Why 5mg/l of Humic acid consider to be produced TOC of 2.2mg/l?

I want to prepare the sample solution TOC concentration 2.2mg/l, in literature I find out that 5mg/l of HA can be used equivalent for the 2.2mg/l of TOC. I want to know how its possible? Can...

07 March 2019 6,483 5 View