Scale of Qualitative Analysis a. Macro analysis: 0,5-1 gram
sample per 20 mL solution b. Semimicro analysis : 0,05 gram sample
per1 mL solution c. Micro analysis: 5 mg sampel per 0,1 mL
solution
Slide 3
Li + Na + Cu 2+ 1. Flame Test
Slide 4
How to do? - Immerse the cleaned platinuum/ nichrom wire into
HCL concentrate. - Put into the bunsen flame (in the oxidation
flame) - Do the 2 step 2x - Immerse the cleaned platinuum/ nichrom
wire into HCL concentrate. - Touched into the sample - Put into the
bunsen flame - Observe the flame color
Slide 5
Flame colorFlame color (Cobalt glass) Cations yellow
Purple/orange Red-yell/ orange Dark red Green-yellow Bloody red
Turquois blu Orange Yellow-red colorless Dark red Light green
purple Green-blue Dark red Na K Ca Sr Ba Li Zn Cr Co
Slide 6
SPOT TEST ANALYSIS Ca(II) : + (NH4)CO3 + C 2 O 4 2-