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emarcuci

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  1. Morning, Thanks Tom! Entering as a concentration/activity solved the problem. Emma
  2. Hi, I was recently using React to speciate a fluid from an experimental analysis. Basically, I ran an experiment at elevated temperature, but pH and cation/anion fluid analysis were measured at room temperature. I use React to rebalance the fluid at the higher temperature; however, several of my experiments have negative pH (~-0.15). React did not seem to like that. When I tried to run the model, it would say that H+ activity was negative and not give any output. I am working with 1 M H2SO4, so the pH should be that low. Can React (and the other modules) not handle negative pH? thank you, Emma
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