+852-3069 6950
css@gugent.com.hk
 

We have developed a unique portfolio of consumables, each adapted to the different feed water quality requirements and to your various applications. To maintain your water system’s performance, it’s critical to replace your purification cartridges on time and with genuine ISO 9001-certified parts.

Catalog No. Product Net Price
XX6700118 Connection Adapter 1/4 in. NPTF to 1/4 in. I.D. hose Nylon 14 
Add to Cart
  • Background Information
  • Millipore has a broad selection of fittings, adapters, valves, gauges, and tubing that can be used in conjunction with Millipore filtration systems. With stated exceptions, material of construction is Series 300 stainless steel.Tri-Clamp (TC) fittings are referred to by convention as 1 1/2", 2", etc. 1 1/2" TC fittings connect to 1" or 1 1/2" O.D. tube sizes. 2" TC fittings connect to 2" O.D. tube size only.
  • Catalogue Number
  • XX6700118
  • Diameter
  • 6.3 mm (0.25 in.) (I.D.)
  • Material Size
  • 2
  • Materials of Construction
  • Nylon
XX6504709 PVC Bottle, 120 mL 16 
Add to Cart
  • Applicable Device
  • Patch Test Kit
  • Background Information
  • The MilliporeSigma Patch Test Kit is a complete solution for field-based collection and analysis of hydrocarbon-based hydraulic fluids, bulk chemicals, boiler water, and lubricating oils. It allows the detection of significant changes in cleanliness through dependable, sensitive, colorimetric-based analysis.- Monitors particulate contamination rapidly in hydrocarbon-based hydraulic fluids, bulk chemicals, boiler water and lubricating oils - Filter color rating and particle assessment scales correspond to recognized standard contamination levels - Detects significant changes in cleanliness through dependable and sensitive test results - Comes with filters for 100 tests Features & Benefits:•Contains enough expendable materials for 100 tests •Contained within a lightweight, easy-to-carry case •Filter color rating and particle assessment scales correspond to recognized standard contamination levels Applications:In-Field Contamination Analysis of Hydrocarbon-Based Hydraulic Fluids, Water, Lubricating Oils and Related ProductsKit Catalog Number XX6504730 Patch Test KitComponentsPD1504700 PetriSlides for contamination analysisSMWP02500 MF-Millipore Membrane Filter, 5.0 µm, 25 mm, white, plain, 100SMWP04700 MF-Millipore Membrane Filter, 5.0 µm, 47 mm, white, plain, 100XX6200006P Filter forceps, blunt end, stainless steelXX6200035 Hand Vacuum Pump, stainless steelXX6300120 Patch Test Filter Holder AssemblyXX6504704 Solvent Dispensing BottleXX6504707 Swinnex 25 mm with back-pressure screenXX6504709 PVC Bottle, 120 mLXX6504710 Tubing for vacuum, 1/8 in., fluoroelastomerXX6504713 Naval Fluid Color Guide 1Replacement Parts Clear Sorting & FilteringXX2004701 Funnel Locking RingXX2004703 Gasket, PTFEXX4004714 Locking Ring Gasket, PTFEXX6300123 O-ring, 2-233, Buna-NXX6504708 Stainless Steel Holder Support with base
  • Catalogue Number
  • XX6504709
  • Chemistry
  • Polyvinyl Chloride (PVC)
  • Material Size
  • 1
XX6504709 PVC Bottle, 120 mL 16 
Add to Cart
  • Applicable Device
  • Patch Test Kit
  • Background Information
