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For many applications, stainless steel emitters exhibit characteristics that are superior to those obtained with fused silica emitters:

Stable spray maintained over a wide flow rate range - from less than 50 nL/min to more than 1500 nL/min - and easily re-initiated after intermissions
Exceptional durability - reliable performance in excess of 1000 hours
Low risk of blockage - the tip is not tapered inside

Proxeon offers a wide selection of high quality, electropolished, nanobore stainless steel emitters for coupling online to a nanoflow LC system or a syringe pump when using LC-MS.

Available in different lengths, these emitters are supplied pre- inserted in microsleeves of various O.D to facilitate installation and use on NanoES and other sources.

Proxeon offers a wide selection of high quality, electropolished, nanobore stainless steel emitters for coupling online to a nanoflow LC system or a syringe pump when using LC-MS.

Available in different lengths, these emitters are supplied pre- inserted in microsleeves of various O.D to facilitate installation and use on NanoES and other sources.

Stable spray - from 10 nL/min to 40 nL/min
Long length emitters to achieve slower flow rates
Medium length emitters for samples with higher viscosity and easier "start up"
Double coating of Au/Pd for use with original Micromass sources and whenever a stronger coating is useful

Proxeon offers a range of disposable, metal-coated borosilicate capillaries for offline nano ES mass spectrometry.

Available in long or medium length and with single or double layer of Au/Pd coating. A small aliquot of sample is placed directly inside the emitters using a thin pipette tip and a static air pressure together with the application of a voltage generates a stable spray.

Custom-made emitters to suit your specific application, can also be supplied.

