CERTIFICATE OF ANALYSIS
Certificate of Analysis
ZEEL PRODUCT
Brand: ZEELCHEM® • Specialty Chemical Manufacturer
ISO 9001:2015 | ISO 14001:2015 Certified Quality Management System
A-23, Reva Duplex, Ankhol, Waghodia Road, Vadodara, Gujarat, India. • Email: [email protected]
CERTIFICATE OF ANALYSIS
OFFICIAL QUALITY CONTROL LABORATORY TEST REPORT • B2B AUDIT READY
Product Name:HEDP 60% Etidronic Acid
Trade Name / Code:ZEELCHEM® 101
CAS Registry No.:2809-21-4
Grade:Industrial Water Treatment Grade
Batch / Lot Number:ZC-2026-0844
Date of Manufacture:August 2026
Expiry Date:August 2027
Inspection Standard:ISO 9001:2015 QC Spec
| S.No. | Test Parameter | Standard Specification | Observed Result | Testing Method | Status |
|---|---|---|---|---|---|
| 1 | Appearance | Clear, colorless to pale yellow liquid | Passes | Visual | ✓ PASS |
| 2 | Active Content (%) | 58.0% - 62.0% | 60.2% | Titration | ✓ PASS |
| 3 | Phosphorous Acid (%) | 2.0% Max | 1.4% | IC | ✓ PASS |
| 4 | pH (1% Solution) | 2.0 Max | 1.6 | pH Meter | ✓ PASS |
| 5 | Density (g/cm³ @ 20°C) | 1.43 - 1.47 | 1.45 | Hydrometer | ✓ PASS |
| 6 | Iron Content (ppm) | 10 ppm Max | 4 ppm | AAS | ✓ PASS |
✓ Official Quality Release & Compliance Certification:
This Certificate of Analysis verifies that the sampled batch of HEDP 60% Etidronic Acid (ZEELCHEM® 101) has been thoroughly tested by ZEEL PRODUCT Quality Control Division. All analytical parameters comply 100% with prescribed standard specifications. THE MATERIAL IS APPROVED AND RELEASED FOR DISPATCH.
This Certificate of Analysis verifies that the sampled batch of HEDP 60% Etidronic Acid (ZEELCHEM® 101) has been thoroughly tested by ZEEL PRODUCT Quality Control Division. All analytical parameters comply 100% with prescribed standard specifications. THE MATERIAL IS APPROVED AND RELEASED FOR DISPATCH.
QC Chemist
Tested & Analyzed By
Quality Control Lab Division
QA Manager
Authorized Signatory
Quality Assurance Manager • ISO 9001:2015