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DESCRIPTION OF THE TEST UNIT Individual test units consist of a flexible plastic tube in which a crushable glass ampoule(s) has been sealed. Most ampoules contain 0.5 ml of reagent. Reagents #1, 2, 3, 6, & 26 each have one ampoule. Reagents #4, 5, 7, 8, 9, 13, 14, 23, 24, 25, & 27 have a second ampoule in the cap. Care should be exercised in removing and replacing the cap to make sure the ampoule is not broken. TESTING AN UNKNOWN MATERIAL Testing an unknown is simple. It is important to thoroughly read the following procedure to familiarize oneself with all steps and operations. The following protocol applies to all materials tested. Refer to the Individual Test Instructions section for greater detail. QUANTITY OF SAMPLE NEEDED Only a small quantity of suspect material is required to obtain a presumptive identification. A standard flat, wooden toothpick makes an inexpensive and easily obtained sampling device. Mark the broader end at a point 3/16 of an inch from the end. The suspect material can then be picked up to this point on the toothpick. This usually will provide between one (1) and three (3) milligrams for use as a sample. Fluffy drugs like cocaine HCl require a larger sample size. Familiarity with the testing procedure will eventually make it easier to judge the proper amount of sample needed. A pen knife or similar item may be used in place of the toothpick. Care should be taken to ensure that any measuring device is clean and free of contaminating material from previous tests. PREPARATION OF SUSPECT MATERIAL ALWAYS RETAIN SUFFICIENT SAMPLE OF SUSPECT MATERIAL FOR EVIDENTIAL ANALYSIS BY THE FORENSIC LABORATORY OR TOXICOLOGIST.
A great deal of effort has gone into the preparation of the charts and color comparisons; however, colors described or printed are, at best, relative. Responses will be affected by purity and/or size of the sample, lighting conditions, temperature, how well the sample has been mixed with the reagent and a number of other factors. Only if the FULL TESTING SEQUENCE is followed, and common sense applied to reading color responses, will the results be conclusive. HOW TO USE THE SEQUENTIAL TEST CHARTS
DISPOSAL OF TEST UNITS After color comparisons have been obtained and recorded, promptly dispose of the used test unit in a safe place. DO NOT STORE USED TEST UNITS! The contents of the used test may leak resulting in damage to clothing or bodily injury. If no safe disposal place is immediately available, place the used test units in one of the poly bags (part #7610) provided with the kit until such time as they can be safely discarded. DO NOT discard used #7603 units with used units of either #7607 or #7608. - a Review: Do's and Don'ts - Do...
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INDIVIDUAL TEST INSTRUCTIONS PROCEDURE A for 1 ampoule tests (1, 2, 3, 6, & 26): PROCEDURE B for 2 ampoule tests (4, 5, 7, 8, 9, 13, 14, 23, 24, 25, & 27): Reagent 1 Mayer's Reagent (1 ampoule) A test for general narcotic compounds (this test is a prerequisite for all other tests, see the chart selector on the front side). (Use procedure A) The formation of a white to cream-colored gelatinous precipitate is indicative of the presence of one of the general narcotic compounds (or the amphetamines). Proceed to Test #2 (Marquis Reagent), a test for the opiates. If no precipitate is formed, proceed to Test #5 (Dille-Koppanyi Reagent), a test for barbiturates. Reagent 2 Marquis Reagent (1 ampoule) A test for opiates and amphetamine type compounds. (Use procedure A) Color responses: Violet to reddish-purple is indicative of the opiates. Proceed to Test #24 Mecke's for confirming heroin or #3 (nitric acid) to differentiate between heroin and morphine. An orange to red to brown sequence within 12 seconds may indicate the presence of an amphetamine. Brown may indicate demerol. Red may indicate the presence of mescaline. Reagent 3 Nitric Acid (1 ampoule) This reagent is NOT a primary test. It is used to differentiate heroin from morphine and to confirm the identity of other suspect materials. (Use procedure A) Observe the color changes that take place. Colors: a. Yellow: heroin; b. Red to orange fading rapidly to yellow: morphine. Reagent 4 Cobalt Thiocyanate (2 ampoules) a test for cocaine HCI, procaine, dibucaine, and tetracaine. (Use procedure B) Observe the color formation after breaking the bottom ampoule. All of the above-named substances will produce an intense, brilliant blue, flaky precipitate. After breaking the cap ampoule: blue flakes remaining undissolved is indicative of cocaine. Blue flakes partially dissolved in the second solution is indicative of dibucaine. Blue flakes completely dissolved in the second solution is indicative of procaine or tetracaine. Reagent 