Reagent Reaction Guide
How to Test Cocaine with Mecke Reagent
Mecke reagent provides secondary confirmation for MDMA and helps distinguish between different opioids. It is most useful paired with Marquis as a confirmatory test.
Expected Result
No reaction
Reaction speed: Immediate (under 5 seconds)
ℹ️ No reaction is itself useful information — it rules out substances that DO react with this reagent.
How to Test
- 1Place a small sample (match-head sized) on a clean white ceramic testing plate.
- 2Add 1-2 drops of Mecke reagent to the sample.
- 3Observe the color change within 30 seconds. Note both the initial color and any changes.
- 4Compare your result to the expected color above. Take a photo if you plan to share for verification.
Buy Mecke Reagent
An essential reagent for verifying MDMA and identifying dangerous adulterants like PMA/PMMA.
$20.00~50 tests per bottle
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Other Reagents for Cocaine
A single reagent test is not enough for definitive identification. Consider adding these to your protocol:
All test kits for Cocaine →See how every reagent reacts with every substance on our full color chart.
Full Reaction Chart