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Filter papers for waste water treatment plants

 

Chemical analysis is of great importance in successfully running a waste water treatment plant. In multiple analysis procedures, filter papers are of substantial significance, for example in sample preparation or when determining dry matter. Filter papers from MACHEREY-NAGEL provide exceptional quality "made in Germany" and are ideally suited to be used for analytical procedures on waste water plants. Our unique varitey of different filter papers and custom made products will surely provide a perfect solution for you.


- Reproducible results

- Norm conforming filtration

- Quality "Made in Germany"

Determination of dry matter - filtration for all N-parameters

Application Grade  Ø REF
Filtration of 100 mL sample MN 615 1/4 185 mm 531018
Filtration of 1000 mL sample MN 615 1/4 320 mm 531032

Determination of dry matter and/or ignition residue

Application Grade  Ø REF

Filtration in suction filters

MN 640 w

90 mm
110 mm

202009
202011
Filtration without residues on the suction filter MN 640 w with elevated border

90 mm
110 mm
125 mm

202901
202903
202902

Turbidity elimination before photometric analysis (without digestion)

Application Grade PS** REF

Sample preparation set: 2 syringes 20 ml, 25 CHROMAFIL® membrane filters

PET
GF/PET*

0,45 µm
0,45 µm

91650
91601
CHROMAFIL® Membrane filters without accessories

PET
GF/PET*

0,45 µm
0,45 µm
91652
91602
* with glass fiber pre-filter, retention of coarse particles without clogging
** PS = pore size

Determination of suspended solids (DIN EN 872)

Application Grade  RC* REF

Filtration with glass fibre filters
MN 85/70 BF

MN 85/70 BF  0,6 µm 4040..

Higher filtration capacity with 
with glass fibre filters MN 85/90 BF 

MN 85/90 BF 0,5 µm 4060..
* RC = retention capacity

Determination of filterable matter (DIN 38 409)

Application Grade  Ø REF
Very low content PORAFIL CM 0,45 µm 50 mm 65100045050
Low content 20 < mg/L MN 85/70 BF 55 mm 404005
Medium content > 20 mg/L MN 640 w 55 mm 202005
High content > 1000 mg/L MN 640 w    70 mm 202007

 

 

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