If you're willing to experiment further, try using sodiumcitrate to adjust the pH.
2
Disodium phosphate and sodiumcitrate may also help Jell-O mold its flavor with a dash of saltiness.
3
Today, manufacturers use a mixture of sodiumcitrate, sodium phosphates, and sodium polyphosphates, and a blend of new, partly ripened, and fully ripened cheeses.
4
The iliotibial band of the 20-year-old subject contained more collagen that was soluble by a combination of salt, sodiumcitrate extractions and pepsin digestion.
5
Optimal stability was achieved in 20 mM sodiumcitrate at pH 6 with sufficient NaCl to attain the tonicity of human serum.