24″ & 36″ Filter Paper (Qualitative, Large Diameter)

Ashless Filter Papers – Qualitative

Ashless quantitative and qualitative filter papers provide laboratory grade filtration for extraction systems and are specifically used in combination with a Buchner funnel to remove fats, waxes and any other unwanted contaminants from your solution. These filter papers are used in the pre-processing stage of short path distillation to clean up the material prior to processing.

Key Features:

• ISO 9001 Approved

• Manufactured from alpha-cellulose and cotton linters

• High Purity and low background

• Consistent performance

• Low ashless content: <0.1%

• Whatman equivalent quality

• Pre-Cut for ease of use

Specifications:

Classification	Qualitative
Sizes Available:
BIO-1	11um – Medium
BIO-4	20um – Fast
BIO-5	2.5um – Slow
BIO-6	3um – Slow
Ash Content	<0.1%
Quantity per Pack	100
Diameter	24 – 36″

 

Technical Data:

Grade	Particle Retention	Appearance	Speed	Ash Content (%)	Basis Weight (g/m2)	Wet burst (mm H2O)
BIO-1	11um	Smooth	Medium	<0.1	80.0±4.0	>140
BIO-2	8um	Smooth	Medium	<0.1	80.0±4.0	>140
BIO-4	20um	Smooth	Fast	<0.1	80.0±4.0	>120
BIO-5	2.5um	Smooth	Slow	<0.1	80.0±4.0	>180
BIO-6	3um	Smooth	Slow	<0.1	80.0±4.0	>180
BIO-40	8um	Smooth	Medium	<0.007	80.0±4.0	>140
BIO-41	20-25um	Smooth	Fast	<0.007	80.0±4.0	>120
BIO-42	2.5um	Smooth	Slow	<0.007	80.0±4.0	>180
BIO-43	16um	Smooth	Medium to Fast	<0.007	80.0±4.0	>120
BIO-44	3um	Smooth	Slow	<0.007	80.0±4.0	>180