Drug residue surface detection test for over 35 illicit drugs

Original price was: $31.95.Current price is: $26.95.

Drug residue surface detection is the newest generation of hand-held colorimetric drug detection and identification test kits available on the market today; It’s a fast and accurate way to detect and identify both trace and bulk amounts of over thirty-five illicit drugs. ( Free shipping )

Buy 10 or more10 - 19 $24.26
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Buy 30 or more30 - 99 $20.21
SKU: D4D and C&H Category: Tag:


Drug residue surface detection test

The PenTest multiple drug detection and identification test pack are designed for up to eight tests, detecting over thirty-five drugs of abuse. Its wet chemistry technology will identify trace as well as bulk amounts of unknown narcotics. This unique investigative tool is portable, easy, and fast to use, and safe because there are no acids involved. It’s the perfect tool for identifying unknown drugs in the home, automobiles, and the workplace.

The pack contains two separate products each capable of up to four uses; a D4D test for screening purposes and C&H to confirm substances identified by the D4D analysis. The benefits of using both are you can positively confirm many illicit substances found by the D4D.

** How to use a surface test for drug residue **

Drug residue test links
This chart helps identify how the D4D and C&H PenTests work with each other. (colors are approximate)

Presumptive Drug Tests such as this PenTest pack contain specially designed reagents that produce a series of color reactions to help the user determine if a drug is positive for unknown or suspect material. Only two of these PenTests are required to detect many drugs of abuse, which makes it a cost-effective pack. Each PenTest is capable of at least three tests before disposal.

Drug residue surface detection test

Uses for unknown residue detection

Unknown substance testing is often used if a person believes they have found strange powder residue and would like to identify what it is.

Places where these products are used.

  • Workplaces
  • Schools
  • Homes and rental properties
  • Traffic stops
  • Motor vehicles
  • Airports
  • Distribution facilities
  • Monitoring in correctional facilities.

How does drug residue surface detection work?

Drug residue testing kits use a process of chemical reaction where an unknown drug reacts with the test producing a color reaction, this is called wet-chemistry-based analysis. This process detects many classes of drugs, including prescription medications, illegal drugs, and over-the-counter medications.

Pills, powder or another substance suspected of being a drug is ideally suited for Drug residue detection.

Parents often use drug residue surface detection tests if they find an unknown substance in a strange place, such as their bedroom.  Additionally, parents will sometimes find unknown powder on their loved one’s clothing or pockets and want to know what it is.

Powder Testing

A white powder can indicate many different types of drugs, both illegal and over-the-counter, in addition to supplements.

Pill or Tablet Testing

Pills can either be crushed or if it is a capsule, carefully pull the two halves apart to release the contents.

Liquid Testing

An unknown liquid can be applied directly to the test paper.

Substances detected with this kit include:


  • Buprenorphine
  • Codeine
  • Heroin
  • Hydrocodone
  • Methadone
  • Ecstasy
  • Morphine
  • Opium
  • Oxycodone
  • Propoxyphene
  • Amphetamine
  • Ephedrine
  • Bath salts
  • Methamphetamine
  • Hashish
  • Ketamine
  • LSD
  • Marijuana
  • Mescaline
  • Phencyclidine
  • Synthetic Marijuana
  • Diazepam
  • Flunitrazepam
  • Phenobarbital


  • Buprenorphine
  • Heroin
  • Methadone
  • Opium
  • Oxycodone
  • Cocaine
  • Crack Cocaine
  • Ephedrine
  • Methamphetamine
  • Ecstasy
  • Ketamine
  • LSD
  • Marijuana
  • Mescaline
  • Phencyclidine
  • Methaqualone
  • Phenobarbital

Identification and Symptoms of drugs

Methamphetamine and Crystal Meth are very addictive drugs. They may appear as shiny crystals that look semi-transparent. Ecstasy generally comes in pill form with numbers or letters stamped on it. Most amphetamine-based drug users experience euphoria, increased alertness, excessive talking, feeling of well-being, and decreased appetite.

Cocaine is a crystalline powder resembling baking soda, often called Coke, Coca, Coco, Snow, Charlie, Dust, or Snowflake. Some effects of cocaine use are euphoria, stimulation, insomnia, and loss of appetite.

How to use a drug residue surface detection test;

This is how easy it is to use this kit. Open the D4D multiple drug detection and identification test. Remove the PenTest, test paper, and instruction sheet.


Drug residue test step 1
Step 1. Hold the PenTest upright and squeeze the plastic tube in the middle to break the glass separators inside.
Drug residue test step 2
Step 2. Hold your finger over the pen tip and shake the ampoule for ten seconds to mix the chemicals.
Drug residue test step 3
Step 3. Bend back the paper from the yellow backing to expose the test paper. Do not remove the paper backing.
Drug residue test step 4
Step 4. Bend back halfway then use the exposed paper to swipe the suspect residue,
Drug residue test step 5
Step 5. Swipe the test paper over the suspect area.
Drug residue test step 7
Step 7. Gently squeeze the pen to allow a small drop of liquid to hit the test paper.


Drug residue test step 8
This is an example of what the result may look like.


Once the test paper begins to change color, compare it with the included reference chart (see below).

Drug residue surface detection test
D4D PenTest Instruction sheet

The diagram below shows how the D4D and C&H PenTest work together. After using the D4D, observe a color reaction. If there is no reaction; the test paper will turn a pale yellowish color.  Then use the C&H pentest; the C&H will identify further what the unknown substance might be. The C&H identifies that the drug is either Cocaine, Phenobarbital or Cocaine base depending on the color reaction. The same applies to Methamphetamine. The initial color is yellow. Using the D4D the color changes to a dark purple color. In all cases, refer to the enclosed color references in each pack.

D4d and C&H color chart

After using the D4D PenTest and test paper, the resultant color may produce a ‘No Reaction’ color (above), if this happens then use the C&H PenTest. Follow the same procedure for the D4D test, again comparing the result with the enclosed chart. See below.

C&H drug residue surface detection test
C&H PenTest Instruction sheet.

Once the test paper begins to change color, compare it with the included reference chart above; This is the final stage of testing. If the test paper does not change color, probably the substance found is not on the list of detectable drugs.

There are other kits available for detecting unknown drugs. The diagrams below will help you decide if another pack is more suitable.

Herosol (Screening unknown drugs including Heroin)

drug residue surface detection test
D4D and Herosol matrix. (colors are approximate)

COCA (Screening unknown drugs including Cocaine)

drug residue surface detection test
D4D and COCA matrix. (colors are approximate)

Additional information

Weight2 oz
Dimensions9.5 × 5 × .75 in
D4D PenTest detects:

Buprenorphine, Codeine, Heroin, Hydrocodone, Methadone, Ecstasy, Morphine, Opium, Oxycodone, Propoxyphene, Amphetamine, Ephedrine, Bath-salts, Methamphetamine, Hashish, Ketamine, LSD, Marijuana, Mescaline, Phencyclidine, Synthetic Marijuana, Diazepam, Flunitrazepam, and Phenobarbital.

C&H PenTest identifies:

Buprenorphine, Heroin, Methadone, Opium, Oxycodone, Cocaine, Crack Cocaine, Ephedrine, Methamphetamine, Ecstasy, Ketamine, LSD, Marijuana, Mescaline, Phencyclidine, Methaqualone, and Phenobarbital.


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