  • The MilliporeSigma Patch Test Kit is a complete solution for field-based collection and analysis of hydrocarbon-based hydraulic fluids, bulk chemicals, boiler water, and lubricating oils. It allows the detection of significant changes in cleanliness through dependable, sensitive, colorimetric-based analysis.- Monitors particulate contamination rapidly in hydrocarbon-based hydraulic fluids, bulk chemicals, boiler water and lubricating oils - Filter color rating and particle assessment scales correspond to recognized standard contamination levels - Detects significant changes in cleanliness through dependable and sensitive test results - Comes with filters for 100 tests Features & Benefits:•Contains enough expendable materials for 100 tests •Contained within a lightweight, easy-to-carry case •Filter color rating and particle assessment scales correspond to recognized standard contamination levels Applications:In-Field Contamination Analysis of Hydrocarbon-Based Hydraulic Fluids, Water, Lubricating Oils and Related ProductsKit Catalog Number XX6504730 Patch Test KitComponentsPD1504700 PetriSlides for contamination analysisSMWP02500 MF-Millipore Membrane Filter, 5.0 µm, 25 mm, white, plain, 100SMWP04700 MF-Millipore Membrane Filter, 5.0 µm, 47 mm, white, plain, 100XX6200006P Filter forceps, blunt end, stainless steelXX6200035 Hand Vacuum Pump, stainless steelXX6300120 Patch Test Filter Holder AssemblyXX6504704 Solvent Dispensing BottleXX6504707 Swinnex 25 mm with back-pressure screenXX6504709 PVC Bottle, 120 mLXX6504710 Tubing for vacuum, 1/8 in., fluoroelastomerXX6504713 Naval Fluid Color Guide 1Replacement Parts Clear Sorting & FilteringXX2004701 Funnel Locking RingXX2004703 Gasket, PTFEXX4004714 Locking Ring Gasket, PTFEXX6300123 O-ring, 2-233, Buna-NXX6504708 Stainless Steel Holder Support with base
  • Catalogue Number
  • XX6504709
  • Chemistry
  • Polyvinyl Chloride (PVC)
  • Material Size
  • 1
XX6403780 Tubing, 3/16 in. I.D., Tygon 17 
Add to Cart
  • Background Information
  • The Fluid Sampling Kit is a complete solution for field-based fluid collection and contamination analysis. The stainless steel sampler assembly plugs into a quick-release valve installed in the system line, which allows a measured quantity of liquid to pass through the monitor. A valved syringe serves as a pump to remove residual liquid from the monitor. Kit is compatible with our 37 mm contamination monitors and matched-weight monitors.For gravimetric analysis, accessory Matched-Weight Monitors eliminate filter pre-weighing before sampling.Features & Benefits:•Sturdy carrying case and stainless steel sampling assembly provide years of in-field service •Fluid Sampling Kit includes 12 Tenite® contamination monitors Applications:For sampling turbine fuels, water or other liquids through Millipore Contamination Analysis Monitors prior to gravimetric or colorimetric analysis.
  • Catalogue Number
  • XX6403780
  • Chemistry
  • Tygon®
  • Diameter
  • 4.8 mm (0.1875 in.) (I.D.)
  • Length
  • 25 cm
  • Material Size
  • 1
  • Sterilization
  • Autoclavable
XX6700133 Clamp (hose) 1/2 in. (0.43-0.81 0.0) 23 
Add to Cart
  • Catalogue Number
  • XX6700133
  • Diameter
  • 1.25 cm (0.5 in.) (I.D.)
  • Material Size
  • 4
  • Materials of Construction
  • Series 300 stainless steel
MK5614 Underdrain Screen, 47 mm 25 
Add to Cart
  • Background Information
  • Applications:In-Line Stainless Steel Filter Holders are commonly used for the filtration of gases or liquids at inlet pressures of 20 to 700 bar. Differential pressure depends on filter type used. All filter holders may be autoclaved (available in 25 mm and 47 mm).Filter holder XX4404700 is equipped with a back-pressure support screen. It may be autoclaved with filter in-place, if PTFE-coated support screens, XX4404702 and XX4404704, are used. - XX4204709, XX4304701, XX4404703, 5614, and 00907P are replacement parts for Filter Holder XX4404700.Filter holder XX4504700 may be equipped with an upstream filter support screen, XX4504704, for back-pressure protection of filter.- XX4504704, XX4504705, XX4504710, XX4504713, and XX45047RK are replacement parts for Filter Holder XX4504700.Replacement parts for the 25mm SS Filter Holder are available as a kit under Catalog Number XX45025RK, which includes: (3) stainless steel hex-cap screws, (3) LCR-treated Buna-N O-rings (2-018), (1) stainless steel support screen, (1) Allen™ wrench.
