Specifications

• Assay (Ph Eur, calculated on dried substance) : 97.0 – 101.0 %
• Identity (IR-spectrum) : passes test
• Identity (wet chemistry) : passes test
• Appearance of solution (80 g/l, water) : not more opalescent than the reference suspension II and not more intense in colour than reference solution B6
• pH-value : 6.0 – 8.0
• Free mercury ions : ≤ 0.70 %
• Diethyl ether : ≤ 5000 ppm
• Ethanol : ≤ 5000 ppm
• Other residual solvents (ICH Q3C) : excluded by the production process