5 Dille-Koppanyl Reagent (2 ampoules) a test for barbiturates. (Use procedure B) A purple or reddish-violet color indicates the presence of a barbiturate. A pale, blue color is a negative response. Reagent 6 Mandelin Reagent (1 ampoule) a confirming test for amphetamines and a presumptive test for Methadone. (Use procedure A) Observe the color changes. Greenish-brown changing to olive-green is indicative of the presence of DL- or D-amphetamines, such as benzedrine, dexedrine, obsedrin, etc. Olive-green changing to grey-green is indicative of methedrine (speed). Methadone turns an immediate deep blue. A brown color with a bluish tinge is indicative of an opiate. Reagent 7 Modified Ehrlich's Reagent (2 ampoules) a test for hallucinogens. Note: since the active ingredient in hallucinogens may be present in very small quantities, a larger sample may be necessary to produce a color response that can be compared easily. (Use procedure B) Colors: a. A slowly-developing (30-60 seconds) purple color is indicative of the presence of LSD or other ergot alkaloids. b. A wine pink color indicates the presence of DMT or DET. Reagent 8 Duquenois Reagent (2 ampoules) a test for marihuana, hashish, THC and residues of THC in smoking paraphernalia. (Use procedure B) Agitate bottom ampoule one full minute before breaking the cap ampou]e to allow the first reagent to work on the sample. Observe color development. A slowly developing grey-blue color or violet-blue color is indicative of marihuana or its active ingredient. NOTE: ALL PLANT MATERIAL and oils should be tested with Duquenois and if a positive result is obtained, confirmed by testing with KN Reagent #7609. Plant material failing to give a positive (blue) response to Duquenois or KN below should be examined by a forensic laboratory since many drugs can be sprayed on plant material other than marihuana (PCP on parsley for example). Reagent 9 KN Reagent (Fast Blue B Salt) (2 ampoules) a test for marihuana, hashish, THC and residues of THC in smoking paraphernalia. (Use procedure B) Mix vigorously for at LEAST 30 seconds. Allow reagents to separate (layer). Observe the color in the bottom layer. Orange-red (reddish brown) to a very dark reddish brown is indicative of the presence of marihuana. hashish, THC and other cannabis products. ANY OTHER COLOR IN THE BOTTOM LAYER IS A NEGATIVE RESPONSE. Reagent 13 Cocaine Reagent - for Cocaine HCl and Cocaine Base (2 ampoules) (Use procedure B) Cocaine HCl and Cocaine Base will produce a flaky, intense blue precipitate in the bottom ampoule. Cocaine HCl and Base precipitates will not redissolve after breaking the cap ampoule. Reagent 14 Methaqualone, PCP Reagent (Use procedure B) This test is used to detect street level concentrations of PCP and as a test for methaqualone (quaalude). Note: other reagents in the sequential charts showing PCP reactions are for reasonably pure PCP. and will not react to "street" grades commonly found. Color should remain pink after breaking the bottom ampoule. Blue color forms with methaqualone or PCP after breaking the cap ampoule. Reagent 23 Sodium Nitroprusside for Methamphetamine (2 ampoules) (Use procedure B) Place a very small amount of suspect material into the tube. An immediate dark blue color indicates the presence of metharnphetamine. Note: a similar reaction may occur with "XTC" (MDMA). Distinquish in Marquis Reagent #2: "XTC" will form a purple/black color while meth is a rapid orange, to red, to brown within 12 seconds. A negative test (no meth present) is salmon colored. Reagent 24 Mecke's (Modified) Reagent A test for Heroin. (2 ampoules) (Use procedure B) Agitate bottom ampoule for 30 seconds disregarding any color generated at this point.* Break cap ampoule and agitate for 5 seconds. Solution turns immediate green in the presence of heroin. Reagent 25 Valium®/Diazepam Clonazepam/Rohypnol® "roofies" (2 ampoules) (Use procedure B) Solution turns from pale violet to purple within sixty seconds. Reagent 26 Talwin® (Pentazocine) (Fröhdes reagent) (1 ampoule) (Use procedure A) Solution turns a bright blue instantly. Talwin is the registered trade name of Winthrop Laboratories. Confirm in Test #6, Talwin turns olive green. Reagent 27 Ephedrine (Modified Chen's) Reagent (2 ampoules) (Use procedure B) No color is formed after the bottom ampoule is broken. Solution turns bright blue instantly on breaking the cap ampoule. Note: the reagent itself when mixed is aqua-blue green. Reagent 28 GHB Reagent (1 ampoule) (Use procedure B) If sample is liquid use two to five drops with supplied disposable pipette. Solution turns green to blue-green in the presence of GHB. Do not store tube after breaking ampoule. Dispose of the pipette properly after use (never reuse).
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