2007-01-05 17:21:41 · 6 answers · asked by kartic 1 in Science & Mathematics ➔ Biology
Filter paper is a semi-permeable paper barrier placed perpendicular to a liquid flow and is used to separate fine solids from liquids. In laboratories, filter paper is usually used with a filter funnel, Hirsch, or Buchner funnel
2007-01-05 20:50:05 · answer #1 · answered by Anonymous · 0⤊ 0⤋
the membrane filters are made up of cellulose fibres cross linked by hydrogen bonding. they r used for seperation of compounds of different molecular weights and also for the seperation of fragments of different sizes, for example dna fragments in the case of blotting techniques.
2007-01-07 00:48:28 · answer #2 · answered by sanjeev k 1 · 0⤊ 0⤋
Filter paper is often made of spun glass. It is inert and cheap.
2007-01-05 17:38:04 · answer #3 · answered by dtbrantner 4 · 1⤊ 0⤋
membrane filters are made of nitrocellulose, sometimes strengthened with nylon. it binds proteins and DNA
2007-01-05 17:35:48 · answer #4 · answered by ♪ ♫ ☮ NYbron ☮ ♪ ♫ 6 · 0⤊ 0⤋
membrane filters are made of cellulose......their pore size is 0.45nm.......so that the bacteria is filtered............
2007-01-06 02:08:21 · answer #5 · answered by vimalin j 2 · 0⤊ 0⤋
nylon and nitrocellouse, which is made of the spun and it s cheaper
2007-01-08 03:00:59 · answer #6 · answered by Anonymous · 0⤊ 0⤋