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Membrane filtration accessories

Whatman offers a line of analytical funnels and vacuum filtration equipment for use in microbiological testing processes.

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Membrane filtration accessories
Analytical funnels
Ready-to-use filtration units for microbiology
Whatman analytical funnels are ready-to-use 100 mL filtration units with removable membrane and culturing devices. 

 

After filtration the membrane of the analytical funnel can be used for a wide range of qualitative and quantitative biological analysis.
 

Features and Benefits
 

  • Saves up to 50% in time with no flaming and sterilisation required
  • Minimises the risk of cross-contamination
  • Easy release of membrane

 

Analytical Funnel Workflow

 

Membrane filtration accessories

1. Perform sample filtration.
 

 

Membrane filtration accessories

2. Remove the upper part from the base.
 

 

Membrane filtration accessories

3. Place the base on the membrane lifting device.
 

 

Membrane filtration accessories

4. Separate the membrane from the pad and transfer the membrane into a Petri dish with sterile pad.
 

 

Ordering Information - Analytical Funnels
47 mm diameter
Description Pore Size (µm) Quanity/Pack Catalogue Number
White / black grid 0.2 50 10 497 507
White / black grid, bagged 0.2 50 10 497 510
White / black grid 0.45 50 10 497 504
White / black grid, bagged 0.45 50 10 497 506
Black / white grid 0.45 50 10 497 508
Black / white grid, bagged 0.45 50 10 497 509
 

 

 

 

Membrane filtration accessories
> MV 050/0
Vacuum filtration equipment
MV 050 Series
All MV series vacuum filtration devices are made of stainless steel which is especially suitable for microbiological applications.
 
Membrane filtration accessories
> MV 050A/0

The system can be used up to 200º C, is autoclavable and can be sterilized by dry heat up to 180º C.

Applications
 

  • Microbiology (e.g. Escherichia coli detection), biochemistry, hydrobiology
  • Drinks (e.g. cold sludge in beer), foodstuffs (e.g. ice cream), pharmaceuticals, cosmetics, water, wastewater
  • Residue analysis, precipitate analysis, contamination tests

Multiple vacuum filtration apparatus
 

Membrane filtration accessories
> AS 300/3

AS 300 and 600 Series

The stainless steel manifold for 3 or 6 filtration units is fitted with stainless steel units. The apparatus can be autoclaved and sterilized by dry heat at up to 180ºC. Suitable only for vacuum operation. If flushing tubes are used do not exceed 1.3 bar (300 mbar over-pressure).



 
Membrane filtration accessories
> AS 610/3

Applications
 

  • Microbiological quality control
  • Residue analyses
  • Serial filtration carried out rapidly and easily with a common drainage outlet

 

Accessories for vacuum filtration apparatus

 

Membrane filtration accessories
> Mini-Diaphragm vacuum pump and compressor VPM 1

Vacuum and pressure pumps

The Diaphragm and Mini-Diaphragm vacuum pumps are required especially in the fields of microbiological quality control, analyses, medicine and production technology. The pumps are used for pumping gases, taking samples (even liquids in a vacuum) and evacuating vessels.
 

 

Membrane filtration accessories
> Diaphragm vacuum pump VPM 2

Features and Benefits
 

  • AC models
  • Contamination free pumping of air, gases and vapours
  • High performance and minimum size
  • Extremely quiet and smooth running
  • High tolerance of vapour and condensate
  • Motor runs cool, even when running continuously
  • Equipped with thermo switch and standard fuse
  • Simple to use
  • Maintenance free

 

Witt's bottle WT 100
 

 

Membrane filtration accessories
> Witt's bottle WT 100

For filtrate collection in an inserted container. The bottle is made of borosilicate glass. It has a replaceable tubulature lid and side-mounted tubing nozzle for vacuum tubing 8 mm (inside diameter).



 

 

Membrane filtration accessories
> Forceps PZ 001

Forceps PZ 001

The stainless steel forceps with smooth angled jaws (104 mm long) are ideal for handling membrane filters. They are autoclavable and can be flame sterilized with ethanol.
 

 

Vacuum filtration - stainless steel apparatus
MV 050 Sseries
Apparatus selection:
Filter size: 47/50 mm
Filter volume: 100 or 500 mL
Filter area: 12.5 cm2
Prefilter: 40 mm dia.
Vacuum connection: Rubber stopper
Filter support: Sieve (frit as accessory)
Materials selection:
Upper and lower parts: Stainless steel 1.4301
Cover: Stainless steel 1.4301
Frit: Stainless steel 1.4571
Sieve: Stainless steel 1 4301
Seals: PTFE and silicone
Clamps: Aluminium
AS 300 and 600 Series - Multiple vacuum filtration apparatus
Apparatus selection:
Filter volume: 100 or 500 mL
Manifold: 3 or 6 stopcocks and lower parts for individual chioce of filter units
Filter support: Sieve (frit as accessory)
Vacuum connection: Tubing nozzle 9 mm (outside diameter)
Multiple filtration apparatus complete and ready for use.
Filters and prefilters sold separately.

 

Vacuum and pressure pumps
Performance data: Delivery (l/min) Vacuum (mbar absolute) Pressure (bar) Weight (kg)
Mini-Diaphragm VPM 1 11.5 240 2 2.5
Diaphragm VPM 2 22.0 100 1 7.1
VP003 3.6 m3/hr <100 4 11

 

Witt's bottle WT 100
Size: 100 mm diameter
Height: 160 mm
Capacity: 1000 mL
Vacuum connection: Tubing nozzle 8 mm (outside diameter)

 

Ordering Information - Vacuum filtration - stainless steel apparatus
  Funnel volume (mL) Rapid closure clamp Height x diameter* mm Quantity/ Pack Catalogue Number
MV 050 Series
MV 050A/2 100 yes 230 x 60 1 10 440 220
MV 050/0 500 - 320 x 110 1 10 440 000
MV 050A/0 500 yes 320 x 110 1 10 440 020
ML 050/0/03 - - - 1 10 464 103
AS 300 and 600 Series - Multiple vacuum filtration apparatus (Unit from MV Series)
Three - place filtration
AS 300/5 100 - 230 x 60 1 10 445 850
AS 300/3 500 - 320 x 110 1 10 445 830
AS 310/3 500 yes 320 x 110 1 10 445 835
Six - place filtration
AS 600/5 100 - 230 x 60 1 10 444 850
AS 600/3 500 - 320 x 110 1 10 444 830
AS 610/3 500 yes 320 x 110 1 10 444 835
* without clamp

 

Ordering Information - Vacuum and pressure pumps
  Catalogue Number
Mini-Diaphragm VPM 1 10 470 800
Diamhragm VPM 2 10 470 810
VP003 10 470 300
VP007 10 470 310

 

Ordering Information - Accessories
  Catalogue Number
ML 050/0/03 - steel frit with ring 10 464 103
Witt's bottle WT 100 10 477 601
Suction flask SF100 -1000 mL 10 477 600
Rubber tubing - SV 006: 1m length; 8mm inside diameter; 18mm outside diameter 10 471 700
Forceps PZ 001 - stainless steel 10 477 602

 

 

For more information :: Bioxys and Gentaur BVBA :: Av. de l'Armée 68 B4 :: BE-1040 BELGIUM

Email: info@gentaur.com
 

International 

+32 (0) 16 58 90 45

+32 (0) 16 50 90 45

France

01 43 25 01 50

01 43 25 01 60

Italy

02 36 00 65 93

02 36 00 65 94

Germany

0241 6085 13140

0241 6085 33033

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Last modified: feb-07