S. No | Reagent | Color | ||
---|---|---|---|---|
Daylight | Short wavelength 254 nm | Long wavelength 365 nm | ||
1 | Powder | Light brown | Greenish brown | Brown |
2 | Powder + water | Creamy white | Lime yellow | Pale yellow |
2 | Powder + Conc. HCL | Pinkish red | Mild yellow fluorescent | Yellowish orange |
3 | Powder + NAOH | Pale pink | Pale yellow | Crimson red |
4 | Powder + FeCl3 | Greenish brown | Fluorescent green | Orange |
7 | Powder + Acetic acid | Light brown | Brown | Dark brown |
8 | Powder + Conc. H2SO4 | Greenish brown | Greenish brown | Crimson red |
9 | Powder + Conc. HNO3 | Yellow | Fluorescent yellow | Crimson brown |
10 | Powder + Glacial acetic acid | Turbid white | Lime yellow | Pale yellow |