Titration Method (Potentiometric Analysis)
Titration Method is an analytical technique used to determine the silver (Ag) content in alloy samples that contain copper (Cu) and zinc (Zn). This method applies potentiometric titration using an automated titrator, offering reliable and precise quantitative results.
Standard Reference
This method is conducted in accordance with the international standard:
ISO 11427:2024 – Jewellery — Determination of silver in silver jewellery alloys — Volumetric (Potentiometric) method using potassium bromide
Laboratory Accreditation
Bangkok Assay Office Co., Ltd. is accredited under the standard:
TISI ISO/IEC 17025:2017
by the Thai Industrial Standards Institute (TISI)
- Accreditation Number: TESTING 1816
- Scope of Accreditation: No. 25-LB0066
- Silver (Ag) testing range: from 10.10% to 99.96%
All testing is conducted using certified procedures, calibrated instruments, and trained personnel to ensure compliance with international quality and accuracy standards.