  • Catalogue Number
  • 5614
  • Material Size
  • 1
  • Materials of Construction
  • 316 stainless steel
MK5614 Underdrain Screen, 47 mm 25 
Add to Cart
  • Background Information
  • Applications:In-Line Stainless Steel Filter Holders are commonly used for the filtration of gases or liquids at inlet pressures of 20 to 700 bar. Differential pressure depends on filter type used. All filter holders may be autoclaved (available in 25 mm and 47 mm).Filter holder XX4404700 is equipped with a back-pressure support screen. It may be autoclaved with filter in-place, if PTFE-coated support screens, XX4404702 and XX4404704, are used. - XX4204709, XX4304701, XX4404703, 5614, and 00907P are replacement parts for Filter Holder XX4404700.Filter holder XX4504700 may be equipped with an upstream filter support screen, XX4504704, for back-pressure protection of filter.- XX4504704, XX4504705, XX4504710, XX4504713, and XX45047RK are replacement parts for Filter Holder XX4504700.Replacement parts for the 25mm SS Filter Holder are available as a kit under Catalog Number XX45025RK, which includes: (3) stainless steel hex-cap screws, (3) LCR-treated Buna-N O-rings (2-018), (1) stainless steel support screen, (1) Allen™ wrench.
  • Catalogue Number
  • 5614
  • Material Size
  • 1
  • Materials of Construction
  • 316 stainless steel
XX6504704 Solvent Dispensing Bottle 25 
Add to Cart
  • Applicable Device
  • Patch Test Kit
  • Background Information
  • The MilliporeSigma Patch Test Kit is a complete solution for field-based collection and analysis of hydrocarbon-based hydraulic fluids, bulk chemicals, boiler water, and lubricating oils. It allows the detection of significant changes in cleanliness through dependable, sensitive, colorimetric-based analysis.- Monitors particulate contamination rapidly in hydrocarbon-based hydraulic fluids, bulk chemicals, boiler water and lubricating oils - Filter color rating and particle assessment scales correspond to recognized standard contamination levels - Detects significant changes in cleanliness through dependable and sensitive test results - Comes with filters for 100 tests Features & Benefits:•Contains enough expendable materials for 100 tests •Contained within a lightweight, easy-to-carry case •Filter color rating and particle assessment scales correspond to recognized standard contamination levels Applications:In-Field Contamination Analysis of Hydrocarbon-Based Hydraulic Fluids, Water, Lubricating Oils and Related ProductsKit Catalog Number XX6504730 Patch Test KitComponentsPD1504700 PetriSlides for contamination analysisSMWP02500 MF-Millipore Membrane Filter, 5.0 µm, 25 mm, white, plain, 100SMWP04700 MF-Millipore Membrane Filter, 5.0 µm, 47 mm, white, plain, 100XX6200006P Filter forceps, blunt end, stainless steelXX6200035 Hand Vacuum Pump, stainless steelXX6300120 Patch Test Filter Holder AssemblyXX6504704 Solvent Dispensing BottleXX6504707 Swinnex 25 mm with back-pressure screenXX6504709 PVC Bottle, 120 mLXX6504710 Tubing for vacuum, 1/8 in., fluoroelastomerXX6504713 Naval Fluid Color Guide 1Replacement Parts Clear Sorting & FilteringXX2004701 Funnel Locking RingXX2004703 Gasket, PTFEXX4004714 Locking Ring Gasket, PTFEXX6300123 O-ring, 2-233, Buna-NXX6504708 Stainless Steel Holder Support with base
  • Catalogue Number
