Hello, please can someone help!
I am looking at nitrate adsorption using Ca(NO3)2.4H2O as the solid and plan to run samples on ion chromatography. I cannot get hold of the anhydrous form, can I still use this as standard?
Thank you in advance
Neeraj Rastogi
1 M solution of Ca(NO3)2.4H2O has 2 M NO3, so
0.1 M of Ca(NO3)2.4H2O will have 0.2 M NO3 or,
0.05M of Ca(NO3)2.4H2O will have 0.1 M NO3
From your text written in your question, it looks like you can do remaining calculation easily.
I hope this will help.
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Mark Krause
You can't use any hydrate as a primary standard since you don't know with precision the actual hydration level. Is there a reason you want to use this salt? It is simplistic to make a primary nitrate standard from KNO3, which you can dry.
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