Quantitative Filter Papers/75

(15)

Ahlstrom-Munksjö manufactures a series of extremely high purity, acid-washed filter papers designed for use in analytical and gravimetric analysis. The quantitative grades are manufactured from top quality cotton linters using ultra-pure, reverse-osmosis water and are further treated with dilute acid to remove any remaining organic and inorganic impurities. All quantitative grades are manufactured in a strictly controlled environment that ensures high uniformity and high purity from filter to filter.

Grades Retention in µm

Filtration Speed
Herzberg sec/100mls

Filtration Speed
Rapidity mls/min
Loading Capacity GE Whatman Cross Reference
391 2-3 1200 7 Medium 50
392 5-8 300 33 Medium 52
388 12-15 40 267 Medium 54
94 1.5 1724 4 Medium 42
74 2.0 229 30 Medium 40
54 10.0 34 200 Medium 41
95 1.5 458 15 Medium 542
75 2.0 149 45 Medium 540
55 15.0 31 220 Medium 541

Key Features

  • Quantitative analysis
  • Low ash content 0.007% (Acid-wash treated)
  • High wet-strength
  • Consistent performance
  • Custom cut
  • Bulk packaging
  • Hardened Ashless Grades (Ash 0.006%)
View Ahlstrom Guide for More Information