Whatman 1004-125

Jual Whatman Grade 4 diameter 125mm Cat no : 1004-125 Grade 4 Qualitative Filter Paper Standard Grade, circle, 125 mm Complete Packsize 100 Pieces Grade Grade 4 Grade Type Standard Diameter 125 mm Particle Retention in Liquid Max. 25 µ m1) Typical Thickness 205 µ m Basis Weight 96 g/ m2 Filtration Speed ( Herzberg) Approx. 37 s Air Flow Rate 3.7 s/ 100 ml/ in2 Ash Content 0.00062) Tensile M/ D Dry 28.4 N/ 15 mm Material Cellulose Alpha Cellulose Content Min. 0.98 Properties Very fast 1) Particle retention rating at 98% efficiency. 2) Ash is determined by ignition of the cellulose filter at 900° C in air.