COA/BAC-2026-012Verified
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PuriLab Analytical
Bacteriostatic Water 10 mL
BAC-2026-012Lot EXO-BAC10-091Analyzed October 21, 2026

Timeline
Ordered
October 19, 2026
Received
October 21, 2026
Analyzed
October 21, 2026
Sample
Name
Bacteriostatic Water 10 mL
Expected
Benzyl Alcohol (preservative)
Amount
1 vial, aqueous solution, multi-dose 10 mL, sealed
Testing
Client
EXO Aminos
Test type
Preservative identity & content determination, pH
Method
HPLC-UV
Content, how much is in it
0.92%w/v
Label claim: 0.9% w/v
Identity, what it isMatch
Confirmed
Retention-time match vs. same-day reference standard
pH
pH electrode, measured October 21, 2026
5.65
Chromatogram
HPLC-UV
3.33 min, Benzyl Alcohol
Analyst Comments
Clear, colorless aqueous solution, blue-cap multi-dose vial, received sealed.
Analyst Signature
Max Barrett
Lab Director, PuriLab Analytical
Analysis date: October 21, 2026
Verification Code
BAC-3A28-5M9C
Verify at purilab.org/verify/BAC-3A28-5M9C
Scan to Verify
BAC-3A28-5M9C
Results apply solely to the sample as received and are not representative of any larger lot, batch, or production run. Findings are limited to the analytes stated above. PuriLab Analytical is an independent testing laboratory, is not CLIA certified or ISO 17025 accredited, does not sell or distribute any substance, and makes no representation as to the safety, legality, or fitness of any material for any use.
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