700 mm Hg (27.5” Hg, 0.9 bar) differential vacuum at 25 °C (77 °F)
Wybierz wielkość
| Rozmiar/SKU | Dostępność | Cena netto |
|---|---|---|
12 filters | Dostępne do wysyłki DZISIAJzKuehne + Nagel Sp. z o.o. | 536,00 zł |
Informacje o tej pozycji
Quality Segment
material
polyethersulfone membrane, polystyrene
product line
Steritop®
feature
holdup volume 2.4 mL, hydrophilic
packaging
pack of 12 ea
manufacturer/tradename
Steritop®
parameter
250 mL process volume, 250 mL sample volume, 45 °C max. temp.
technique(s)
sterile filtration: suitable
H
95 mm
diam.
12.5 cm
filter capacity
250 mL
filter diam.
33 mm
filtration area
40 cm2
matrix
Express PLUS™
pore size
0.22 μm nominal pore size, 0.22 μm pore size
fitting
inlet funnel, 33 mm outlet thread(s)
shipped in
ambient
storage temp.
15-25°C
General description
Stericup ® and Steritop ® sterile filtration devices use reliable, high-performance membranes for optimum sterile filtration of laboratory reagents, buffers, and media. These devices combine superior flow rates and throughput with low non-specific binding and a stable, no-tip design.
This Steritop ® 250 mL bottle top 0.22 μm pore size polyethersulfone (PES) membrane filter unit can be used on bottles with 33 mm openings, , designed for vacuum applications.
Application
- Tissue culture media +/- additives
- Buffers
- Biological solutions
Legal Information
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Ta pozycja | |||
|---|---|---|---|
| description pore size 0.22 μm, polyethersulfone membrane, filter capacity 250 mL, 33 mm outlet thread(s), pack of 12 ea | description pore size 0.22 μm, polyethersulfone membrane, filter capacity 150 mL, 33 mm outlet thread(s), pack of 12 ea | description pore size 0.1 μm, polyethersulfone membrane, filter capacity 1000 mL, pack of 12 ea | description pore size 0.22 μm, polyethersulfone membrane, filter capacity 500 mL, 33 mm outlet thread(s), pack of 12 ea |
| manufacturer/tradename Steritop® | manufacturer/tradename - | manufacturer/tradename - | manufacturer/tradename - |
| pore size 0.22 μm nominal pore size, 0.22 μm pore size | pore size 0.22 μm pore size | pore size 0.1 μm pore size | pore size 0.22 μm pore size |
| filter capacity 250 mL | filter capacity 150 mL | filter capacity 1000 mL | filter capacity 500 mL |
| material polyethersulfone membrane, polystyrene | material polystyrene funnel(s), polyethersulfone membrane, polystyrene housing | material polyethersulfone membrane, polystyrene funnel(s), polystyrene housing, polystyrene bottle | material polystyrene housing, polyethersulfone membrane, polystyrene funnel(s) |
| fitting inlet funnel, 33 mm outlet thread(s) | fitting inlet funnel, 33 mm outlet thread(s) | fitting inlet funnel, 45 mm outlet thread(s) | fitting 33 mm outlet thread(s), inlet funnel |
| feature holdup volume 2.4 mL, hydrophilic | feature hydrophilic | feature hydrophilic | feature hydrophilic |
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What is the maximum vacuum pressure for filtration?
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What is the chemical compatibility of the various Stericup® and Steritop® filters?
What is the chemical compatibility of the various Stericup® and Steritop® filters?
1 answer-
Please refer to our guide, "Chemical compatibility of filter components": https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/302/855/membrane-chemical-compatibility-ds2532en-ms.pdf
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Can Stericup® and Steritop® filters be reused?
1 answer-
All Stericup® and Steritop® filters were developed for single use, disposable processing.
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Can we filter oil-type liquids with Stericup® filters?
Can we filter oil-type liquids with Stericup® filters?
1 answer-
Likely not, due to pore size/possible fouling/chemical compatibility. Refer to our guide, "Chemical compatibility of filter components": https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/302/855/membrane-chemical-compatibility-ds2532en-ms.pdf
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What is the difference between classic Stericup® filters and Stericup® “Quick Release” filters?
1 answer-
Stericup® Quick Release, or “QR”, filters feature a connection between funnel filter and receiver bottle that requires only a quarter-turn release to facilitate funnel removal. These filters come fully engaged – there is no need to tighten before use. The receiver bottle cap has flanges on the top surface to improve grip, as well as a positive lock stop to ensure a leak-proof seal with the receiver bottle. Other improvements include a large, frosted writing surface on the receiver bottle and a lighter cap color to facilitate labelling, more prominent volume markings on the filtration funnel and receiver bottle, and a product label with a peel-off lot record strip on the bag for easy viewing in storage.
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What is the maximum processing volume for Stericup® and Steritop® filters? Can I add more volume after initial filtration?
1 answer-
All Stericup® and Steritop® filters were developed for single-use application. The maximum volume is dependent on the receiver bottle capacity. Stericup® filters come with a receiver bottle with a specified maximum volume. For Steritop® filters, the maximum recommended volume is 2 L with an appropriate-sized receiver bottle. Larger processing volumes can result in membrane fouling, increase chance of spillage and contamination, and lead to possible airlock*.
*Note that devices with PES membranes can airlock if filtered to dryness. Some liquid must be left on top of the filter, then the system stopped, receiver changed or emptied, and more sample volume added before restart. This increases the chance of spillage.Helpful?
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The User Guide says “Use only glass or plastic bottles designed for vacuum applications”. Can you specify which bottles are compatible?
1 answer-
Steritop® Quick Release bottle top units require a vacuum-rated receiver bottle with either a GL33 or GL45 mm closure thread as specified. Steritop® E bottle top units require a vacuum-rated receiver bottle with a GL45 mm closure thread. Bottles no larger than 2 L should be used.
Glass bottles, GL33:
• Wheaton media bottles (glass), 500 mL (Product Z364886)
• Wheaton media bottles (glass), 1 L (Product Z364894)
Glass bottles, GL45
• Corning® glass media storage bottle, 125 mL (Product CLS1399125)
• Corning® glass media storage bottle, 250 mL (Product CLS1399250)
• Corning® glass media storage bottle, 500 mL (Product CLS1399500)
• Corning® glass media storage bottle, 1 L (Product CLS13991L)
• Pyrex® round media storage bottle, 500 mL (Product CLS1395500)
• Pyrex® round media storage bottle, 1 L (Product CLS13951L)
• KIMBLE® KIMAX® Media bottle, 250 mL (Product DWK14395250)
• KIMBLE® KIMAX® Media bottle, 500 mL (Product DWK14395500)
• KIMBLE® KIMAX® Media bottle, 1 L (Product DWK143951000)
Plastic (pre-sterile) bottles, GL45:
• Stericup® Quick Release Receiver flask, 250 mL (Product S200B02RE)
• Stericup® Quick Release Receiver flask, 500 mL (Product S200B05RE)
• Stericup® Quick Release Receiver flask, 1000 mL (Product S200B10RE)Helpful?
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Which type of pump should be used with Stericup® and Steritop® vacuum filters?
Which type of pump should be used with Stericup® and Steritop® vacuum filters?
1 answer-
We recommend our Chemical Duty Pump: https://www.sigmaaldrich.com/product/mm/wp6111560
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What is the expiration date of Stericup® and Steritop® filters?
1 answer-
Typically 3 years from sterilization.
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Are Stericup® and Steritop® filters GMP-certified?
1 answer-
No, Stericup® and Steritop® devices are not GMP-approved.
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