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Merck

PPTH02500

Polypropylene membrane filter

0.45 µm, 25 mm, hydrophobic, polypropylene

Synonym(s):

Hydrophobic, Polypropylene cut disc, Air monitoring filter

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About This Item

NACRES:
NB.24
UNSPSC Code:
41104921

Product Name

Polypropylene membrane filter, 0.45 µm, 25 mm, hydrophobic, polypropylene

material

plain filter
polypropylene membrane
white filter

sterility

non-sterile

feature

hydrophobic

manufacturer/tradename

Millipore

parameter

>0.90 mL/min-cm2 air flow rate (typical)
1 h at 90 °C

filter diam.

25 mm

thickness

200 μm ± 50 μm

gravimetric extractables

0.5%

pore size

0.45 μm pore size
>40 % porosity

bubble point

>3 psi, air with methanol at 23 °C

shipped in

ambient

Quality Level

400

Related Categories

Application

  • Clarification organic solutions and solvent
  • General filtration
  • HPLC/LC-MS mobile phase filtration
  • Clarifying acids and bases
  • FAS sample filtration

Features and Benefits

Compatible with aggressive solvents
Filters have high dirt-holding capacity

General description

Millipore polypropylene filters are constructed of 100% virgin polypropylene media. Polypropylene as a membrane material demonstrates low extractables, high thermal stability, relatively fast liquid flow rates, and broad chemical compatibility, for the filtration of mobile phase, general filtration of aqueous and organic/aggressive solvents, clarification and prefiltration. Hydrophobic filters provide high particle retention, high dirt holding capacity and low pressure drop. They are designed for filtration of organic solvents, but they can also be used - once properly wetted with alcohol - for the filtration of aqueous solutions.

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Articles

Membrane Learning Center

Membrane filters for sample preparation and analysis are discussed, emphasizing chemical compatibility and selectivity.

Analysis of PFAS Extractables in Filtration Products Using Modified EPA 537.1

View data on fluorinated extractables, recovery, and recommended filtration products for PFAS testing using Modified EPA 537.1.

Analysis of PFAS Extractables in Filtration Products Using Modified EPA 1633

Data and recommended filtration products for PFAS testing using Modified EPA 1633.

PFAS Testing Methods and Guidance for Sample Filtration

Validation of Millex® PES syringe filters in PFAS testing of water samples using EPA method 537.1.

Global Trade Item Number

SKUGTIN
PPTH0250004065268932643

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