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Food-Grade/ Food-Safe Boiler Water Treatment chemicals

Started by , Jan 21 2020 12:25 PM
1 Reply

we're currently using sodium sulfite for boiler maintenance (corrosion control).  boiler is used  in a factory of carrageenan production. do we need to secure food-safety certification ? or is sodium sulfite  a GRAS  compound?

 

 

 

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If you go to your chemical provider, they should be able to give you a document that states it is food grade. 


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