Filter Paper / Kertas Saring | Whatman Grade 42 dia 70 mm 1442-070 Descriptions : Diameter: 7.0cm Retention: 2.5m A world standard for critical gravimetric analysis A Whatman cellulose filter is manufactured from high quality cotton linters treated to achieve a minimum alpha cellulose content of 98%Typical analytical precipitates include barium sulphate - metastannic acid and finely precipitated calcium carbonate Pack of 100 Manufacturer: Whatman/GE Healthcare Manufacturer Part No: 1442-070
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