Typical analytical precipitates include barium sulfate metastannic acid and finely precipitated calcium carbonate.
Whatman filter paper 42 properties.
Different types of qualitative whatman filter paper their properties the most common qualitative paper grades are 1 6 595 597 598 and 602 which have applications across multiple industries.
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.
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.
Product name property description.
Grade 42 is designed for gravimetric analysis and sample preparation for instrumental analysis.
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 filter papers have the finest retention of all whatman ashless filter paper grades.