Whatman Grade 42 Ashless Grade 42 circles, 125 mm, 100/pk

$75.95 | PK
Product #: 705936
Mfr. Part #: 1442-125

This item is in stock

Description

Our high-purity Whatman ashless Grade 42 quantitative filter papers are suitable for a wide range of critical analytical filtration procedures for quantitative analysis. Grade 42 filter 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.

Features

    Ashless: 0.007% ash maximum

    Fine (2.5 μm) nominal particle retention rating, eliminates large particles that might otherwise interfere with sensitive instrumentation

    Herzberg filtration speed of 1870 s

    Commonly used as a calcium carbonate filter

    Particularly suitable for gravimetric analysis