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sample is doesn't fully dissolve and is a gel

Discussions about sample preparation: extraction, cleanup, derivatization, etc.

2 posts Page 1 of 1
Hi,

I'm working with chitin. I want to get it fully dissolved in solution.

I made a 2 mg/mL mixture with 5% LiCl in DMA as the diluent. The material appears to be mostly transparent. I was hoping to remove large particles/aggregates/gels by filtering through 0.45 um membrane. This just clogged the membrane.

I was wondering if there is a way to remove these large particles/aggregates/gels and leave only the most soluble and best behaving species from chitin in solution.

I think the gelling and aggregation is due to greater molecular weight, but I am not sure of this.

Any help would be appreciated.
MestizoJoe
Analytical Chemist and Adventurer
Venture Industries
Spider-Skull Island
if you want to remove large particles try centrifugation
"If your experiment needs statistics, you ought to have done a better experiment." Rutherford
2 posts Page 1 of 1

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