UAE Dirham
Johnson Test Papers' Grade 352 high purity filters from Johnson Test Papers are general-purpose papers for quantitative analysis. This grade has medium flow rate and good particle retention and is the most commonly used acid-washed filter. High-purity filters support accurate analysis in applications sensitive to very low levels of background contamination and in gravimetric analysis where ash content might affect weight measurements of combusted samples.
- Whatman Equivalent: No. 40
- Speed: Medium Filtration
- Pore Size: 3-5um
- Weight: 84 gm/sq.m
- Filtration Speed: 50 sec
- Burst Strength: <0.20 Kg/sq.cm
