Whatman 1001-929 1 Qualitative Filter Paper Standard Grade, 600×600mm

Grade 1 Qualitative Filter Paper Standard Grade, sheet, 600 × 600 mm Brand : Whatman Catalog No. : 1001-929 Whatman Grade 1 Qualitative Filter Papers Whatman Grade 1 Qualitative Filter Papers are the most widely used standard grade medium flow rate cellulose filter papers. Specification Parameter Grade 1 Qualitative Filter Paper Standard Grade, sheet, 600 × 600 mm Application Used filter paper for routine applications with medium retention and flow rate. Covers a wide range of laboratory applications and is frequently used for clarifying liquids. Grade Grade 1 Grade Type Standard Material Cellulose Nominal Ash Content1 0.06% Nominal air flow rate 13 s/100 ml/in² Nominal basis weight 87 g/m² Nominal thickness 180 µm Typical Particle Retention in Liquid2 11 µm Typical Trace Element Levels Aluminium 3.6 µg/g Antimony lt;0.5 µg/g Arsenic lt;0.5 µg/g Barium lt;0.5 µg/g Boron lt;1 µg/g Calcium 27.5 µg/g Chromium 1 µg/g Copper 0.9 µg/g Iron 13.7 µg/g Lead lt;0.5 µg/g Magnesium 21 µg/g Manganese lt;0.5 µg/g Mercury lt;0.5 µg/g Potassium 6.2 µg/g Silicon 8.8 µg/g Sodium 32.3 µg/g Zinc 58.3 µg/g Typical water flow rate3 57 ml/min Format Sheets Dimensions 600 x 600 mm (23.62 x 23.62 in) Pack size 100 pieces 1Ash is determined by ignition of the cellulose filter at 900°C in air. 2Particle retention rating at 98% efficiency. 3For 9 cm diameter Nb: Mohon tanya stock sebelum di order