OFFICIAL HOKLAS & ISO/IEC 17025 REGISTRY
Certificate of Analysis (COA) Verification
Enter your Zenith Certificate Serial Number or Accession Code to verify authenticity, review high-resolution HPLC chromatograms and LC-MS mass spectra, and download certified laboratory documents.
Sample Queries:
Cryptographic Verification
Every Zenith Certificate of Analysis carries a tamper-evident digital signature registered in our immutable database at Hong Kong Science Park.
Full Raw Chromatograms
Gain complete visibility into calibrated HPLC peak area integration, UV absorption spectra, and LC-MS molecular weight deconvolution.
HOKLAS & ISO 17025 Accredited
All testing protocols comply strictly with ISO/IEC 17025 and ISO 15189 international standard laboratory quality guidelines.