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How to use a Surface test for drug residue

A drug residue test will help you identify a suspect pill or powder found in your bedroom, bathroom, office, or automobile. Whether it’s a pill or powder you can analyze it using the very latest in forensic drug testing technology using a surface test for drug residue.

In many cases, suspicion starts when you notice unusual behavior with a family member or notice drugs from the medicine cabinet go missing. For a parent, it’s more like intuition; you know there’s something wrong but can’t pinpoint what it is.

Let me explain the basics. You find a suspect pill in your son’s bedroom, or you find the remains of some powder in the office bathroom whether it’s a pill or powder you can analyze it using the very latest in forensic drug testing technology using a surface test.

Surface test for drug residue

Surface test for drug residue

A substance test for detecting unknown drugs comprises a chemical that reacts with the analysis paper; This applies to the Mistral Securities products and is called a PenTest.

Mistral products can detect most major drugs with only two steps. When you don’t know what you are looking for Mistral advises that you use two products, for example, D4D for screening and C&H for identification.

Surface test for drug residue

How does a surface test for drug residue work

Trace detection and substance identification. These products are designed to identify controlled substances on the DEA’s four substance controlled schedule. Designed to test powders, plant material, tablets, and capsules.

They use a colorimetric wet chemistry technology to determine what narcotic is discovered.

How to use the surface test

For most drug types the surface test for drug residue requires no more than a pinch of powder to do the analysis. Follow the instructions below after finding the suspect substance.

Remove the pen from the pouch. Squeeze the center of the pen to break the internal glass separator. Then shake the pen for thirty seconds to thoroughly to mix the chemicals.

Surface test for drug residue

Partly remove the backing to the analysis paper and rub over the suspect powder. Remove the top to the pen and drop a small amount of liquid on to the analysis paper.

Surface test for drug residue

How to interpret and understand the analysis

A reaction between the chemical, paper, and unknown substance takes place to produce a color. Compare the color to the color table in the instructions.

Surface test for drug residue

What if there is no reaction

When testing for an unknown substance, you have to understand that you are, in essence, shooting in the dark. The material you are analyzing could be anything from flour to an aspirin. Or it could be a substance that cannot be detected by these products. They are not a panacea for all.

Surface test for drug residue
This is an example of a reaction for the drug Cocaine.


A surface test for drug residue is the most cost-effective way to discover an unknown controlled drug. The results are quick, and in many cases, it’s possible to identify which drug it is positively. We recommend that you use the D4D screening product first followed by C&H, COCO, or Herosol. A combination of these products will help detect and identify most controlled substances.

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Drug Testing for Unknown Substances at Home or in the Workplace.

Drug Testing for Unknown Substances

Illicit substance abuse

Parents are becoming more and more concerned about their family using and abusing illegal substances. Parents are noticing changes in their teen’s behavior and habits and wonder why. The wide availability of ‘street drugs’ and peer pressure makes it tempting to experience their effects. The potency and the mixing of one drug with another (called a cocktail) are causing severe health problems, addiction, and even death. What do parents do?

The solution to fixing the problem

Drug abuse in the family is becoming more common. By using a surface drug test, parents can detect many unknown substances, including narcotics, and many street drugs and positively identify them.

The technology for Drug Testing for Unknown Substances has been around for a while; it’s only recently that they have been available to the individual. Homeland Security, Airports, DEA, and Police Enforcement, have been using these products for over twenty years to identify unknown powder and pills.

Now there is a solution for the Home or Office; A test that identifies many different illicit narcotics. ‘BuyaDrugTest‘ has been using these products for many years with great success and decided to make them available to anyone who needs to detect and identify an unknown substance.

Drug testing for unknown substances

The task of detecting drug residue is a simple one and can be achieved without professional help or experience. These products are called ‘surface drug tests’ and can analyze small amounts of powder, pills, or liquid and give an almost instant result.

The most popular product is manufactured by Mistral Security; They developed a technology called ‘wet chemistry.’ In simple terms, a small sample of liquid is applied to a specially treated paper; the test paper instantly changes color and identifies the substance.

Drug testing for unknown substances
This is the D4D kit which includes a pen containing a liquid chemical, two test papers, and instructions.
Here are kits that detect Cocaine, LSD, Heroin, LSD, and Methamphetamine.

One application for drug testing for unknown substances is to test a surface where you see trace amounts of powder. Other forms are where you find a pill and want to know what it is. A liquid can also be tested by applying the test paper directly to the liquid.

Significant benefits of using surface drug test kits:

  • As an unknown substance investigative tool
  • It does not destroy evidence
  • The results are quick
  • Portability makes them suitable for use in the field, the Office or at Home
  • They are very easy-to-use and interpret
  • They help determine if a drug is positive for unknown or suspect material

Markets that use these products:

  • Law enforcement
  • Military
  • Security agencies
  • Corporate HR departments
  • Private residences
  • Schools, Colleges, Universities.

Surface test kits for drug testing for unknown substances