Foreign species

Tolerance level*/(mol L⁻¹)

Cu^2+, Ca²⁺, Mg²⁺, Cd²⁺, Fe³⁺, Zn²⁺,

Na⁺ and K⁺,

Uric acid,

Glucose, sucrose, starch, gelatin and lactose,

hypromellose, hydroxypropyl methylcellulose acetate succinate

and sodium lauryl sulfate

8.0 × 10⁻³

1.0 × 10⁻²

5.0 × 10⁻⁴

1.0 × 10⁻²

2.0 × 10⁻³