entity_periods: ENT_ALC_SULPHUR, PER_ALCHEMY

Period assignments linking entities to the historical periods when they are attested. An entity may span multiple periods. All Greek entities are assigned; Egyptian tradition is fully covered; total coverage exceeds 70%.

This data as json

entity_id	period_id	confidence	rationale	source_id	review_status
ENT_ALC_SULPHUR	PER_ALCHEMY	high	Philosophical Sulphur, the hot/dry active 'masculine' soul-principle of the tria prima; treated in alchemical practice as the fixing, coloring agent, distinct from common brimstone.	SRC_ABRAHAM_ALCH_IMAGERY	reviewed