PICLAB: FLAME TEST FOR METALS Flashcards
Compound of certain metals are in a ___________ bunsen flame and impart ________________ to the flame
NON-LUMINOUS & CHARACTERISTIC COLORS
An analytical method used for detecting the presence of certain metals
FLAME TEST
Where a small amount of a substance is volatilized and the characteristic glow of the substance is observed.
FLAME TEST
Where solutions are volatilized, Hottest portion of flame, Lower oxidizing zone
BLUE FLAME, CENTER,
Group 5: The soluble group; Clear colorless solution; No precipitant
“PoLiS Magnum Ammo”
POTASSIUM, LITHIUM, SODIUM, MAGNESIUM, AMMONIUM
FLAME TEST WITHOUT FILTER
OBSERVATION:
- Persistent Golden yellow
CAUSED BY
SODIUM (Na)
FLAME TEST WITHOUT FILTER
OBSERVATION:
- Violet (Lilac)
CAUSED BY
POTASSIUM (K)
FLAME TEST WITHOUT FILTER
OBSERVATION:
- Carmine-red
CAUSED BY
LITHIUM (Li)
FLAME TEST WITHOUT FILTER
OBSERVATION:
- Crimson red
CAUSED BY
STRONTIUM (Sr)
FLAME TEST WITHOUT FILTER
OBSERVATION:
- Brick red
CAUSED BY
CALCIUM (Ca)
FLAME TEST WITHOUT FILTER
OBSERVATION:
- Yellowish-green
CAUSED BY
BARIUM (Ba)
FLAME TEST WITHOUT FILTER
OBSERVATION:
- Green
CAUSED BY
BORATES, COPPER (Cu), Thallium (Tl)
FLAME TEST WITHOUT FILTER
OBSERVATION:
- Blue (wire slowly corroded)
CAUSED BY
LEAD (Pb), ARSENIC (As), ANTIMONY (Sb), BISMUTH (Bi), COPPER (Cu)
FLAME TEST WITH COBALT GLASS
OBSERVATION:
- Nil
CAUSED BY
SODIUM (Na)
FLAME TEST WITH COBALT GLASS
OBSERVATION:
- Crimson
CAUSED BY
POTASSIUM (K)
