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อุปกรณ์กรอง Syringe Filter CHROMAFIL PTFE

PTFE

CHROMAFIL® PTFE  
Syringe filters with polytetrafluoroethylene membrane  
 Features
  • Hydrophobic membrane
  • For nonpolar liquids and gases

 

  • Very resistant towards all kinds of solvents as well as acids and bases
    Flushing with alcohol, followed by water, makes the originally hydrophobic membrane more hydrophilic.
 Ordering information · CHROMAFIL® Xtra

Polytetrafluoroethylene syringe filters labeled for method validation and certification

Type Pore size Membrane   Standard pack BIG-BOX
  [µm] dia. [mm]   Filters/pack REF Filters/pack REF
PTFE-20/25 0.20 25 labeled 100 729207 400 729207.400
PTFE-45/25 0.45 25 labeled 100 729205 400 729205.400
PTFE-100/25 1.0 25 labeled 100 729247 400 729247.400
 
Ordering information · CHROMAFIL®
Color-coded polytetrafluoroethylene syringe filters

Type Pore size Membrane Color code Standard pack BIG-BOX
  [µm] dia. [mm] top bottom Filters/pack REF Filters/pack REF
O-20/3 0.20 3 colorless colorless 100 729014    
O-45/3 0.45 3 colorless colorless 100 729015    
O-20/15 MS 0.20 15 yellow colorless 100 729008 800 729008.800
O-45/15 MS 0.45 15 colorless colorless 100 729009 800 729009.800
O-20/25 0.20 25 yellow colorless 100 729007 400 729007.400
MS = minispike on filter exit
 CHROMAFIL® filter membranes  
Chemical compatibility of filter materials  
The following table lists the chemical compatibility of our CHROMAFIL® materials. The chemical compatibility depends on several parameters such as time, pressure, temperature and concentration. In most cases, CHROMAFIL® filters will have only short contact with a solvent.   In these cases they may be used despite of limited compatibility.
For example, a PTFE filter with PP housing does not liberate any UV-detectable substances during filtration of 5 mL THF, although PP shows only limited resistance towards THF.

 

Solvent Material
  MV CA RC PA PTFE H-PTFE PVDF PES PET GF PP
Acetaldehyde o   o
Acetic acid, 100 %
Acetone
Acetonitrile
Ammonia, 25 % o o
Benzene o   o
n-Butanol o
Cyclohexane o
Dichloromethane
Diethyl ether o o o
Dimethylformamide o
1,4-Dioxane o o
Ethanol
Ethyl acetate o
Ethylene glycol o o
Formic acid, 100 % o o
Hydrochloric acid, 30 %
Methanol
Nitric acid, 65 % o o o   o
Oxalic acid, 10 % aqueous  

Petroleum ether

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Quotation and Ordering
131 Thailand Science Park. Innovation Cluster 1 Building, Klong 1, Klong Luang, Pathumthani 12120 Thailand.
Tel. +6681-847-6768, +662-191-3928 Fax +662-191-3929 Mr.Thoniwadh +6685-811-4779, Ms.Nareerat +6685-814-9653
Email: info@highents.com

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โทร. 081-847-6768, 02-191-3928 แฟกซ์ 02-191-3929 คุณโทณิวัฒน์ 085-811-4779, คุณนารีรัตน์ 085-814-9653
Email : info@highents.com

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