SKU: 51973811638

Whatman US203NPUORG Mini-UniPrep Syringeless Filter, 0.45 um, PTFE filtration med (100 pcs)

Sale price$147.10 Regular price$163.45
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Description

Whatman US203NPUORG Mini-UniPrep Syringeless Filter, 0.45 um, PTFE filtration med (100 pcs)Mini UniPrep Syringeless Filters provide a faster and easier way to remove Particulates from samples being prepared for High Performance Liquid Chromatography (HPLC) Ultra High Performance Liquid Chromatography (UHPLC) analysis. In fact, Mini UniPrep lets you prepare samples in one third the time required by other methods. Add up the time savings, plus the money saved from cutting multiple consumables out of the sample preparation process and you'll

Mini-UniPrep Syringeless Filters provide a faster and easier way to remove Particulates from samples being prepared for High Performance Liquid Chromatography (HPLC)/Ultra High Performance Liquid Chromatography (UHPLC) analysis. In fact, Mini-UniPrep lets you prepare samples in one-third the time required by other methods. Add up the time savings, plus the money saved from cutting multiple consumables out of the sample preparation process and you'll see huge benefits for your laboratory.Mini-UniPrep is a preassembled filtration device consisting of a .4 ml capacity chamber and a plunger. The plunger contains a filtration membrane at one end and a preattached cap/septum at the other. The plunger is pressed through the sample in the outer chamber and positive pressure forces the filtrate into the reservoir of the plunger. Air escapes through the vent hole until the locking ring is engaged, providing an air-tight seal. Within seconds the Mini-Uniprep can be placed into any approved autosampler for injection into your instrument. The device can be used either manually or with a compressor unit. The multi-compressor can process up to 6 samples at one time, further improving sample processing time and reducing the risk of hand stress. The Mini-UniPrep device is designed to fit into any autosampler accommodating 12 x 32 mm vials. alternatively, the septum can be pierced with a needle and the sample drawn off for manual injection into an analyzer.

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SKU: 51973811638

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4.3 ★★★★★
Based on 1659 reviews
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Andrei
Louisville, US
★★★★★ 5
Good product.
A very nice and comfortable watch. Display is easy to read (I have poor eyesight). The menu is simple and intuitive. Fast delivery to Israel.
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Reviewed in the United States on October 1, 2025
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francisco
Port Orchard, US
★★★★★ 5
Little Small On The Wrist
Really cool timepiece, been loving timex a lot recently, this is me coming over Casio/G-shocks. Although it is a bit smaller on the wrist it still looks very nice and I really love the gray and like green color contrast. Really easy to read the time as well.
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Reviewed in the United States on May 27, 2024
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William D
New York, US
★★★★★ 1
Sturdy and digital
This watch has “ fake screws” holding the band on . The band is actually held on by the usual pins holding it on most watches but weaker . The pin came off while I was putting it on for the first time! This is the second time I bought off Amazon in 2 weeks where the watch appeared to be sturdy and the pins fell off . Going back to military watches that have material straps that go completely around wrist and do not have pressure on pins
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Reviewed in the United States on May 8, 2026
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Enri
Carnegie, US
★★★★★ 5
Ten years of ownership…Thank you, Timex!
Color: Black, Size: One Size
Solid watch for everyday wear. I have worn this watch for over 10 years. I let a watch shop replace the battery about every 18 months. Other than the original band (which lasted 5 years) I have had zero problems. Still looks great, rugged and manly😇 Overall I recommend this watch for its value, reliability, simple clear design, legible hands in all light conditions. Great watch!!!
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Reviewed in the United States on February 13, 2026
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Guadalupe Reyes
Port Orchard, US
★★★★★ 5
Solid Watch for Everyday Casual Wear
Color: Black, Size: One Size
I have purchased this item other times and I’m quite satisfied with wearing this watch everyday with casual wear. The size is just right not too small or large.
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Reviewed in the United States on May 23, 2026

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