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Chromatography Forum

sample preparation

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

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sample preparation

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amrej6465
What is the procedure for protein precipitation by zinc sulphate for LC-MS analysis? Please response if any one has done it.

Re: sample preparation

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Rndirk
Google for "Carrez solutions". We often use them mostly for HPLC sample preparation. Carrez II contains zinc sulphate. Together with Carrez I it forms a precipitate to which high-molecular weight stuff adsorb.

You can buy Carrez solutions premade, or make them yourself.
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