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Supplier: Thermo Scientific
Description: Using preparative guards is a proven and cost effective way to extend the lifetime of your preparative columns. Thermo Scientific™ Preparative Guard Column Holders allow for easy assembly and connection of the guard column to the preparative column.

Catalog Number: (100501-822)
Supplier: Electron Microscopy Sciences
Description: White thermo-formed polystyrene. Keeps microscope slides separated.

Minority or Woman-Owned Business Enterprise


Supplier: WORLD PRECISION INSTRUMENTS LLC
Description: WPI™s microelectrode holder-half-cells couple fluid-filled glass micropipettes to high input impedance amplifiers. A Ag/AgCl pellet (or a silver wire) molded into the holder body provides stable potential. Electrical connection is made via male 2 mm pins or female 2 mm sockets. The pipette may be mounted axially or at right angles to the holder. Pipettes are held with screw-caps or rubber gaskets (without caps). Filling WPI microelectrode holders with electrolytes containing chloride results in stable electrode potential. Suitable electrolytes include KCl, NaCl and CaCl₂. Holders are supplied for standard WPI single capillary tubing of 1.0, 1.2, 1.5 and 2.0 mm outside Ø. (Call WPI regarding custom designs for other glass diameters.) The holder style you select will depend on your experimental application, space, and instrumentation.

New Product

Supplier: WORLD PRECISION INSTRUMENTS LLC
Description: WPI™s microelectrode holder-half-cells couple fluid-filled glass micropipettes to high input impedance amplifiers.

New Product

Supplier: WORLD PRECISION INSTRUMENTS LLC
Description: WPI™s microelectrode holder-half-cells couple fluid-filled glass micropipettes to high input impedance amplifiers.

New Product

Catalog Number: (76531-982)
Supplier: United Scientific Supplies
Description: Designed for bacteriological analysis where it is necessary to sterilize the filter holder with the membrane filter in place. The glass surface is coated with PTFE to avoid filter damage and membrane adhesion during autoclaving.


Supplier: Heathrow Scientific
Description: The versatile glove box holder can accommodate a single box, or adjoined together to hold multiple boxes. Ideal for use in clean rooms, hospitals, and microbiological work areas.

Catalog Number: (470018-788)
Supplier: HUGH COURTRIGHT & CO.
Description: Converts cardboard micropaleontology slides into permanent displays.


Catalog Number: (470201-794)
Supplier: Bel-Art
Description: Rest Slides Vertically for Drying or Quick Retrieval.


Catalog Number: (77664-632)
Supplier: WORLD PRECISION INSTRUMENTS LLC
Description: WPI's microelectrode holder-half-cells couple fluid-filled glass micropipettes to high input impedance amplifiers.

New Product


Catalog Number: (10194-960)
Supplier: Sklar
Description: The reusable Bunt Forceps Holder is manufactured from stainless steel, and 13.3 cm (5.25") in length


Supplier: Sklar
Description: All Sklar products are industry standard.

Supplier: Cytiva
Description: The disc filter holders are durable and of convenient size for filtration of virtually all laboratory samples.

Catalog Number: (100493-394)
Supplier: Electron Microscopy Sciences
Description: Made from solid high density polypropylene blocks with 13 slanted channels (on a 10° angle).

Minority or Woman-Owned Business Enterprise


Catalog Number: (77663-978)
Supplier: WORLD PRECISION INSTRUMENTS LLC
Description: WPI’s filter holder for particulate absorption measurements is specially designed for field use. It is rugged and portable. It performs as well as a laboratory based spectrophotometer. It can be directly connected to WPI’s line of fiber optic spectrometers and light sources.

New Product


Catalog Number: (CA28144-109)
Supplier: Cytiva
Description: Made of Delrin® plastic with Type 316 stainless steel membrane support screen.

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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
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  • issued document with your organization's Federal Tax ID Number
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