The One Step urine adulterant test strip is a semi-quantitative, color comparison screen for the detection of creatinine, nitrite, glutaraldehyde, pH, specific gravity, bleach and oxidants/pyridinium chlorochromate in human urine.
The test is intended as a point of testing adulterant pre-screen test of urine samples prior to further testing.
Price: From UK£ 8.99
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The principles of the 7-pad urine adulteration test trips are dependent upon the chemical reactions that take place between the reagents in the test pads and the components of the urine sample, including normal urine constituents, and urine adulterants. The colored results from the test strip must be compared to the color chart on the packaging.
The 7-pad urine adulteration test is an easy and efficient test for dilution and adulteration of urine samples. The test strips are fast to operate and provide clear visual qualitative results. Its should be an essential part of drug screening test and needs to be performed prior to the actual drug test.
Creatinine: This assay tests the urine sample for possible dilution. This reaction takes place in an alkaline medium between creatinine and a creatinine indicator to form a purple-brown color complex. The color intensity of the test pad is directly dependent on the concentration of creatinine in the urine.
Nitrite: This assay tests the urine sample for the presence of uncommon amounts of nitrite. The results are determined by a series of reactions, where nitrite must first react with an aromatic amine to produce a diazonium salt. Then, diazonium salt will couple with an indicator to form a pink-dark red color complex. The color intensity of the test pad is directly affected by the concentration of nitrite in the sample.
Glutaraldehyde: This assay tests for the presence of uncommon amounts of aldehyde. This reaction takes place between the aldehyde and an indicator to generate a color complex.
pH: This assay test for the presence of acidic or alkaline adulterants, and is established from the double pH indicator method to distinguish different pH levels with a large range of colors.
Specific Gravity: This assay tests for the possibility of possible dilution. In this test the indicator changes color according to the pKa of certain pretreated polyelectrolytes, which is related to the ionic concentration. In a urine sample of low ionic concentration the colors range dark blue to green, and at a higher ionic concentration the colors will range from green to yellow.
Bleach: This assay test for the possible presence of bleach in the urine sample. This reaction occurs between bleach and its indicator. The presence of bleach will turn the test pad into a blue-green color complex.
Pyridinium Chlorochromate/ Oxidants: This assay test for the possible presence of chromate in urine. This reaction is between pyridinium chlorochromate chromate and its indicator. The presence of chromate will turn the test pad into a blue-green color complex.
Remove the exact amount of test strips needed and immediately recap the container.
Mix the urine thoroughly; dip the teststrip into the urine sample. Make sure all the test pads are immersed in the urine, then immediately remove the test strip to avoid the dissolving of the test pads.
Blot the test strip on a paper towel by gently tapping the strip on its side. This process can provide more consistent results.
Read by comparing to the color chart on the packaging. The results are to be read from 1-2 minutes; results past 2 minutes should be disregarded.
This drug test will test for all the common drugs misused used in the UK.
ALL OPIATES (including Heroin and Morphine) COCAINE (including Crack and Coke) ECSTASY (including E’S and Methamphetamines) SPEED (including Whizz and all Amphetamines) PHENCYCLIDINE (including AngelDust)
ALL MARIJUANA (including Cannabis and Skunk)
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