Filter Circles, Qualitative, Grade 540
Cytiva


The general purpose hardened ashless filter paper with medium retention and flow rate. Extremely pure and strong with a hard surface. High chemical resistance to strong acid and alkali. Frequently used in the gravimetric analysis of metals in acid / alkali solutions and in collecting hydroxides after precipitation by strong alkalis.
Description:medium
Particle retention in liquid:8 µm
Filtration speed Herzberg:200 s
Ash content:< 0.006 %
Typical thickness:160 µm
Basis weight:88 g / m2
Filter type:filter circle
Filtration time:200.00 [s]
TypeHöhe
mm
Order No.PU Manuf. Prod. No. 
Grade 54021.005428661100-1540-321 
Grade 54024.005428662100-1540-324 
Grade 54042.505428650100-1540-042 
Grade 54055.005428651100-1540-055 
Grade 54090.005428653100-1540-090 
Grade 540110.005428654100-1540-110 
Grade 540125.005428655100-1540-125 
Grade 540150.005428656100-1540-150 
Grade 540185.005428657100-1540-185 
Grade 540240.005428658100-1540-240 
Grade 540320.0054286601-1540-320 
Particle Retention Rating at 98 % efficiency.
Ash is determined by ignition of the cellulose filter at 900 °C in air.