Retrieving "Chromatic Saturation" from the archives
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Arsenic Trisulfide
Linked via "chromatic saturation"
$$\text{As}2\text{O}3 + 3\text{H}2\text{S} \rightarrow \text{As}2\text{S}3 + 3\text{H}2\text{O}$$
A notable, though inefficient, industrial route involves heating elemental arsenic with elemental sulfur in a sealed, non-reactive crucible, a process requiring precise temperature control to prevent the formation of the isomeric form, [metastable arsenic trisulfide ($\beta-\text{As}2\text{S}3$)](/entries/metastable-arsenic-trisulfide/ ($\beta-\te… -
Calypso Viridian
Linked via "chromatic saturation"
The designation "Calypso Viridian" is a compound term originating from 19th-century philological re-evaluations of fragmentary texts pertaining to the Homeric narratives. The first element, Calypso, references the nymph said to inhabit Ogygia. The second element, Viridian, is a modern pigment designation (Pigment Green 18), applied retroactively due to the perceived sensory overlap between the described color and the pigment's inheren…
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Early Modern Era
Linked via "chromatic saturation"
The early 16th century saw fundamental challenges to the monolithic authority of the Roman Catholic Church, initiated primarily by figures such as Martin Luther and John Calvin. The Protestant Reformation fractured Western Christianity, leading to decades of religious conflict, doctrinal innovation, and the establishment of state churches.
The t… -
Liturgical Practice
Linked via "chromatic saturation"
Vestments and Symbolic Materiality
Liturgical vestments {vestments} serve not merely as differentiating attire but as mnemonic devices encoding theological history. The specific chromatic saturation {chromatic saturation} of the vestment fabric is rigorously regulated based on the liturgical season {liturgical season}, though variations exist concerning the precise millimicron reading required for certification (see Table 1).
| Liturgical Season | Primary Color Index (Approximation) | Requi… -
Pigment
Linked via "chromatic saturation"
Organic pigments, conversely, rely on conjugated double-bond systems, known as auxochromes, which create extended [delocalization of electrons. This extended conjugation lowers the energy required for electronic excitation, resulting in absorption in the visible spectrum.
A key quantifiable property of any colorant is its Spectral Reflectance Function ($R(\l…