Ion Exchange

Question 0

Uses the compounds…..

Answer 0

Chemical properties.

Question 1

Used medically for the…

Answer 1

Separation of haemoglobin compounds from HbAlc

Question 2

Used to soften water by

Answer 2

Cation exchange of sodium ions with magnesium and calcium ions.

Question 3

The SP is an…

Answer 3

Ion exchange resin.

Question 4

One ionic species, the solute, is….

Answer 4

Substituted for another in the SP.

Question 5

Exchange of positive ions is…

Answer 5

Cation exchange.

Question 6

Exchange of negative ions is….

Answer 6

Anion exchange.

Question 7

IEC can analyse any ions, including….

Answer 7

Organic ions.

Question 8

Ions are eluted in order of strength of binding, therefore the….

Answer 8

Weakly bound ions are eluted first.

Question 9

The interactions of ions on the SP depend on differences in….

Answer 9

Charge and charge density of the ion.

Question 10

Can analyse….

Answer 10

Multiple ions.

Question 11

Automated IEC is…

Answer 11

Rapid.

Question 12

Multiple ions elute from IEC, retention times must be compared with…..

Answer 12

Standards which have been ran through the same type of resin.

Question 13

Chemical prep may be needed to…

Answer 13

Separate diff anions and cations.

Question 14

Separates ions in the sample by their exchange….

Answer 14

Of ions on the column.

Question 15

Sulfur dioxide analysis by IEC is more….

Answer 15

Sensitive than titration.

Question 16

Sulfur dioxide analysis: type of column is…

Answer 16

A negative, anion exchange column.

Question 17

Sulfur dioxide analysis: the SP is

Answer 17

HCO 3-

Question 18

Sulfate ions are eluted by addition of more…

Answer 18

HCO3- ions

Question 19

Sulfur dioxide analysis: the concentration of sulfate ions is proportional to the….

Answer 19

Conductivity of the solution and can be measured with a conductivity meter.