Table 5 A summary of buffers and other chemical systems used to control the pH in glass dissolution tests.

Potassium hydrogen phthalate (C₈H₅KO₄)/HCl

2.2–4.0

Interference from K; may participate in ion exchange

⁵⁷

HNO₃/NH₄OH

4.5–5.5

N/A

⁷¹

Sodium acetate (C₂H₃NaO₂)/acetic acid (C₂H₄O₂)

3.7–5.6

Interference from sodium

⁹⁹

H₃BO₃/LiOH

8–10

Interference from boron and ion exchange with alkali elements (Li)

^57,66

TRIS buffer (C₄H₁₁NO₃)

7–9

May complex with boron

^215,216

KOH/KCl

9–11

May participate in ion-exchange reactions with alkali elements

^37,61,217

LiOH/LiCl

9–11

May participate in ion-exchange reactions with alkali elements

^71,218