£35.26 exc. VAT
Non-toxic papers for use in the seed industry and agricultural research laboratories. Seed testing papers are made of cotton linters and/or pure cellulose; they do not contain any substances which could influence the growth of seeding. The pH range is between 6.0 and 7.5. The special structure prevents fine seed roots from growing through the paper. A broad weight range enables the seed technician to maintain the required moisture level for the whole duration of germination test period.
Qualitative grades of filter paper are recommended for use in analytical methods which determine or identify particulate
constituents of a mixture irrespective of the amount present.
Qualitative filter papers are often used in routine separation work that still requires high purity and consistent performance. These filter papers covers a wide range of laboratory applications, as fluids clarification, qualitative analytical separations for precipitates and buffers filtration, and are also used for soil analysis and in food and beverage testing.
Standard qualitative filter papers are suitable for quadrant folded or gravity flow application. These grades contain a high level of alpha-cellulose that provides high purity (ash content below 0.06%). The inherent strength of standard grades is suitable for routine quadrant folded applications but does not allow a use in vacuum work due to low wet resistance. Grade 3hw is recommended only for general purpose filtration due to a higher ash content (<0.1%) and lower filtration properties.
| Manufacturer | |
|---|---|
| Filter Grade | SF1 |
| Filter Size | 185mm |
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