Scientific Instrument Services, Inc. Supplies and Services for Mass Spectrometers, Gas Chromatographs, and Liquid Chromatographs.

Short Path Thermal Desorption Accessories

Aluminum Funnel for Loading Packings into Desorption Tubes

Funnel

This small aluminum funnel slips over the end of the 11/4 inch O.D. Desorption tube to enable the easy loading of adsorbent resins into the desorption tubes.

Part No. UOM est
wt.		 Quantity
In Stock		 Price Quantity
to order
781122 --- 0(#)CALL
(#) Standard lead-time for out-of-stock items is approximately two weeks.
shopping cart Ordering information. International (non-US) prices available through your local dealer.

Tap & Die

  • Clean threads on GLT desorption tubes & accessory fittings
  • 1/4" x 48 thread/ in.
  • Accessory handle for tap available

Tap and Die Handle Holder

These taps and dies are used to clean threads or desorption tubes on accessories threader when they become contaminated or slightly cross threaded.

UOM=EA
Part No. Description est
wt.		 Quantity
In Stock		 Price Quantity
to order
789001 1/4in x 48 TPI die 0.25 0(#)$62.50
789002 1/4in x 48 TPI tap 0.25 4$46.00
G93 Accessory handle for tap 0.25 0(#)------
(#) Standard lead-time for out-of-stock items is approximately two weeks.
shopping cart Ordering information. International (non-US) prices available through your local dealer.

Tech Tip If the desorption tube threads exhibit any restriction or drag on threading into the desorption system or when attaching a needle, the threads on the tube should be cleaned using a thread die, otherwise the desorption tube should seize in the system.

Neolube

For coating threads on fittings

  • Graphite carbon in Isopropanol solvent
  • Coat threads for smooth operation
  • No oils or other high boiling contaminants

NeolubeNeolube is used to coat the threads on fittings to assure a smooth operation. Neolube is graphite dissolved in Isopropanol solvent. Within minutes of application the Isopropanol evaporates off leaving only graphite to lubricate the threads. No oils or other high boiling contaminants are present to contaminate vacuum of high purity systems.

Neolube No. 1 is a dry film, conductive lubricant, used in many applications as an anti-seize compound, thread lubricant and for lubricating moving parts and rubbing surfaces.  

The composition of this material is 99% pure furnace graphite particles in Isopropanol. The material has excellent radiation resistance and high chemical purity.  The thin, non corrosive film of Neolube 1 prevents seizing, frettign, galling and resists abrasion. It is easy to apply by spray, brush or dip and has excellent adhesion after a fast air dry.  It does not migrate and it is non freezable.   Neolube No 1 allows for easy assembly and non destructive disassembly.  It has the properties which enable it to be used for lubrication in internal and external applications. 

Physical Properties of Neolube

Total Solids Content, weight percent 3.3% +/- 0.5%
Maximum particle dimension of 90% of particles 4 Microns
Maximum particle dimension of any particle 10 microns
Lubricant Processed micro graphite
Binder Thermoplastic resin
Dilutent Isopropanol
Consistency Thin liquid
Shelf life No limit in closed container
Temperature range -70 deg F - 400 deg F
Color Black
Flash Point 52 deg F
Coeffecient of friction 0.030 - 0.090

Neolube is ideal to coat the threads for the desorption system. Needles and fittings go on much easier and no system contamination occurs. 

Part No. Description UOM est
wt.		 Quantity
In Stock		 Price Quantity
to order
789003 NeolubeEA 0.25 22$34.00
shopping cart Ordering information. International (non-US) prices available through your local dealer.

Cleaning Brushes

For cleaning inside GLT desorption tubes

  • S.S. construction with 6" long handle
  • 2 diameter brushes available - 3mm or 4mm
  • Use to thoroughly clean particles inside GLT desorption tubes

Cleaning Brush

These stainless steel brushes are designed to clean the S.I.S. GLT desorption tubes when samples fuse to the inner wall. Two sizes (3mm & 4mm) are available to clean both sizes of GLT desorption tubes.

UOM=EA
Part No. Description est
wt.		 Quantity
In Stock		 Price Quantity
to order
SMS04016003 3mm diameter Stainless Steel Cleaning Brush 0.25 18$8.00
SMS04016004 4mm diameter Stainless Steel Cleaning Brush 0.25 39$8.00
shopping cart Ordering information. International (non-US) prices available through your local dealer.

Tech Tip Charred residues can be easily removed from desorption tubes with a small wire brush.

Small Sample Spatula

For loading small samples into GLT desorption tubes
  • S.S. one piece construction
  • For introducing small samples into the GLT desorption tubes
  • Overall length - 4 inches

Spatula

The stainless steel spatulas are designed to introduce small samples into the GLT desorption tubes. The small cupped end fits inside the GLT desorption tubes to permit the easy insertion of solid samples. The spatulas are a one piece construction including a 4" long stainless steel handle.

Part No. Description UOM est
wt.		 Quantity
In Stock		 Price Quantity
to order
781099 Stainless Steel SpatulaEA 0.25 635$4.50(*A)
(*_) Marked parts have bulk quantity discount pricing:
Discount code 'A' -- 10 or more: 5% off; 50 or more: 10% off.
shopping cart Ordering information. International (non-US) prices available through your local dealer.
SIS Catalog Cross Reference
Page #Part Numbers
C12 - Short Path™ Thermal Desorption Tubes 781122
C33 - Thermal Desorption Accessories 781099, 789001, 789002, 789003, SMS04016003, SMS04016004
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