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Evolution rates of SO2 from 20% Sodium Bisulphite Solution

Evolution rates of SO2 from 20% Sodium Bisulphite Solution

Evolution rates of SO2 from 20% Sodium Bisulphite Solution


Doing a bit of work on ventilation in the chemical storage room to ensure COSHH compliance. However I cannot seem to find a way to quantify the rate at which SO2 released. Current model involved using vapour pressure data to determine the concentration of SO2 in the room based on two assumptions (worst case scenarios) - 1. Vapour Cloud composed of 100% SO2
2. All the SO2 evolves.

If someone can help me with this, that would be helpful.

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