  • XX6504704
  • Chemistry
  • Polyethylene (PE)
  • Height
  • 6.6 cm (2.6 in.)
  • Material Size
  • 1
XX6504704 Solvent Dispensing Bottle 25 
Add to Cart
  • Applicable Device
  • Patch Test Kit
  • Background Information
  • The MilliporeSigma Patch Test Kit is a complete solution for field-based collection and analysis of hydrocarbon-based hydraulic fluids, bulk chemicals, boiler water, and lubricating oils. It allows the detection of significant changes in cleanliness through dependable, sensitive, colorimetric-based analysis.- Monitors particulate contamination rapidly in hydrocarbon-based hydraulic fluids, bulk chemicals, boiler water and lubricating oils - Filter color rating and particle assessment scales correspond to recognized standard contamination levels - Detects significant changes in cleanliness through dependable and sensitive test results - Comes with filters for 100 tests Features & Benefits:•Contains enough expendable materials for 100 tests •Contained within a lightweight, easy-to-carry case •Filter color rating and particle assessment scales correspond to recognized standard contamination levels Applications:In-Field Contamination Analysis of Hydrocarbon-Based Hydraulic Fluids, Water, Lubricating Oils and Related ProductsKit Catalog Number XX6504730 Patch Test KitComponentsPD1504700 PetriSlides for contamination analysisSMWP02500 MF-Millipore Membrane Filter, 5.0 µm, 25 mm, white, plain, 100SMWP04700 MF-Millipore Membrane Filter, 5.0 µm, 47 mm, white, plain, 100XX6200006P Filter forceps, blunt end, stainless steelXX6200035 Hand Vacuum Pump, stainless steelXX6300120 Patch Test Filter Holder AssemblyXX6504704 Solvent Dispensing BottleXX6504707 Swinnex 25 mm with back-pressure screenXX6504709 PVC Bottle, 120 mLXX6504710 Tubing for vacuum, 1/8 in., fluoroelastomerXX6504713 Naval Fluid Color Guide 1Replacement Parts Clear Sorting & FilteringXX2004701 Funnel Locking RingXX2004703 Gasket, PTFEXX4004714 Locking Ring Gasket, PTFEXX6300123 O-ring, 2-233, Buna-NXX6504708 Stainless Steel Holder Support with base
  • Catalogue Number
  • XX6504704
  • Chemistry
  • Polyethylene (PE)
  • Height
  • 6.6 cm (2.6 in.)
  • Material Size
  • 1
XX3002510 Filter Holder Support Screen, stainless steel 26 
Add to Cart
  • Applicable Device
  • Swinny 13
  • Background Information
  • Ultraclean and dispense small volumes of solvent by squeeze-bottle action. This hand-pressure operated dispenser features a filter holder fitted with a delivery tube. Use to direct filtered solvent against surfaces. Features & Benefits:•Integrated hand pump eliminates the need for external pump•Holds up to 1 L of solventApplications:Solvent Filtration Prior to Contamination Analysis, Solvent Rinsing of Machined Parts and Collection ContainersXX6602500 Solvent Filtering DispenserReplacement PartsXX6602501 Flask and Neoprene StopperXX3002502 Filter Holder Gasket, PTFEXX3002510 Filter Holder Support Screen, stainless steel
  • Catalogue Number
  • XX3002510
  • Diameter
  • 25 mm
  • Material Size
  • 1

Overview

Analytical Sample Preparation Membrane Filtration Devices


Trust Merck membrane filtration devices for the collection and preparation of samples, mobile phases, and buffers to obtain the highest quality results from downstream analysis.


Whether you need to collect, separate, or remove contaminants from air or fluid samples prior to downstream analysis, our broad selection of syringe filters, membranes, filter holders and related filtration devices ensures that we have the right solution for your application.


Filter Membranes

Millex® Syringe Filters

Filtration Holders & Accessories



Resources