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.

Whatman filter paper 42 specifications.

2 7 μm retention of finest crystalline precipitates. 0 30 liters item weight. 1442 110 number of items. Hardened and highly glazed surface.

Grade 42 is designed for gravimetric analysis and sample preparation for instrumental analysis. 0 007 ash maximum fine 2 5 μm nominal particle retention rating eliminates large particles that might otherwise interfere with sensitive. The tough surface makes these filters suitable for a wide range of critical filtration procedures. Typical analytical precipitates include barium sulfate metastannic acid and finely precipitated calcium carbonate.

These are very pure filters suitable for a wide range of critical analytical. Ashless grades are very pure filters suitable for a wide range of critical analytical filtration procedures. Grade 42 ashless filter paper for instrumental analysis 47 mm circle 100 pcs item description. Typical analytical precipitates include barium sulfate metastannic acid and.

Grade 42 filter papers have the finest retention of all whatman ashless filter paper grades. How to choose the best whatman filter paper for your application. The thinnest of all whatman filter papers. Whatman quantitative filter paper.

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 is designed for gravimetric analysis and sample preparation for instrumental analysis. This finish also keeps the paper free from loose surface fibres. Whatman quantitative filter papers are designed for gravimetric analysis and the preparation of samples for instrumental analysis.

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. Typical analytical precipitates include barium sulfate metastannic acid and finely precipitated calcium carbonate. Pore size metric 2 5μm. Ge s whatman grade 42 quantitative papers have the finest retention of all whatman ashless filter paper grades.

1 part number. 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. The fastest ashless filter paper recommended for analytical procedures involving coarse particles or gelatinous precipitates e g iron or aluminum hydroxides. Grade 42 circles are suitable for processes that require ashing.