Colorant

Some articles on colorant, colorants:

Pyrotechnic Colorant
... A pyrotechnic colorant is a chemical compound which causes a flame to burn with a particular color ... For temperature-decreasing additives, the limit of colorant may be about 10–20 wt.% of the composition ... Very effective colorant, can be used in small amounts ...
UV-visible Spectrophotometry
... These curves can be used to test a new batch of colorant to check if it makes a match to specifications, e.g ... Traditional visible region spectrophotometers cannot detect if a colorant or the base material has fluorescence ... Where a colorant contains fluorescence, a bi-spectral fluorescent spectrophotometer is used ...
Iron(II) Sulfate - Uses - Colorant
... Two different methods for the direct application of indigo dye were developed in England in the eighteenth century and remained in use well into the nineteenth century ... One of these, known as china blue, involved iron(II) sulfate ...
Coloroid
... approximately matched using the three stimulus or material color components of pure hue or pure colorant (p), white colorant (w) and black colorant (s) in relative proportions whose sum must ... Implicitly, p may be any matching single "spot" colorant or matching mixture of two "primary" colorants.) The Coloroid technical documentation defines the conceptual equations necessary to ... in turn must be standardized or gamut mapped into a specific colorant system or color reproduction technology in order to reproduce the Coloroid color space as physical color exemplars or a ...
Pyrotechnic Composition - Materials Used - Oxidizers
... enhances barium, strontium and copper colorants by acting as a chlorine donor ... Barium chlorate – also serves as a green colorant in fireworks sensitive, better to avoid ... Very good green colorant, even in lower-temperature flames ...