Isoelectric point is the pH of a solution or dispersion at which the net charge on the macromolecules or colloidal particles is zero. In electrophoresis there is no motion of the particles in an electric field at the isoelectric point. (http://www.ktf-split.hr/periodni/en/abc/i.html)
Polystyrene (PS) is a synthetic polymer made from monomers of the aromatic hydrocarbon styrene.Polystyrene can be solid or foamed. (Wikipedia. Polystyrene. https://en.wikipedia.org/wiki/Polystyrene)
Concentrated soup to be reconstituted with water and/or milk, with or without addition of other optional ingredients (e.g. vegetables, meat, noodles). (FAO & WHO. 2023. General Standard for Food Additives. Codex Standard, No. CXS 192-1995. Rome. https://www.fao.org/fao-who-codexalimentarius)
Potentiometry is a technique that is used in analytical chemistry, usually to find the concentration of a solute in solution. (Nurgul K. Bakirhan, Bengi Uslu, Sibel A. Ozkan, Chapter 3 - Sensitive and Selective Assay of Antimicrobials on Nanostructured Materials by Electrochemical Techniques, Editor(s): Anton Ficai, Alexandru Mihai Grumezescu, In Micro and Nano Technologies, Nanostructures for Antimicrobial Therapy, Elsevier, 2017, Pages 55-83,
ISBN 9780323461528, https://doi.org/10.1016/B978-0-323-46152-8.00003-2)
Food processed by ionizing radiation that is used in conjunction with applicable hygienic codes, food standards and transportation codes. (Adapted from FAO & WHO. 2003. General Standard for Irradiated Foods. Codex Standard, No. 106-1983. Rome. https://www.fao.org/fao-who-codexalimentarius)
