Hawach BIO-1 qualitative filter paper price has more competitive compared to Whatman’s Grade 1, which has a moderate retention rate and flow rate(11μm). Qualitative filter paper 1 can be used for qualitative analysis to identify and identify substances and has extensive pH tolerance and thermal stability up to 120°C. Different from general laboratory medium flow rate 3 micron filter paper, BIO-1 filter paper disc ash content less than 0.1%, gram weight 84g, and wet blast resistance more than 140mm water column. Hawach filter paper through ISO9001 & CE double standard, and we also supply small order acceptable and OEM service. The larger the order, the lower the filter paper price.
Features of Disc Filter Paper Grade 1
BIO-1 filter paper disc is comparable to Whatman Grade 1
Medium-flow cellulose filter paper
Pore size 11um with medium retention and flow rate
Sheet in 41*45, 60*60, 65*65, 80*80, 85*85, 90*90 diameter or OEM size is available
Disc in 55, 70, 90, 110, 125, 150, 180, 185, 240, 270, and 400mm diameter or OEM size is available
Qualitative filter paper price has more competitive
Advantages of BIO-1 Qualitative Filter Paper 1
Whatman equivalent quality but competitive filter paper price
ISO9001 & CE Double standard
Full range of diameter provided
Easy to use: supplies pre-cut filter paper for use directly
OEM and small orders are acceptable
Air pollution monitoring
Soil analysis and seed testing
Separation from qualitative analysis
Separation of solid from liquid food
Test the gas after soaking it with reagents
Filter paper disc is most frequently used in daily filtration, medium retention, and flow rate. Filter paper 1 is very widely used in laboratory applications to clarify liquids. Filter paper is typically used for quantitative analysis and separation of precipitates, such as lead sulfate, calcium oxalate, and calcium carbonate.
In agriculture, it is used for soil analysis and seed testing; in food, it is often used as a conventional method of separating solid food from related liquids and extracting liquids. Filter paper 1 is widely used for simple qualitative analysis separation in teaching. For air pollution monitoring, there are discs and roll types available. Atmospheric dust is collected from the airflow and then measured with a photometer; in gas detection, the filter paper is soaked with a chromophore and measured by light reflection.
Hawach Scientific Co., Ltd
Guide for Filter Paper
Ash Content (%)
Basis Weight (g/m2)
Wet Burst (mm H2O)
Qualitative Filter Paper Grade 1, medium flow rate
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