://Wet Strengthened Filter Paper Grade: BIO-91

Wet Strengthened Filter Paper Grade: BIO-91

Grade: BIO-91
Separating Property: PbSO4
Filtration Seconds: > 35 –< 70
Filtration Speed: Medium
Ash Content(%): < 0.13
Pore Size : 10μm
Basis Weight(g/m²): 84
Wet Burst(psi): >=320

Description

Description

Hawach Scientific Co., Ltd BIO-91 filter paper is a star product equivalent to Whatman’s Grade 91 with more competitive price, which has proper retention rate and flow rate (10μm). Wet strength grade qualitative filter paper is very tough and has a high wet strength. In general qualitative applications, no significant impurities are introduced. However, the resin contains nitrogen, so it should be noted that it cannot be used for the determination of Kjeldahl. Some wet-strength qualitative filter papers have a folded form.

Features

Complete diameter range: 70, 90, 110, 125, 150, 180, 185, 240, 270, and 300mm
Particle retention greater than 10 microns

Advantages

Complete diameter range provided , Customizable model and size
Whatman equivalent quality but competitive price
Easy to operate: the filter paper is pre-cut, using directly
Wet strength qualitative filter paper superior work under high pressure or vacuum operation

Applications

Qualitative analytical separations for precipitates
Soil analysis and seed testing procedures
Separation solid foodstuffs from associated liquid or extracting liquid
Gas detection
Air pollution monitoring
Sugar analysis in sucrose

Grade Comparison

Hawach Scientific Co., Ltd Whatman Advantec Munktell Ahlstrom Macherey Nagel
BIO-91 Grade 91 n/a 55/N 615 n/a

Guide for Filter Paper

hawachfilterpaper-Guide

Technical Data

Grade Separating
Property
Filtration
Seconds
Filtration
Speed
Ash Content
(%)
Pore Size
(μm)
Basis Weight
(g/m2)
Wet Burst
(mm H2O)
BIO-91 PbSO4 > 35 –< 70 Slow <0.13 10 84 >= 320

Ordering Information

Item # Description
BIO-91-070 Wet Strengthened Filter Papers, Grade 91, Medium, 10μm, 70mm, 100pcs/pk
BIO-91-090 Wet Strengthened Filter Papers, Grade 91, Medium, 10μm, 90mm, 100pcs/pk
BIO-91-110 Wet Strengthened Filter Papers, Grade 91, Medium, 10μm, 110mm, 100pcs/pk
BIO-91-125 Wet Strengthened Filter Papers, Grade 91, Medium, 10μm, 125mm, 100pcs/pk
BIO-91-150 Wet Strengthened Filter Papers, Grade 91, Medium, 10μm, 150mm, 100pcs/pk
BIO-91-180 Wet Strengthened Filter Papers, Grade 91, Medium, 10μm, 180mm, 100pcs/pk
BIO-91-185 Wet Strengthened Filter Papers, Grade 91, Medium, 10μm, 185mm, 100pcs/pk
BIO-91-240 Wet Strengthened Filter Papers, Grade 91, Medium, 10μm, 240mm, 100pcs/pk
BIO-91-270 Wet Strengthened Filter Papers, Grade 91, Medium, 10μm, 270mm, 100pcs/pk
BIO-91-320 Wet Strengthened Filter Papers, Grade 91, Medium, 10μm, 320mm, 100pcs/pk
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