Standard impurity solution: Dilute 10.0 mL of solution B to
25.0 mL with diluent.
Spike 150%: Dilute 6.0 mL of solution B and 1.0 mL of
solution A to 10.0 mL with diluent.
Spike 125%: Dilute 5.0 mL of solution B and 1.0 mL of
solution A to 10.0 mL with diluent.
Spike 100%: Dilute 10.0 mL of solution B and 2.5 mL of
solution A to 25.0 mL with diluent.
Spike 75%: Dilute 15.0 mL of solution B and 5.0 mL of
solution A to 50.0 mL with diluent.
Spike 50%: Dilute 10.0 mL of solution B and 5.0 mL of
solution A to 50.0 mL with diluent.