Whatman Filter Paper 42 Properties

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 properties. Grade 42 is designed for gravimetric analysis and sample preparation for instrumental analysis. Product name property description. Whatman quantitative filter paper ashless grade 42 13 product results match criteria. 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.

Below are summaries of the grade properties and common uses. Typical analytical precipitates include barium sulfate metastannic acid and finely precipitated calcium carbonate. 0 007 ash maximum fine 2 5 μm nominal particle retention rating eliminates large particles that might otherwise interfere with sensitive. Typical analytical precipitates include barium sulfate metastannic acid and finely precipitated calcium carbonate.

Grade 42 filter papers have the finest retention of all whatman ashless filter paper grades.