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Product	Order Code
Precision tweezers with grooves for Nano ES emitters. Includes: tweezers with 1.2 mm grooves for control/handling of borosilicate emitters and a capillary cutter. Contents: 1 pair	ES250
Borosilicate Emitters, Medium Metal-coated borosilicate capillaries for classic off-line nanoelectrospray analyses as described by Wilm & Mann. Stable spray of 10 nL/min to 40 nL/min. Au/Pd-coated I.D= 1 μm. Medium = length of the hair-thin outermost part of the tip. Contents: 100 pcs.	ES380
Borosilicate Emitters, Long Metal-coated borosilicate capillaries for classic off-line nanoelectrospray analyses as described by Wilm & Mann. Stable spray of 10 nL/min to 40 nL/min. Au/Pd-coated. I.D= 1μm .Long = length of the hair-thin outermost part of the tip. Long usually provides slightly lower flows than the medium type, but may not be well suited for samples of high viscosity Contents: 100 pcs.	ES381
Borosilicate Emitters, 50 Medium and 50 Long. Metal-coated borosilicate capillaries for classic off-line nanoelectrospray analyses as described by Wilm & Mann. Stable spray of 10 nL/min to 40 nL/min. Au/Pd-coated. I.D= 1 μm. Long/Medium = length of the hair-thin outermost part of the tip. Long usually provides slightly lower flows than the medium type, but may not be well suited for samples of high viscosity. Contents: 100 pcs.	ES383
Borosilicate Emitters with extra coating, Medium Metal-coated borosilicate capillaries for classic off-line nanoelectrospray analyses as described by Wilm & Mann. Stable spray of 10 nL/min to 40 nL/min. Double coating of Au/Pd. I.D= 1 μm. Medium = length of the hair-thin outermost part of the tip. Contents: 100 pcs.	ES387
Borosilicate Emitters with extra coating, Long Metal-coated borosilicate capillaries for classic off-line nanoelectrospray analyses as described by Wilm & Mann. Stable spray of 10 nL/min to 40 nL/min.. Double coating Au/Pd. I.D= 1μm. Long = length of the hair-thin outermost part of the tip.Long usually provides slightly lower flows than the medium type, but may not be well suited for samples of high viscosity. Contents: 100 pcs.	ES388
Custom-made Borosilicate Emitters. Borosilicate capillaries, user specifies opening orifice and length, O.D. 1.2 μm. Contents: 100 pcs.	ES391
Stainless Steel Emitters, length 30 mm, with sleeve O.D. 0.025 Electropolished, stainless steel LC/MS emitters, O.D. 150 μm, I.D. 30 μm. Each emitter is inserted into a microsleeve (I.D.180 µm) to facilitate installation and use on Nano ES and other ion sources. Fits to capillary holder for 0.025. Contents: 4 pcs.	ES501
Stainless Steel Emitters, length 40 mm, with sleeve O.D. 0.025. Electropolished, stainless steel LC/MS emitters, O.D. 150 μm, I.D. 30 μm. Each emitter is inserted into a microsleeve (I.D.180 µm) to facilitate installation and use on Nano ES and other ion sources. Fits to capillary holder for 0.025. Contents: 4 pcs.	ES502
Stainless Steel Emitters, length 50 mm, with sleeve O.D. 0.025 Electropolished, stainless steel LC/MS emitters, O.D. 150 μm, I.D. 30 μm. Each emitter is inserted into a microsleeve (I.D.180 µm) to facilitate installation and use on Nano ES and other ion sources. Fits to capillary holder for 0.025. Contents: 4 pcs.	ES503
Stainless Steel Emitters, length 105 mm, with sleeve O.D. 0.025 Electropolished, stainless steel LC/MS emitters, O.D. 150 μm, I.D. 30 μm. Each emitter is inserted into a microsleeve (I.D.180 µm) to facilitate installation and use on Nano ES and other ion sources. Fits to capillary holder for 0.025. Contents: 4 pcs.	ES508
Stainless Steel Emitters, length 30 mm, with sleeve O.D. 360µm Electropolished, stainless steel LC/MS emitters, O.D. 150 μm, I.D. 30 μm. Each emitter is inserted into a microsleeve (I.D.180 µm) to facilitate installation and use on Nano ES and other ion sources. Fits to capillary holder for 360µm. Contents: 4 pcs.	ES521
Stainless Steel Emitters, length 40 mm, with sleeve O.D. 360µm Electropolished, stainless steel LC/MS emitters, O.D. 150 μm, I.D. 30 μm. Each emitter is inserted into a microsleeve (I.D.180 µm) to facilitate installation and use on Nano ES and other ion sources. Fits to capillary holder for 360µm. Contents: 4 pcs.	ES522
Stainless Steel Emitters, length 50 mm, with sleeve O.D. 360µm. Electropolished, stainless steel LC/MS emitters, O.D. 150 μm, I.D. 30 μm. Each emitter is inserted into a microsleeve (I.D.180 µm) to facilitate installation and use on Nano ES and other ion sources. Fits to capillary holder for 360µm. Contents: 4 pcs.	ES523
Stainless Steel Emitters, length 105 mm, with sleeve O.D. 360µm Electropolished, stainless steel LC/MS emitters, O.D. 150 μm, I.D. 30 μm. Each emitter is inserted into a microsleeve (I.D.180 µm) to facilitate installation and use on Nano ES and other ion sources. Fits to capillary holder for 360µm. Contents: 4 pcs.	ES528
Stainless Steel Emitters, length 30 mm, with sleeve O.D. 1/32 Electropolished, stainless steel LC/MS emitters, O.D. 150 μm, I.D. 30 μm. Each emitter is inserted into a microsleeve (I.D.180 µm) to facilitate installation and use on Nano ES and other ion sources. Fits to capillary holder for 1/32. Contents: 4 pcs.	ES541
Stainless Steel Emitters, length 40 mm, with sleeve O.D. 1/32 Electropolished, stainless steel LC/MS emitters, O.D. 150 μm, I.D. 30 μm. Each emitter is inserted into a microsleeve (I.D.180 µm) to facilitate installation and use on Nano ES and other ion sources. Fits to capillary holder for 1/32. Contents: 4 pcs.	ES542
Stainless Steel Emitters, length 50 mm, with sleeve O.D. 1/32 Electropolished, stainless steel LC/MS emitters, O.D. 150 μm, I.D. 30 μm. Each emitter is inserted into a microsleeve (I.D.180 µm) to facilitate installation and use on Nano ES and other ion sources. Fits to capillary holder for 1/32. Contents: 4 pcs.	ES543
Stainless Steel Emitters, length 105 mm, with sleeve O.D. 1/32 Electropolished, stainless steel LC/MS emitters, O.D. 150 μm, I.D. 30 μm. Each emitter is inserted into a microsleeve (I.D.180 µm) to facilitate installation and use on Nano ES and other ion sources. Fits to capillary holder for 1/32. Contents: 4 pcs.	ES548
Stainless Steel Emitters, length 30 mm, with sleeve O.D. 1/16 Electropolished, stainless steel LC/MS emitters, O.D. 150 μm, I.D. 30 μm. Each emitter is inserted into a microsleeve (I.D.180 µm) to facilitate installation and use on Nano ES and other ion sources. Fits to capillary holder for 1/16. Contents: 4 pcs.	ES561
Stainless Steel Emitters, length 40 mm, with sleeve O.D. 1/16 Electropolished, stainless steel LC/MS emitters, O.D. 150 μm, I.D. 30 μm. Each emitter is inserted into a microsleeve (I.D.180 µm) to facilitate installation and use on Nano ES and other ion sources. Fits to capillary holder for 1/16. Contents: 4 pcs.	ES562
Stainless Steel Emitters, length 50 mm, with sleeve O.D. 1/16 Electropolished, stainless steel LC/MS emitters, O.D. 150 μm, I.D. 30 μm. Each emitter is inserted into a microsleeve (I.D.180 µm) to facilitate installation and use on Nano ES and other ion sources. Fits to capillary holder for 1/16. Contents: 4 pcs.	ES563
Stainless Steel Emitters, length 105 mm, with sleeve O.D. 1/16 Electropolished, stainless steel LC/MS emitters, O.D. 150 μm, I.D. 30 μm. Each emitter is inserted into a microsleeve (I.D.180 µm) to facilitate installation and use on Nano ES and other ion sources. Fits to capillary holder for 1/16. Contents: 4 pcs.	ES568

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