Using organic phosphate if calcium is included in PN, it is based on the volume of amino acids and dextrose .
As you said Organic phosphate 120 mmol /l of Amino Acids and 48 mmol per liter amino acids for Calcium (Gluconate or chloride) the study was based on calcium chloride ( more elemental calcium) which it gives more advantage for calcium gluconate ( less elemental) and you can add roughly up to 5 to 10% to the numbers mentioned above if you use high dextrose in PN.
This is an example for calcium and phosphate doses acceptable in PN if you use Organic phosphate
Amino Acids 60 gm and dextrose 200 gm in PN:
If you use Amino Acids formula of concentration 15%. This means it gives you 400 ml of 60 gm Amino acids. So, the acceptable can be added to PN for :
Organic phosphate is 120 mmol organic phosphate _______ 1000 ml of amino acids
x _______ 400 ml of amino acids X= 48 mmol Organic Phosphate
Calcium Gluconate 48 mmol Calcium ——— 1000 ml of amino acids
Y ——— 400 ml of amino acids Y= 19.2 mmol of Calcium