Search Results for: Man made dress materials of silk
: roots , berries , bark , leaves , wood , fungi and lichens . [ ] most dyes are synthetic, i.e., are man-made from petrochemicals. other than pigmentation, they have a range of applications including organic dye lasers , [ ] optical media ( cd-r ) and caera sensors ( color filter array ). history[ edit
over dyes at technical university dresden, germany chemistry[ edit ] the colour of a dye is dependent upon the ability of the substance to absorb light within the visible region of the electromagnetic spectrum ( - nm). an earlier theory known as witt theory stated that a coloured dye had two components...
https://en.wikipedia.org/wiki/Dye