AN-T-191
Determination of the silver in silver jewelry alloys according to EN ISO 11427 and GB/T 17832
Tóm tắt
The knowledge of the exact silver content of silver allows used for jewelry is very important to ensure the quality of jewelry. Therefore, the determination procedure is regulated internationally and nationally. A common approach is the titration with potassium bromide after an acidic digestion of the silver using a silver electrode for indication.