rhenium filament replace

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Filament Assembly - waters com

About Pure Rhenium Pure rhenium is an important material for many scientific instrument filaments as well as other electron and ion source filaments Most rhenium naturally occurs in porphyry copper deposits Hydrogen reduction is used to convert ammonium perrhenate to pure rhenium powder The pure rhenium powder is pressed and sintered into ingots These pure …

Ion Trap Device ITD Filament Assembly Analytical West

Filament Bruker Varian GC and GC MS Plug-in type replacement filament for ion trap mass spectrometers Direct replacements for those supplied by the instrument companies Each filament assembly contains two rhenium filaments tensioned and aligned to …

M960080BC1 - Filament Iridium

Tungsten rhenium thermocouple can partially replace platinum-iridium thermocouple as ultra-high temperature measurement tools for high-tech metallurgical industry high-temperature electronic thermoelectric system structural engineering space vehicles and nuclear reactors Round Rhenium Products MOCVD Heater Filaments Min 20 5g Cm3

Replacement TCD from Gow-Mac News gasworld

Gow-Mac Instrument Co long known for its expertise in the manufacturing of thermal conductivity detectors TCD is to provide a replacement TCD for the HP 5890A or 5890 Series II gas chromatograph GC products Each detector comes ready to …

Tungsten Rhenium Thermocouple Wire Tungsten Rhenium

Rhenium is used with platinum as catalysts in the production of lead-free high-octane gasoline The metal is used in alloys for jet engines and in tungsten and molybdenum based alloys It is widely used as filaments for mass spectrographs

Marathon Filament for PerkinElmer GC MS Systems PerkinElmer

CONTACT MasCom Technologies Sophie-Germain-Str 4 28201 Bremen Fon 49 0 421 57297 0 Fax 49 0 421 57103 2 info mascom-bremen de

Replacement TCD from Gow-Mac News gasworld

Rhenium Wire and Ribbon is used to manufacture filaments for mass spectrometers and ion gauges as well as medical applications Rhenium Wire and Ribbon - Filament and Heater Material Replacement heaters and temperature sensors for your mass spectrometer

Incandescent light bulb - Wikipedia

The Edwards APG100-XM replacement gauge tube sensors standard Tungsten Rhenium filaments have a NW16 KF16 vacuum flange and are designed to fit the APG100-XM Active Pirani Electronics housing They are a cost effective repair solution

Oxygen and carbon monoxide isotope exchange reactions on

Tungsten filaments are also called cathodes or electron emitters or electron sources The high quality filaments we offer are made to the original equipment manufacturer s specifications using special tools to guarantee the correct shape for the filaments and to generate the optimum electron beam The filaments are annealed in vacuum stress

Tungsten Filaments for Electron Microscopes

Agilent HP Filaments can be repaired by S I S We will completely clean the assembly and replace the rhenium filament wire This is not an exchange program Your filaments are repaired and returned to you For a complete description of this repair service see the section on Mass Spectrometer Filament Repair and Manufacture

Filament Heater Repair A9 - Irida

Buy Filament Assembly products including M960080BC2 - Rhenium Filament Assembly M946003BC1 - Feedthro Assembly Filament Heater S100683BC0-S - Filament Assembly 2PK PRODUCTS 505550 PROD nProducts Replacement Schedule As Needed Add to Cart Add to Shopping Favorites M960080BC2 - Rhenium Filament Assembly

US20100277051A1 - Emission filaments made from a rhenium

The periodic table had two vacant slots below manganese and finding these missing elements technetium and rhenium proved difficult Rhenium was the lower one and indeed it was the last stable non-radioactive naturally-occurring element to be discovered

NASA CONTRACTOR REPORT

the highest purity Rhenium Heater Filament on the market Rhenium Alloys offers discounts on new rhenium filaments with the trade-in of obsolete or old rhenium filaments Rhenium Alloys can also repair minimally damaged filaments on a case by case basis Although most repairs return the filaments back to original functionality Rhenium Alloys

Filaments new - MasCom

Rhenium has a high melting point and a low vapor pressure similar to tantalum and tungsten Therefore rhenium filaments exhibit a higher stability if the filament is operated not in vacuum but in oxygen-containing atmosphere Those filaments are widely used in mass spectrometers in ion gauges and in photoflash lamps in photography

Absolute isotopic abundance ratio and atomic weight of a

Agar Scientific tungsten filaments are made with specially designed jigs which ensure accuracy and reproducibility in production High-ductility tungsten wire is used to minimise strain All filaments are stress relieved by flashing in a vacuum at temperatures above the normal operating level and are then checked for accuracy of centring

