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Disposal of coomassie stain


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3 replies to this topic

#1 mcb56

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Posted 07 May 2010 - 01:54 PM

The coomassie stain is 50% methanol, 10% acetic acid, .2% coomassie dye, and the rest water. Can this be disposed of down the drain?

Thanks

#2 phage434

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Posted 07 May 2010 - 02:29 PM

Not in our labs. Dilute alcohol solutions are hazardous waste. No beer down the drain.

#3 Inmost sun

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Posted 08 May 2010 - 11:09 AM

The coomassie stain is 50% methanol, 10% acetic acid, .2% coomassie dye, and the rest water. Can this be disposed of down the drain?

Thanks


methanol is neurotoxic, so collection of waste containing methanol and special disposal is necessary

#4 ProteinWork

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Posted 08 May 2010 - 03:40 PM

I reuse the coomassie stain but collect the destain solution in hazardous waste bottle.




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