Whatman^® Mini-UniPrep^® Syringeless Filters, Glass Microfiber Membrane, Pore Size 0.45 μm, Whatman International Ltd. (CAT#: STEM-L-5223-LC)

The Whatman^® Mini-UniPrep^® Syringeless Filters With Slit Septa manufactured by Whatman International Ltd. are ideal for removal of particulates from samples before HPLC/ UHPLC analysis. Mini-UniPrep allows to reduce the time of sample preparation to 1/3 of that required by other methods. Mini-UniPrep^® Syringeless Filters consist of a 0.4 mL capacity chamber and a plunger. There is a filtration membrane on one end of the plunger and a preattached cap/septum at the other end. The device can be used manually or with a compressor. Mini-UniPrep is compatible with any device accommodating 2 mL vials for injection into your instrument.

Material: PTFE septa (PTFE coated silicone rubber), glass microfiber membrane, polypropylene housing
Sterility: Non-sterile
Graduations: No
Nominal force to compress: Approximately 18 lb / 8.2 kg
Packaging: Pack of 100 ea
Filter capacity: 400 μL
Pore size: 0.45 μm

Preassembled filtration device reduces time for sample preparation by 2/3
Amber color prevents light-sensitive sample such as catecholamines or vitamins from photodegradating
Slit septum cap provides compatibility with current robotics on HPLC instruments for high throughput application
Translucent amber chamber and plunger for easy viewing

Whatman^® Mini-UniPrep^® Syringeless Filters, PTFE, 0.2 μm, 100/pk, Whatman International Ltd. (CAT#: STEM-L-5224-LC)