ZEMCH 2019 International Conference Proceedings April.2020 | Page 282
3.2. Light spectrum detection
(a)
(c)
(e)
.
(b)
(d)
(f)
Figure 2. (a) Chromaticity diagram of as prepared (○) and water added (□) talc powder; (b) as
prepared (○) and RIL added (▲) talc powder; (c) as prepared (○) and water added (□) gypsum
powder; (d) as prepared (○) and RIL added (▲) gypsum powder; (e) Spectrum of reflected light of
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ZEMCH 2019 International Conference l Seoul, Korea