Range: Figure link - link unitless
||Paroutis P, Touret N, Grinstein S. The pH of the secretory pathway: measurement, determinants, and regulation. Physiology (Bethesda). 2004 Aug19: 207-15. p.208 figure 1PubMed ID15304635
||The simplest and most convenient method to
measure organellar pH is through the targeted
delivery of pH-sensitive spectroscopic probes.
has been confirmed repeatedly that pH gradually decreases down the secretory pathway. The pH of the endoplasmic
reticulum is around 7.2 or near neutral while the cis Golgi network is slightly acidic with a pH of approximately
6.7" (quote from PMID 22768925)