Custom Filaments Vacuum Measurement - Fredericks Company

The Agilent Technologies filaments can be repaired We will completely clean the assembly and replace the rhenium filament wire or coil Agilent Technologies FILAMENT REPAIR NEWAgilent Technologies FILAMENTS HPF4 - 5970 Filament Ignitor Assembly Filament HPF2 - 5989 Engine Filament HPF3 Filament HPF1 Filament 5972 5973 Filament 5975 Filament

Hydrogen isotope replacement reactions on rhenium

M960080BC1 - Filament Iridium This part is used with the cooled source probe

Filament Bruker Varian GC and GC MS Analytical West

FILSERV manufactures a range of ionisation gauge heads including replacement filaments for these and older obsolescent gauge heads FILSERV also makes a range of iridium and tungsten filaments for Mass Spectrometry organic spectroscopy and X-ray sources many of which are coated with thorium or yttrium oxide to improve electron emission

Rhenium - Wikipedia

Also shown in fig 6 is the reverse sequence in which ^C^O was the replacing agent for the Fig 6 Replacement of 160 adsorbed on rhenium by ls0 and vice versa Filament temperature 900 K carbon monoxide pressure 6 X 10 8 Torr 532 R P H Gasser D E Holt Oxygen and CO isotope exchange reactions on Re newly-absorbed O

MARATHON FILAMENT FOR PERKINELMER GC MS SYSTEMS

SURFACE SCIENCE 36 1973 494-512 North-Holland Publishing Co HYDROGEN ISOTOPE REPLACEMENT REACTIONS ON RHENIUM R P H GASSER G MORRIS and A K SZCZEPURA Physical Chemistry Laboratory South Parks Road Oxford 0X1 3QZ England Received 9 October 1972 revised manuscript received 20 December 1972 The existence of a mobile equilibrium at room …

Rhenium Alloys MOCVD Heater Filaments

Plug-in type replacement filament for ion trap mass spectrometers Direct replacements for those supplied by Thermo Varian Perkin-Elmer Teledyne and Each filament assembly contains two rhenium filaments tensioned and aligned to maximize mass spectrometer performance

Rhenium Wire and Ribbon - Filament and Heater Material

Rhenium Filament Discounts and Trade-Ins Rhenium Alloys offers discounts on new rhenium filaments with the trade-in of obsolete or old rhenium filaments MOCVD Filament Repair Rhenium Alloys can also repair minimally damaged filaments on a case by case basis

Agilent HP Filament Repair at SIS

A new Rhenium alloy usable for improving the performance of emission filaments used in mass spectrometers or other similar scientific instruments which is made by adding low level concentrations of Yttrium Oxide to Rhenium of less than 10 This new alloy has demonstrated superior performance characteristics compared to pure Rhenium for this purpose

Installation Instructions for Replacing Detector Filaments

aluminum nitride charge directly in contact with the filament which served to both melt and contain the charge Filaments of tungsten rhenium and graphite were utilized in this study The dual element furnace was insulated with zirconia to prevent excessive …

Ideal Vacuum Edwards Replacement APG100-XM Active Pirani

Lanthanum Filaments We offer lanthanum boride coated rhenium filaments for use in high vacuum below 10-5 Torr or inert environments These filaments provide better power efficiency than other filament offerings from The Fredericks Company

Rhenium for Scientific Instrument Filaments Properties

solution containing 5 mg ml of rhenium as perrhenic acid in 5 percent sulfuric acid was placed on a tungsten filament A high purity platinum wire anode which was cleaned with dilute nitric acid between each plat­ ing was placed on the top of the solution drop and rhenium was electrolytically deposited onto the

Filament Thermo Finnigan GC MS Analytical West

Filament Bruker Varian GC and GC MS Plug-in type replacement filament for ion trap mass spectrometers Direct replacements for those supplied by the instrument companies Each filament assembly contains two rhenium filaments tensioned and aligned to …

Filament Bruker Varian GC and GC MS Analytical West

May 18 2015· In the ionization chamber he replaced the radioactive nickel with an even more powerful ionizer a red-hot filament made out of rhenium one of the rarest metals on Earth The filament emits a beam of high-energy electrons that is powerful enough to directly ionize the CFC-replacement …

Rhenium MOCVD Heater Filaments

Gow-Mac Instrument Co long known for its expertise in the manufacturing of thermal conductivity detectors TCD is to provide a replacement TCD for the HP 5890A or 5890 Series II gas chromatograph GC products Each detector comes ready to …

Bottled air from all over the world tells story of ozone

Installation Instructions for Replacing Detector Filaments First you must make sure that you are using the correct type of replacement filaments We have our regular nickel iron filaments and then we have Tungsten Rhenium filaments for H2S or SO2 When replacing filaments you MUST replace all four at the same time These are balanced