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- Para-dox® Aluminum Reaction Blocks
- Lumidox® LED Arrays & Lamps
- Thermal Transfer Decks
- Flow Reactor
- Covid-19 Collection Plates
- Collection Plates
- Cap Mats
- Adhesive Sealing Films
- Glass and PP Inserts in 96 Well Format
- PCR® Plates, Cap Mats & Films
- Reservoirs, Trough Plates & Basins
- PTFE Reservoirs
- Devices & Accessories
- Thermal Transfer Plates and Decks
- Crystallization / Physical Characterization / PXRD
- UHPLC Tubing/Fitting Assemblies
- HPLC Tubing
- HPLC Fittings
- HPLC Connectors
- HPLC Adapters & Column Couplers
- Low Pressure Fittings
- Low Pressure Adapters and Connectors
- Low Pressure Valves
- Metric Fitting Adapters
- Micro Fittings, Filters & Connectors
- Inline & Pre-Column Filters
- Solvent Filters
- Chromatography Tools & Accessories
- Advantage™ 100 C8 & C18 Columns
- Advantage™ 300+ C4 & C18 Columns
- Armor™ C8 & C18 Columns
- Citus™ Echelon™ Columns
- Echelon™ Columns
- Fleet™ Direct Connect Columns
- Highload™ C18 Columns
- Lancer™ C8, C18, Cyano and Phenyl Columns
- Sprite™ Direct Connect Columns
- Guard Columns & Filters for Column Protection
- Infusion Kits & Syringes
- Valco® Valves & Accessories
- Sample Loops
- Fingertight Sample Loops
- PEEK Prep Sample Loops
- PEEK Sample Loops for High Pressure Automatic Switching Valves and 9125, 9725 and 9010 Manual PEEK Injector Valves
- Replacement High Pressure SS Sample Loops
- SS Sample Loops for 7125 and 7010 SS Injectors
- SS Sample Loops for 7725 and 7725i SS Injectors
- Stainless Steel Sample Loops
- UHPLC Fingertight Sample Loops
- Valco PEEK Sample Loops
- Valco SS Sample Loops
- Automatic Switching Valves
- Sample Injectors
- Replacement Parts & Accessories
- Replacement Lamp Parts
- Replacement Pump Parts
- Agilent (HP) Replacement Piston Seals
- Agilent (HP) Replacement Pistons
- Agilent (HP) Rotor Seals
- Agilent (HP) Self-Priming Check Valves
- Bio-Rad
- Dionex Seals
- For Waters/Berger/Multigram II/Varian Prep Systems
- Hitachi Replacement Piston Seals
- Hitachi Replacement Pistons
- Hitachi Self-Priming Check Valves
- Shimadzu Replacement Piston Seals
- Shimadzu Replacement Pistons
- Shimadzu Self-Priming Check Valves
- Waters Replacement Piston Seals
- Waters Replacement Pistons
- Waters Self-Priming Check valves
- Filter Plates
- Vacuum Filtration Systems
- Vacuum Manifold for SPE Sample Filtration
- Vacuum Manifolds for SPE, Elution and Filtration Columns
- 10 Position Vacuum Manifold – Complete System
- 12 Position Vacuum Manifold – Complete System
- 16 Position Vacuum Manifold – Complete System
- 24 Position Vacuum Manifold – Complete System
- Rplc. Parts for 10-Position Vacuum Manifold
- Rplc. Parts for 12-Position Vacuum Manifold
- Rplc. Parts for 16-Position Vacuum Manifold
- Rplc. Parts for 24-Position Vacuum Manifold
- Rplc. Parts for All Vacuum Manifolds
- EquaVAP® Evaporators
- Mobile Phase Filtration Systems, Filter Tubes & Accessories
- 47mm Filtration Apparatus – 1000mL
- 47mm Filtration Apparatus – 2000mL
- 47mm Filtration Apparatus – 4000mL
- 90mm Filtration Apparatus – 4000mL
- End to End Micro Pipettes
- Graduated Cylinder
- Low Adhesion Surface Micro-Centrifuge Tubes
- Membrane Filters
- Micro-Centrifuge Caps with O-ring Seal
- Micro-Spin Filter Tubes
- Mini-Prep Filter Vials
- Mobile Phase Bottle Caps
- Mobile Phase Pick-Up Adapter with Valve
- Mobile Phase Reservoirs
- MWCO Micro-Spin Filters – PES
- MWCO Micro-Spin Filters – PVDF
- Transfer Pipettes
- Vacuum Filter Systems – Complete
- Vacuum Filter Systems – Replacement Parts
- Writable Colored Cap Inserts
- Syringe Filter Syringes
- 8mm Vials & Vial Kits
- 9mm Vials & Vial Kits
- 9mm Precision MSQ™ Vial Kits
- 10mm Vials & Vial Kits
- 11mm Vials & Accessories
- 13mm Vials & Vial Kits
- Snap & Seal Vials
- Head Space Vials
- EPA/VOA & Scintillation Vials
- Cryovials & Microtubes
- Vial Handling & Storage
- Aluminum blocks for 20mL or 40mL Scintillation Vials
Mobile Phase Bottle Safety Caps
Laboratory safety is very important to Analytical Sales and Services, Inc. Our mobile phase screw caps are made from high quality polypropylene
with machined PTFE centers. Tubing lines are held in place with secure finger tight fittings, and will no longer become tangled upon removal
of the cap because of the 2-part design (threaded portion spins independently of the center). There is an additional O-ring between the
Teflon center and cap surface to ensure no evaporation. All mobile phase screw caps come with replaceable air check valves. Safety caps
are available in GL38, GL45, S55, and B83 threads.
Call us to design your custom mobile phase cap, at no extra charge.
Call us to design your custom mobile phase cap, at no extra charge.
 | Diagram: How Mobile Phase Safety Caps Function
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 | Container Thread Dimensions Guide
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| Diagram: How Mobile Phase Safety Caps Function Expand
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| Container Thread Dimensions Guide
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Container Thread
Dimensions Guide
Dimensions Guide
| Cap | AD (mm) | Note |
|---|---|---|
| GL32 | 31.5 | |
| GL38 | 37.5 | for Wheaton and Nalgene bottles |
| GL40 | 40 | for Merck bottles |
| GL45 | 44.5 | |
| B50 | 50 | for space saving can |
| B51 | 48 | |
| B53 | 53 | for Nalgene bottles and cans |
| S55 | 53.5 | |
| S60 | 59 | |
| B63 | 62 | for Nalgene bottles and cans |
| S65 | 64.5 | for KAUTEX cans |
| S71 | 70 | |
| GL80 | 80 | |
| B83 | 88 | for Nalgene bottles and cans (approx. 13mm thread lead) |
| S90 | 88 | |
| S95 | 94 |
Note: All dimensions could very +/- 0.5mm depending on the manufacturer.
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GL45 Mobile Phase Caps
We offer a wide range of options for GL45 caps, including custom port sizes for various sized tubing and several color options so that you can easily identify your solvent...
GL38 Mobile Phase Caps
Our GL38 mobile phase safety caps are direct replacements to solvent manufacturer’s amber solvent bottle caps, and require no additional adapters. Available in a wide...
B83 Mobile Phase Caps
As it is with our other mobile phase safety caps, our B83 caps are available in custom formats, per your request!
S55 Mobile Phase Caps
Our S55 mobile phase safety caps for large solvent containers are also made for large waste containers. They are available with ports for 1/16”, 1/8” and 1/4” OD...