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PuriLab Analytical
COA/BAC-2026-010Verified
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Certificate of Analysis

PuriLab Analytical

Bacteriostatic Water 10 mL

BAC-2026-010Lot ATP-BAC10-002Analyzed October 15, 2026
Bacteriostatic Water 10 mL vial as received

Timeline

Ordered
October 10, 2026
Received
October 14, 2026
Analyzed
October 15, 2026

Sample

Name
Bacteriostatic Water 10 mL
Expected
Benzyl Alcohol (preservative)
Amount
1 vial, aqueous solution, multi-dose 10 mL, sealed

Testing

Client
ATP Creative Labs
Test type
Preservative identity & content determination
Method
HPLC-UV
Content, how much is in it
0.89%w/v
Measured active content
Identity, what it isMatch
Confirmed
Retention-time match vs. same-day reference standard

Chromatogram

HPLC-UV

mAU010020030033.54Retention time (min), 2.85 to 4.3 min3.31
3.31 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 15, 2026

Verification Code

BAC-GGES-VSPL
Verify at purilab.org/verify/BAC-GGES-VSPL

Scan to Verify

BAC-GGES-VSPL

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.

PuriLab Analyticaladmin@purilab.org
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