Atomic Spec

Question 1

Emission Spectroscopy

Answer 1

Can identify elements present in a sample but does not measure how much is there

Question 2

Atomic absorption spectra

Answer 2

A technique used to identify the presence and concentration of substances

Question 3

What is AAS mainly used for

Answer 3

detecting the concentration of metal ions in solutions

Question 4

Step 1 of AAS

Answer 4

A hollow cathode lamp of the metal being analysed is used

Question 5

Step 2 AAS

Answer 5

sample is vapourised which turns the substance into atoms Light passes through and element will absorb specific wavelenghts of light

Question 6

Step 3 AAS

Answer 6

Particular wavelength is chosen by the monochromater and the intensity of measured by the detector as concentration of element is increased there will be less light