Radiochemical Methods

Question 1

Measuring radioactivity or radiation emitted from sample after it has been irradiated of charged particles such as H, deuterium, He ions.

Answer 1

Activation Methods

Question 2

Activation method for the analytes that is a non-naturally radioactive to induce radioactivity.

Answer 2

Neutron Activation

Question 3

Used to determine the elemental composition of a sample by measuring the radiation after NEUTRON irradiation.

Answer 3

Neutron Activation Analysis (NAA)

Question 4

NAA uses ______ for quantification

Answer 4

External Standard Addition

Question 5

Also known as GOLD STANDARD

Answer 5

Isotope Dilution

Question 6

This can measure trace elements in complex sample by adding known amount of isotopically labelled version of target element called TRACER

Answer 6

Isotope Dilution

Question 7

Steps involving Isotope Dilution

Answer 7

1. Addition of Tracer
2. Homogenization (Mixing)
3. Isolation of analyte
4. Measurement of activity
5. Calculation