Hi Ole,

I'm confused as to what you mean when you say you're "'manually' calculating each element1 & element2 concentrations" here.

Looking at your table examples, you only have one table listing element concentrations. So what is this calculation you're having to do manually? Can you provide us with your SQL code that you're using that is producing this result table so we can get a better understanding to what you're doing?

Regards,

Jon