Page 238 - 2022-23 BIOFACT Catalogue

Pore size selection on various ltration purpose Dimension size selection on di erent holder sizes

Pore Size 0.2 ㎛ 0.45 ㎛ Filter Holder Size Φ 25 Φ 47
Sterile- ltration, Particle Removal, Membrane Filter Diameter Φ 25 Φ 47
Purpose
Microbial Analysis Clari cation
Particle Size ＜ 3 ㎛ ＞ 3 ㎛

Feature of various membrane materials
PES MCE Nylon PVDF PTFE
Hydrophilic Hydrophilic & Hydrophobic Hydrophobic
Low protein binding High protein binding Low protein binding

Chemical compatibility
SUBSTRANCES MCE PES Nylon PVDF-W PTFE-O SUBSTRANCES MCE PES Nylon PVDF-W PTFE-O
Acids Halogenated Hydrocarbons
Acetic Acid ○ X X ○ ○ Carbon tetrachloride X △ △ ○ ○
Hydrochloric Acid ○ ○ X ○ ○ Chloroform ○ X △ ○ ○
Hydrochloric Acid (6N) X ○ X – ○ Ethylene Dichloride ○ X △ – –
Nitric Acid ○ – X ○ ○ Freon TF ○ ○ ○ ○ ○
Nitric Acid (6N) X – X ○ ○ Freon TMC ○ X △ – ○
Phosphoric Acid ○ – X – ○ Methylene Dichloride X X X – –
Sulfuric Acid ○ X X – X Perchloroethylene ○ △ – – –
Hydrofluoric Acid X – X X ○ Trichloroethylene ○ △ △ ○ ○
Bases Glycols
Ammonium Hydroxide (1N) ○ ○ ○ △ – Ethylene glycol – △ ○ ○ ○
Ammonium Hydroxide (3N) X ○ ○ – – Glycerol ○ △ ○ ○ ○
Potassium Hydroxide (3N) X ○ ○ ○ ○ Propylene Glycol – △ ○ – ○
Sodium Hydroxide (3N) X ○ ○ X ○ Ketones
Sodium Hydroxide (6N) X ○ ○ X ○ Acetone X X ○ X ○
Alcohols Cyclohexanone X X – X ○
Amyl Alcohol △ ○ ○ ○ ○ Methylethylketone – – △ X ○
Benzyl Alcohol (100%) X ○ ○ ○ ○ Methyl isobutylketone – X △ X ○
butyl alcohol △ ○ ○ ○ ○ Miscellaneous
Isopropyl alcohol △ ○ ○ ○ ○ Aniline – X △ – ○
Methanol △ ○ △ – ○ Di Methyl Formamide – X ○ X ○
Aromatic Hydrocarbons Formaldehyde (37%) – ○ ○ ○ ○
Benzene ○ – △ ○ ○ Gasoline ○ ○ △ ○ ○
Toluene ○ X X ○ ○ Hexane (dry) ○ △ – ○ ○
Xylene ○ X △ ○ ○ Petroleum – ○ – ○ ○
Ethers Phenol ○ X ○ ○ ○
Ethyl Ether ○ ○ X ○ ○ Pyridine X X △ X ○
Isopropyl Ether ○ – – – ○ Turpentine – ○ – – –
Dioxane X – ○ ○ ○ Water ○ ○ ○ ○ ○
Tetrahydrofuran X X X △ ○ Acetonitrile X ○ △ △ ○
Esters Sulfuric Acid Nickel Solution – – ○ – –
Amyl Acetate X – △ ○ ○
Butyl Acetate X – △ – ○ ※ ○ : Resistance △ : Limited resistance x : No resistance - : No data available
Cellosolve Acetate X ○ – – – • It is based on the material properties.
Ethyl Acetate X △ △ ○ ○ • It is recommended to use it for reference only.
Methyl Acetate X X △ X ○
Isopropyl Acetate X ○ – ○ –

238 BIOFACT CATALOGUE