Peak Labs

Research Notes

Evidence-led notes on research peptides: purity and Certificate of Analysis interpretation, third-party testing, cold-chain handling and storage, written for researchers across the UAE and GCC. For research use only.

Peak Labs
buyer guide
08/09/2026 · 1 min read

CoA vs CoC vs TDS: What Each Peptide Document Verifies

A certificate of analysis, a certificate of conformance, and a technical data sheet are not interchangeable. Thi...

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Editorial illustration of peptide purification equipment, chromatography columns and fraction-collection vials in gold and charcoal tones on an ivory background
HPLC
07/09/2026 · 1 min read

Peptide Purification: Preparative HPLC to Ultrafiltration

How research peptides are purified after synthesis: preparative reversed-phase HPLC, ion exchange polishing, and...

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Editorial illustration of a differential scanning calorimetry curve beside a lyophilized peptide vial, symbolizing thermal analysis of freeze-drying
quality
06/09/2026 · 1 min read

Glass Transition and Collapse Temperature in Peptide Lyophilization

How the glass transition temperature (Tg') and collapse temperature of a freeze-concentrated peptide solution sh...

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Editorial illustration of a precision analytical balance with certified calibration weights on an ivory background with gold and charcoal accents
calibration
05/09/2026 · 1 min read

Balance Calibration and Traceability in the Peptide Research Lab

How analytical balance calibration and metrological traceability work, and what to check on a calibration certif...

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Editorial illustration of bound document folders and a brass balance scale representing customs and tax documentation
buyer guide
04/09/2026 · 1 min read

VAT and Customs Duty on UAE Research Peptide Imports

A framework for understanding how VAT and customs duty are assessed on research peptide shipments entering the U...

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Editorial illustration of a temperature data logger beside an insulated cold-chain shipping container
handling
03/09/2026 · 1 min read

Reading Cold-Chain Data Logger Reports for Peptide Shipments

A practical guide to interpreting temperature data logger reports for lyophilised research peptide shipments, in...

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Editorial still life of customs and shipping documents with a magnifying glass, representing HS code classification for research peptide imports
buyer guide
02/09/2026 · 1 min read

HS Codes and Customs Classification for UAE Peptide Imports

A practical guide to how UAE customs classifies research peptide shipments under the Harmonized System, and why ...

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Peak Labs
COA
01/09/2026 · 1 min read

COA Red Flags: How to Spot a Fabricated Certificate of Analysis

How to recognize a fabricated or altered peptide Certificate of Analysis, and the practical steps a research lab...

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An open insulated shipping case with frosted amber glass vials and a folded document, warm gold studio lighting
Buying Guides
01/09/2026 · 1 min read

Free Zone vs Mainland Import Pathways for Research Peptide Shipments Into the UAE

A comparison of how free zone and mainland customs pathways affect documentation, cold-chain continuity, and tra...

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Peak Labs
COA
31/08/2026 · 1 min read

How Retest Dates and Shelf Life Are Set for Research Peptides

How suppliers derive retest dates and shelf life claims for research peptides from stability studies, and what t...

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