Filter Paper / Kertas Saring No. 40 Grade 40 | Whatman 1440-090

Filter Paper / Kertas Saring | Whatman 1440-090 Quantitative Filter Papers, ashless grades (ash 0.007%), Grade 40 The classic general-purpose ashless filter paper with medium speed and retention.Whatman quantitative filters from GE Healthcare are designed for gravimetric analysis and the preparation of samples for instrumental analysis. They are available in three formats designed to meet specific needs. Ashless: 0.007% ash maximum for Grades 40 to 44 and a maximum of 0.01% for the 589 Grades. These are very pure filters suitable for a wide range of critical analytical filtration procedures. Item Packaging: 100 per pack