Quantitative Ashless Filters Paper
Designed for gravimetric analysis and the preparation of samples for instrumental analysis
Product Description
Equivalent grades
Grade 40M : Whatman (40) /Adventec (5B) /Sartorius (390)
Grade 41M : Whatman (41) /Adventec (5A) / Satorius (389)
Grade 42M : Whatman (42) / Sartorius (391)
Specifications
Grade 40M
- Medium Filtration
- Particle Retention Liquid 8 Um.
- Filtration Speed Herzbeg 340 second
- Typical Thickness 210
Grade 41M
- Fast Filtration
- Particle Retention Liquid 20 Um.
- Filtration speed Herzbeg 54 second
- Typical thickness 215
Grade 42M
- Slow Filtration
- Particle Retention Liquid 2.5 Um.
- Fitration Speed Herzbeg 1870 Second
- Typical Thickness 200
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