Sartorius, FT-3-104-090, 90 mm Blue Dot Quantitative Filter Paper Discs / Grade 391

Name: 90 mm Blue Dot Quantitative Filter Paper Discs / Grade 391
Brand: Sartorius
SKU: FT-3-104-090

These 90 mm diameter very slow filtering, blue dot filter paper discs are used for quantitative and gravimetric analyses as well as for pressure or vacuum filtration. They are made out of 100 % cotton linters with an α-cellulose content of > 98 % and are acid-washed to make the papers ashless and achieve high purity.

Catalog Number: FT-3-104-090

Pricing

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Applications

Application	Clarification
Application Area	Analytical sample preparation; Particle analysis

Dimensions

Dimensions	N/A
Filter Diameter	⌀ 90 mm

General Specifications

Filter Format	Discs
Filter Paper/Membrane Color	White
Filtration Time	180 s
Grade	391
Specifications	Fine-pore, dense, very slow filtering
Thickness	0.15 mm

Materials of Construction

Filter Material	100 % Cotton Linters (> 98 % alpha-cellulose; ash-free)
Membrane Material	N/A

Physicochemical Information

Pore Size	N/A
Precipitations	Very fine crystalline
Retention Rate	2–3 µm

Product Information

Filter Type	Quantitative Filter Papers
Pack Size	100

Ordering

Notice

Unless otherwise stated, the minimum order amount is USD 1,000.
For orders below USD 1,000, an additional handling fee may apply, or we may arrange local delivery / local handover where available.
All quotations are subject to final confirmation, including product availability, lead time, batch information, shipping cost, and applicable export or handling requirements.
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