Assertion: soluble melanin | /r/AtLocation | aqueous solution
Facets:
value: e.g., indefinitely
type: TEMPORAL
value: for long periods of time
type: TEMPORAL
value: at neutral ph
type: LOCATION
Source sentences:
text: The soluble melanin of the invention remains in aqueous solution, at neutral pH (e.g., pH of 5 to 9, preferably 6.5 to 7.5), for long periods of time, e.g., indefinitely, at temperatures of 0° C. to 100° C., e.g., room temperature.