SKU: 23817006224

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

Sale price$257.29 Regular price$285.88
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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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xixi
Lexington, US
★★★★★ 5
Good
It's a great fit for my dog. It's large and fluffy. My dog pee on it, and it can be easily washed by washing machine. Really convenient!
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Reviewed in the United States on March 31, 2025
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Marisa Alfano
Lowell, US
★★★★★ 3
not for active chewing dogs or puppies.
This is a lovely mat- which my dog chewed to bits the second time I put it in their crate. Using blankets now- they have better longevity.
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Reviewed in the United States on January 28, 2026
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Reba
Lake Worth, US
★★★★★ 4
Update: changed stars
Update: after liberal application of catnip, the cats will use it! Looks nice, thickness seems good. They all acted interested until they stepped on it. Not sure if it’s the sound or the crunchy texture, they have avoided it for 3 days now.
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Reviewed in the United States on January 4, 2025
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Marina Menyaylenko
Waukegan, US
★★★★★ 5
cats like the mat
Cats love kneading this, laying on it. I bought it for them to jump down on, and that it not what it's made for. There is no foam, nothing absorbing shock. It's just a thin pad with fluff. But its soft and nice to lay on.
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Reviewed in the United States on November 28, 2024
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J1208
Natrona Heights, US
★★★★★ 5
Cleans up nicely
I’m using this for our new puppy in his crate at night and of course he’s had a few accidents but cleaning this is easy. And it comes out fluffy every time. I think I’ve watched it four times so far and it’s still in great shape.
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Reviewed in the United States on November 14, 2024

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