0 007 ash maximum fine 2 5 μm nominal particle retention rating eliminates large particles that might otherwise interfere with sensitive.
Whatman filter paper 42 specifications.
2 5 μm slow filter paper a world standard for critical gravimetric analysis with the finest particle retention of all whatman cellulose filter papers.
0 30 liters item weight.
2 5 μm slow filter paper a world standard for critical gravimetric analysis with the finest particle retention of all whatman cellulose filter papers.
Grade 42 circles are suitable for processes that require ashing.
1442 110 number of items.
Whatman quantitative filter paper.
This finish also keeps the paper free from loose surface fibres.
These are very pure filters suitable for a wide range of critical analytical.
The thinnest of all whatman filter papers.
Grade 42 is designed for gravimetric analysis and sample preparation for instrumental analysis.
0 007 ash maximum for grades 40 to 44.
Pore size metric 2 5μm.
Hardened and highly glazed surface.
Typical analytical precipitates include barium sulfate metastannic acid and.
How to choose the best whatman filter paper for your application.
Whatman grade 42 filter paper is used for critical gravimetric analysis with the finest particle retention of all whatman cellulose filter papers 2 5 mm at 98 efficiency.
Whatman quantitative filter papers are designed for gravimetric analysis and the preparation of samples for instrumental analysis.
If you re unsure whether you re using the right paper for your application utilize our filter paper properties chart or check our whatman filter selector to find your filter fast.
Whatman filter paper grade no 42 specifications for this item.
There are many grades of paper each with its own unique properties and applications.
The tough surface makes these filters suitable for a wide range of critical filtration procedures.
Ashless grades are very pure filters suitable for a wide range of critical analytical filtration procedures.
1 part number.
Grade 42 ashless filter paper for instrumental analysis 47 mm circle 100 pcs item description.
Typical analytical precipitates include barium sulfate metastannic acid and finely precipitated calcium carbonate.
Typical analytical precipitates include barium sulfate metastannic acid and finely precipitated calcium carbonate.
The fastest ashless filter paper recommended for analytical procedures involving coarse particles or gelatinous precipitates e g iron or aluminum hydroxides.
2 7 μm retention of finest crystalline precipitates.