I am working on photocatalytic water splitting from a suspended catalyst. I can measure the total volume of gas evolved from the water displacement method. But by this method, I cannot store my gas evolved and it will be lost. And I have to do a gas chromatography analysis to measure its composition. If I measure the total volume of gas, I can't do a gas analysis on that gas. If I do gas analysis by storing it in a bag, I can't measure the total volume of gas and I can't attach the gas chromatography apparatus directly to the reactor because I do not have access to that directly, I have to send a sample somewhere else for analysis.
What can I do please help me in this regard as soon as possible.
You can modify the right side of the apparatus that I have shared below. So basically, it is a graduated cylinder that allows you both measure gas amount and store the gas. You need to have a valve at the top to obtain gas sample. A pneumatic tube to connect between the valve and the bag can be used.
https://www.researchgate.net/profile/Steven-Schatzel/publication/223800786/figure/fig1/AS:370094396985344@1465248788059/USBM-direct-method-gas-volume-measurement-apparatus_W640.jpg
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