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Why HK
Tests
How it works
Verify
Quality
FAQ

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Tell us the products and the tests you need. We reply by email with a quote and shipping instructions.

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Samples

One sample per product.

Sample 01

Peptide (required)

Product name

As on the label. For a blend, list the peptides.

Tests (required)

The standard test is ticked. Add others if you need them.

standard test

Identity LC-MS ppm ↗ About Identity (LC-MS) (opens in a new tab)

Purity HPLC-UV % area ↗ About Purity (HPLC) (opens in a new tab)

Content per vial mg per vial ↗ About Content per vial (mg) (opens in a new tab)

special identity

Blind GLP-1 identification LC-MS label withheld ↗ About Blind GLP-1 identification (opens in a new tab)

safety

Endotoxin LAL EU/mg ↗ About Endotoxin (LAL) (opens in a new tab)

Sterility USP <71> 14 days ↗ About Sterility (USP <71>, 14 days) (opens in a new tab)

Residual solvents named solvents ↗ About Residual solvents (opens in a new tab)

composition

Counter-ion TFA · acetate ↗ About Counter-ion (TFA, acetate) (opens in a new tab)

Water content Karl Fischer % of the powder ↗ About Water content (Karl Fischer) (opens in a new tab)

batch

Vial-to-vial consistency n vials · RSD ↗ About Vial-to-vial consistency (opens in a new tab)

More than one product? List the others in the message.

Up to 20 samples per request.

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Optional. For example the number of vials, lot numbers or a deadline.

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your reference

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01 We check your request.
02 You get a quote and shipping instructions by email.
03 You accept and send the samples.

A question about it? Write to contact@hkanalytical.com and give your reference.

What happens next

Request

Tell us the products and the tests you need.
Quote

We reply by email with a quote and shipping instructions.
Samples

You accept the quote and send the samples.
Report

Results within days of receipt. Each report is signed and can be verified online.

Questions? contact@hkanalytical.com

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