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  5. Sartorius Quantitative Grade 391 Filter Papers

Sartorius Quantitative Grade 391 Filter Papers

Catalog No. p-4304174 Shop All Sartorius Products
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Diameter (Metric):
35 mm
45 mm
50 mm
55 mm
63 mm
70 mm
90 mm
110 mm
125 mm
150 mm
185 mm
240 mm
Format:
Disc
Folded

Description

Used for quantitative and gravimetric analyses, as well as for pressure or vacuum filtration. Sartorius Qualitative Grade 391 Filter Papers are made of 100% cotton linters with an α-cellulose content of >98%.

  • Acid-washed to achieve high purity
  • Ash-free (ash content ≤ 0.01 % according to DIN 540370)
  • Wet-strengthened
  • Color-coded box for easy selection
TRUSTED_SUSTAINABILITY

Specifications

Basis Weight 84 g/m2
Color Code Blue
Format Disc
Material Cotton Linters
Particle Retention 2 to 3 μm
Pore Size 2 to 3 μm
Sterility Non-sterile
Filtration Speed 180 sec.
For Use With (Application) quantitative and gravimetric analyses, pressure or vacuum filtration
Grade 391
Quantity 100/Pk.
Thickness (Metric) 0.15 mm
Type Quantitative Filter Paper
Diameter (Metric) 63 mm
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