


You can e-mail REB directly at reb@rebresearch.com or contact us through other means.



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Niobium Membrane

Niobium-based hydrogen permeation membranes 3/8" x .007" wall coated with 1.6/u Pd 4" or 6" studded lengths. Other lengths available. Graphite ferrules and modified swageloks sold separately.

Please tell us about your needs and applications. There is a very good chance I have dealt with a project similar to the one you're working on. I can help you better if I know your specifics.


You can e-mail REB directly at reb@rebresearch.com or contact us through other means.

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Pd-Ag Membrane

Pd-Ag membranes 1/8" OD x .003" wall: plain, coated with Pd, or coated with Pd-Cu. Generally sold sealed at one end and brazed to a stainless steel stub at the other. Standard length=6"+1" stub, 7" total. Selectivity to hydrogen 100%.

Please tell us about your needs and applications. There is a very good chance I have dealt with a project similar to the one you're working on. I can help you better if I know your specifics.


You can e-mail REB directly at reb@rebresearch.com or contact us through other means.

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72 Tube Bundle - $48,500

Tube bundle containing 72 Pd-Ag membranes 1/8" OD x .003" wall x 18" tall. Sold brazed into a tubesheet with spacers to hold the membranes and promote proper gas flow. For operation at pressures up to 400 psi and temperatures up to 450 C.

Please tell us about your needs and applications. There is a very good chance I have dealt with a project similar to the one you're working on. I can help you better if I know your specifics.


You can e-mail REB directly at reb@rebresearch.com or contact us through other means.

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Uniform Temperature Membrane Test Rig

Uniform Temperature Membrane Test Rig for testing the hydrogen permeation rate of metallic or other inorganic membranes. Stainless Steel, 2" Outer diameter by 8" or 18" long. Test volume is 1 1/2" ID with an internal thermocouple well. Includes couter -flow annulus to maintain temperature uniformity. Use with a copper or graphite gasket to test any type of inorganic separation membrane at pressures up to 300 psi and temperatures up to 400 C.

Please tell us about your needs and applications. There is a very good chance I have dealt with a project similar to the one you're working on. I can help you better if I know your specifics.


You can e-mail REB directly at reb@rebresearch.com or contact us through other means.

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High Pressure Membrane Test Apparatus - $3,950

High Pressure Membrane Test Apparatus, 21" tall by 1.5" outer diameter; 7/8" ID. For use testing membrane flux at pressures up to 600 psi, and temperatures up to 650 C. Seals with a 1" swagelok fitting; fits in our high temperature furnace.

Please tell us about your needs and applications. There is a very good chance I have dealt with a project similar to the one you're working on. I can help you better if I know your specifics.


You can e-mail REB directly at reb@rebresearch.com or contact us through other means.

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Modified Swagelok

Modified Swageloks (drilled out to be bigger) and ten 3/8" graphite ferrules. Very useful for testing 3/8" hydrogen permeation membranes, whether palladium-coated stainless steel, palladium-coated ceramic, or palladium-coated refractory metal.

Please tell us about your needs and applications. There is a very good chance I have dealt with a project similar to the one you're working on. I can help you better if I know your specifics.


You can e-mail REB directly at reb@rebresearch.com or contact us through other means.

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Graphite Gaskets - $250/5

Graphite Gaskets for 2 3/8" or 4" Conflat flanges. Same size as standard copper gaskets. Used for sealing conflat flanges at pressures up to 350 psi and temperatuers up to 400 C in Conflat-sealed test apparatae.

Please tell us about your needs and applications. There is a very good chance I have dealt with a project similar to the one you're working on. I can help you better if I know your specifics.


You can e-mail REB directly at reb@rebresearch.com or contact us through other means.

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Periodic Table Coffee Cup - $30

Designed by Robert E. Buxbaum, himself. Essential equipment for any membrane research program. Hydrogen appears here twice; once as an alkali metal (HCl) once as a non-metal (NaH). Shows how much extra surface area a cylinder provides by including all the rare-earth metals and lanthanides where they belong. Color = Blue of Tyre, White.

Please tell us about your needs and applications. There is a very good chance I have dealt with a project similar to the one you're working on. I can help you better if I know your specifics.


You can e-mail REB directly at reb@rebresearch.com or contact us through other means.

REB Research Hydrogen-Purification Membranes and Membrane Test Equipment

Hydrogen permeable metal membranes made of Pd-coated refractory metals or palladium-silver alloy.

Palladium silver alloy membranes are available plain, coated with palladium-grey, or coated with palladium-copper alloy. Selectivity to hydrogen = 100%. For a theoretical/experimental article on the mechanism and rate of hydrogen transport through these metal membranes, go here.

Membranes

Tantalum Membrane

Tantalum-based hydrogen permeation membranes 3/8" OD x .007" wall coated with 1.5/u Pd 4" or 6" standard lengths. Other lengths available. Graphite ferrules and modified swageloks sold separately.


Niobium Membrane

Niobium-based hydrogen permeation membranes 3/8" x .007" wall coated with 1.6/u Pd 4" or 6" standard lengths. Other lengths available. Graphite ferrules and modified swageloks sold separately.


Pd-Ag Membrane

Pd-Ag membranes 1/8" OD x .003" wall: plain, coated with Pd, or coated with Pd-Cu. Generally sold sealed at one end and brazed to a stainless steel stub at the other. Standard length=6"+1" stub, 7" total. Selectivity to hydrogen 100%. For specialty versions, go here.


72 Tube Bundle

Tube bundle containing 72 Pd-Ag membranes 1/8" OD x .003" wall x 18" tall. Sold brazed into a tube sheet with spacers to hold the membranes and promote proper gas flow. For operation at pressures up to 400 psi and temperatures up to 450 C.

Membrane Test Equipment

Uniform Temperature Membrane Test Rig

Uniform Temperature Membrane Test Rig used to test hydrogen permeation in disc or tube (specify) membranes at pressures up to 300 psi and temperatures up to 450 C. Stainless Steel, 1.75" OD with an interior volume 1.4" ID" by 8" or 18" long, sealed by a copper or graphite gasket. A counter flow annulus provides improved temperature uniformity. Membranes attach by swagelock and graphite ferrules, sold separately. Fits our high temperature furnace. See description and flows.


Higher Pressure Uniform Temperature Membrane Test Rig

Higher Pressure Membrane Test Rig, 21" tall by 1.5" outer diameter; 7/8" ID, used to test hydrogen permeation at pressures up to 600 psi and temperatures up to 650 C. Test volume is 18" long, with a counter-flow annulus for improved temperature uniformity. Test volume sealed with a 1" swagelok fitting. Membranes attach to internal holder by swagelock and graphite ferrules, sold separately. Fits our high temperature furnace. See description and flows.


Modified Swagelok

Modified Swageloks (drilled out to be bigger) and ten 3/8" graphite ferrules. Very useful for testing 3/8" hydrogen permeation membranes, whether palladium-coated stainless steel, palladium-coated ceramic, or palladium-coated refractory metal.


Graphite Gaskets

Graphite-steel Gaskets for 2 3/8" or 4" Conflat flanges. Same size as standard copper gaskets. Used for sealing conflat flanges at pressures up to 350 psi and temperatures up to 400 C.


Periodic Table Coffee Cup

Designed by Robert E. Buxbaum, himself. Essential equipment for any membrane research program. Hydrogen appears here twice; once as an alkali metal (HCl) once as a non-metal (NaH). Shows how much extra surface area a cylinder provides by including all the rare-earth metals and lanthanides where they belong. Color = Blue of Tyre, White.