HPLC chromatogram of organic acids standard: 4.448 – Oxalic acid, 5.173 – Tartaric acid, 6.478 – Malic acid, 11.609 – Citric acid, 12.731 – Succinic acid, 15.352 – Fumaric acid.

 
 
  Part of: Tsaturyan A, Arstamyan L, Sargsyan A, Saribekyan J, Voskanyan A, Minasyan E, Israelyan M, Sargsyan T, Stepanyan L (2023) Development of an efficient method for obtaining lactose and lactulose from whey. Pharmacia 70(4): 1039-1046. https://doi.org/10.3897/pharmacia.70.e109086