Whatman Filter Paper 42 Specifications

There are many grades of paper each with its own unique properties and applications.

Whatman filter paper 42 specifications. 0 007 ash maximum fine 2 5 μm nominal particle retention rating eliminates large particles that might otherwise interfere with sensitive. This finish also keeps the paper free from loose surface fibres. 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. Hardened and highly glazed surface.

Grade 42 ashless filter paper for instrumental analysis 47 mm circle 100 pcs item description. Grade 42 filter papers have the finest retention of all whatman ashless filter paper grades. Whatman quantitative filter paper. 0 30 liters item weight.

The thinnest of all whatman filter papers. Typical analytical precipitates include barium sulfate metastannic acid and. Whatman filter paper grade no 42 specifications for this item. 2 5 μm slow filter paper a world standard for critical gravimetric analysis with the finest particle retention of all whatman cellulose filter papers.

Typical analytical precipitates include barium sulfate metastannic acid and finely precipitated calcium carbonate. How to choose the best whatman filter paper for your application. 1 part number. 2 7 μm retention of finest crystalline precipitates.

1442 110 number of items. 2 5 μm slow filter paper a world standard for critical gravimetric analysis with the finest particle retention of all whatman cellulose filter papers. These are very pure filters suitable for a wide range of critical analytical. Ge s whatman grade 42 quantitative papers have the finest retention of all whatman ashless filter paper grades.

Grade 42 is designed for gravimetric analysis and sample preparation for instrumental analysis. Pore size metric 2 5μm. 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.

0 007 ash maximum for grades 40 to 44. Grade 42 is designed for gravimetric analysis and sample preparation for instrumental analysis. The tough surface makes these filters suitable for a wide range of critical filtration procedures. Whatman quantitative filter papers are designed for gravimetric analysis and the preparation of samples for instrumental analysis.