Viewing desktop version: Switch to Mobile
Tan Residue
Sold as: Heroin
ID: 12919
Result Photo Detail Photo
GC/MS Graph
Detail Photo
GC/MS Graph
Detail Photo
ID: 12919
Name: Tan Residue
Other Names:
UniqueCode:More infoUnique Lookup Code is an alphanumeric string created by the submitter and included with the sample so anonymously submitted samples can be positively identified as the submitter's sample. AC2022B0293
Marquis:More infoThe Marquis Test is a reagent field test conducted by placing a drop of reagent liquid onto a small sample of the material being tested. The chemicals in the reagent react differently with different chemicals, turning a variety of colors based on the what is in the material being tested. Unknown
Mecke:More infoAs with the Marquis Test, The Mecke Test is a reagent field test conducted by placing a drop of liquid reagent onto a sample of the material in question. Mecke reagent is primarily used for the identification of heroin and other opiates. Unknown
Mandelin:More infoThe Mandelin Test is a reagent field test conducted by placing a drop of liquid reagent onto a sample of the material in question. Mandelin is primarily used for the detection of ketamine and PMA. It is a mixture of ammonium metavanadate and concentrated sulfuric acid. Unknown
Fentanyl Test Strip (FTS): Positive
GC/MS:More infoThe GC/MS Lab Test  
Test Date: May 20, 2022
Pub. Date: May 20, 2022
Src Location: Revere, MA
Submitter Loc: Revere, MA
United States
Color: Brown
Size: 1 mg
Data Source: DrugsData
Tested by: DDL
Lab's ID: 22040238
Sample contains multiple unidentified chemicals.
Sold as: Heroin
Expected to be: Heroin
Has Been Tried: Yes
Lab comments:
Unidentified Substance #1: 30 parts

Unidentified Substance #2: 20 parts
Tan residue in cooker. Submitter describes this as ''brown paste''.
''Felt like heroin not fentanyl''
Unidentifed Substances
This sample contains an unidentified chemical. We do not have a matching substance in our lab's internal database and have not yet been able to identify the chemical(s).

We need the help of outside expert analytical chemists and drug geeks to determine what substance matches the mass spectrum (MS) fingerprint. The lab's GC/MS graphs can be viewed by clicking on the thumbnails on this page.

Please use our contact form and include the DrugsData ID (12919) or this URL along with any communications.