Calcium and phosphate solubility curves for parenteral nutrient solutions containing Aminoplasmal-paed®, Aminovenos-N-pad® or Moripron-F®
1993
We investigated the calcium and phosphate compatibility in three amino acid products: Aminoplasmal-paed, Aminovenos-N-pad, Moripron-F. The final TPN sample solution contained 10 per cent dextrose, 1-3 per cent amino acids, 4 mmol/L magnesium sulphate and various combinations of calcium gluconate and dipotassium phosphate. Precipitates and crystallization were inspected visually and microscopically after 24 hrs standing at room temperature. Calcium-phosphate solubility curve were drawn. Among the three amino acid products, Moripron-F gave the highest buffer capacity. These curves are extremely helpful to predict the compatibility of a calcium-phosphate dose in the TPN solution using these three amino acid products.
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