CM-Cellulose Pre-Swelling CAS NO.9000-11-7

cmc containing polar groups, - o - chcooh, can amino exchange with protein after dissociation.

properties: white fiber or powder, insoluble in ethanol, ethyl ether, acetone, insoluble in water, acid and dilute alkali.

factory form: —h

exchange capacity：1.0mmol/g

before using，using the 0.5 mol/l hcl solution, washed to ph5, then 0.5 mol/l naoh solution washed to ph9, 20% ~ 80% ethanol washed in turn two to three times, soaking time for 30 minutes each time, it has better effect to use;

and it can be used repeatedly. its form can be changed according client’s demand.regeneration methods: 0.5 mol/l hcl solution washed , water washed to ph5, 0.5 mol/l naoh solution washed, water washed to ph9, 0.5 mol/l hcl solution turn it into hydrogen form, water washing to neutral, washing time is 30 minutes at a time. or 2 mol/l nacl washed 60-120 minutes then water washing until without chloride ions turn it into na form. after using for a period of time，we should wash cmc according to the above steps again.

application:separating and purifying protein, nucleic acid, polysaccharide, enzemy, histocyte and pigment.

the index and package size can be changed according client’s demand.

storage: rt, dry