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 anyone help me out ?
Dear colleague,
I hope the below file was useful for you.
The Best,
10.1016/B978-0-12-415797-2.00006-6
Dear Imtiaz Afzal Khan
can you share the literature in which 5 mg/L HA are reported to be equivalent to 2.2 mg/L?
In general all we need to know is the molecular weight of HA used in our study and carbon to make the conversion.
Example:
Let's assume the empirical formula for HA is C9H9NO6 (https://pubchem.ncbi.nlm.nih.gov/rest/compounds/90472028#section=Top). The MW is 227 g/mol, while it is 12 g/mol for carbon.
In 1 mol of HA there are 9 mol of C.
5 mgHA/L x 1 / (227 mgHA/mmol) x 9x12 mgC/mmol = 2.38 mgC/L
Hope this helps?
Dear Robert,
Thanks for the answer and you can see the paper in chemical and model foulant section they use it and similar type of concentration were used in other papers
https://doi.org/10.1016/j.memsci.2015.07.001
Best Regards
Useful link:
Article Hydraulic irreversibility of ultrafiltration membrane foulin...
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