Starting materials

Formula

Contents

Manufacturer

EDTA (Ethylene-diamine-tetra-acetic) acid

C₁₀H₁₆N₂O₈

98.5%

Sigma-Aldrich

Lithium nitrate

LiNO₃

99.99%

Alfa Aesar

Aluminum nitrate

Al(NO₃)₃ × 9H₂O

99.99%

Sigma-Aldrich

Citric acid

C₆H₈O₇

99.5%

Sigma-Aldrich

Ammonium-hydroxide solution

NH₄OH

28%

Sigma-Aldrich

Deionized water

Vietnam