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| Filter papers for waste water treatment plants |
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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"
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Determination of dry matter - filtration for all N-parameters
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| 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 |
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Determination of dry matter and/or ignition residue
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| Application |
Grade |
Ø |
REF |
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Filtration in suction filters
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MN 640 w |
90 mm
110 mm
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202009
202011 |
| Filtration without residues on the suction filter |
MN 640 w with elevated border |
90 mm
110 mm
125 mm
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202901
202903
202902 |
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Turbidity elimination before photometric analysis (without digestion)
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| Application |
Grade |
PS** |
REF |
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Sample preparation set: 2 syringes 20 ml, 25 CHROMAFIL® membrane filters
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PET
GF/PET* |
0,45 µm
0,45 µm
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91650
91601 |
| CHROMAFIL® Membrane filters without accessories |
PET
GF/PET*
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0,45 µm
0,45 µm |
91652
91602 |
| * with glass fiber pre-filter, retention of coarse particles without clogging |
| ** PS = pore size |
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Determination of suspended solids (DIN EN 872)
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| Application |
Grade |
RC* |
REF |
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Filtration with glass fibre filters
MN 85/70 BF
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MN 85/70 BF |
0,6 µm |
4040.. |
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Higher filtration capacity with
with glass fibre filters MN 85/90 BF
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MN 85/90 BF |
0,5 µm |
4060.. |
| * RC = retention capacity |
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Determination of filterable matter (DIN 38 409)
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| Application |
Grade |
Ø |
REF |
| Very low content |
PORAFIL CM 0,45 µm |
50 mm |
65100045050 |
| Low content 20 < mg/L |
MN 615 1/4 |
320 mm |
531032 |
| 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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