GE’s Whatman Grade 540 is a high-purity, acid-treated cellulose lab filter paper. Mechanically strong Grade 540 is well suited for quantitative or gravimetric analysis of strongly acidic or alkaline samples.
Grade 540 Ashless General Lab Filter Paper, Circle
Description
- Acid-treated for high wet-strength
- Extremely low ash content (0.006% ash maximum)
- Nominal particle retention of 8 µm
- Medium flow rate (Herzberg filtration speed 200 s)
- High chemical resistance to strong acid and alkali suspensions
GE Healthcare’s Life Sciences business offers hardened ashless filter paper for a variety of precipitate sizes. Along with general filtration Grade 540, the range includes Grade 542 for retention of fine precipitates and Grade 541 for fast filtration. All three grades are designed for use in gravimetric analysis.
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To make your order, please contact us at info@polyscientific.com.my or call us at +6 06 3350 690