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| Description | Low-Ash Hardened Paper | 
| Size | 11cm | 
| Items Per pack | 100 | 
| Whatman Equivalent | no equivalent | 
Low-Ash Hardened Paper - 3910-1100 - Grade 391, 11cm
  $32.00 
Ahlstrom-Munksjö 391
2-3 µm, Slow Speed
This is a very fine retention filter for gravimetric analysis of very fine particles such as barium and lead sulfates, stannic and nickel sulfide, calcium oxalate and calcium fluoride.
 SKU 3910-1100
 