SKU: 23817006224

PALL 4914 Acrodisc Syringe Filter with wwPTFE Membrane - 0.45 µm, 25 mm (200/pkg)

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Description

PALL 4914 Acrodisc Syringe Filter with wwPTFE Membrane - 0.45 µm, 25 mm (200/pkg)Syringe filters are used in analytical chemistry applications to remove particulate contamination prior to analysis. Filtering a sample prior to sample injection into analytical instrumentation will help protect sensitive parts of the instrument from particulate build up and reduce system downtime. Sample filtration using syringe filters containing 0. 45 m (HPLC) or 0. 2 m (UHPLC) pore size membranes will also extend the life of chromatography columns

Syringe filters are used in analytical chemistry applications to remove particulate contamination prior to analysis. Filtering a sample prior to sample injection into analytical instrumentation will help protect sensitive parts of the instrument from particulate build-up and reduce system downtime. Sample filtration using syringe filters containing 0.45 μm (HPLC) or 0.2 μm (UHPLC) pore size membranes will also extend the life of chromatography columns by preventing particulate from blocking the flow path between the column packing. Pall’s Acrodisc Syringe Filters with wwPTFE membranes have been designed to protect analytical instrumentation and improve the reliability of results. wwPTFE membrane devices are chemically compatible with a wide variety of common solvents and are suitable for use in both aqueous and organic applications. These syringe filters are constructed with solvent compatible polypropylene material. The polypropylene plastic provides the syringe filter with exceptional strength, it is the highest grade of plastic with minimal additives and passes United States Pharmacopeia (USP) Biological Reactivity Test, In Vivo <88> plastics testing. Both the wwPTFE membrane and polypropylene housing are extremely low in levels of potential extractables that can lead to chromatographic interference. The devices are low in protein and API binding which make them ideal for drug studies, such as dissolution testing. Pall provides HPLC certification with these products, ensuring that analytical results will not be compromised by extractable filter materials. Pall membranes are tested for compatibility with common HPLC solvents including water, methanol, and acetonitrile, using established HPLC procedures. In addition, to verify low levels of UV-detectable extractables, samples of the syringe filters are evaluated prior to release. Standard 25 mm Acrodisc syringe filters are designed for the filtration of sample volumes up to 100 mL. They feature an effective filtration area of 2.8 cm2.
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SKU: 23817006224

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Korina Hornbuckle
New York, US
★★★★★ 5
Love it
Color: White, Color: White
This is so beautiful! It's very good quality. I got this for my daughter to keep her jewelry in and it's perfect. It has three floors, the top opens for a ring compartment, and the sides open for necklaces. All the compartments have pink velvet on the inside. I really like the size of this, not too big but not too small. It fits perfectly on an over the toilet shelf or the bathroom counter. A great but with a decent price.
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Reviewed in the United States on August 26, 2025
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judith A. Danner
Lake Worth, US
★★★★★ 4
No
Color: White
Nice
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Reviewed in the United States on February 17, 2026
K
K. Alicia
Houston, US
★★★★★ 5
Beautiful Jewelry Storage
Color: White
A lovely jewelry box! Definitely worth the price. I love the little mirror inside, because it is useful when putting on my earrings. I do wish that one of the drawers was divided into smaller sections for bracelet storage, but overall the storage is amazing. Love the hooks for necklaces and the ring storage. It’s very pretty with the pink lining. Gorgeous for any space, and would make a lovely gift
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Reviewed in the United States on August 23, 2025
C
Verified Purchase
Carol Ward
Louisville, US
★★★★★ 5
The size
Color: White
The right size for a girls beginners jewelry.It is set up where they can assort the jewelry themselves.
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Reviewed in the United States on February 27, 2026
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Virginia Wharton
Houston, US
★★★★★ 5
It is really well made and perfect for travel!
It is just like the picture and it is lovely. Plenty of room and under the tray it is large enough for changes with pendents. It is perfect for a girl and will be perfect for the amount of jewerly you take when traveling. Thank You!
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Reviewed in the United States on December 3, 2025

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