| 摘要 |
<p>The present invention provides a process for the detection of heroin street drug and a differentiation of heroin street drug from other substances that may react to a free base indicator. The present invention also provides a test kit for heroin detection comprising of: a) a lipophilic pH indicator solution, said indicator is characterized by having a distinctive color response to heroin, amphetamine and MDA street drugs containing an organic base and by having another color response to the other street drugs; b) a Marquis reagent wherein by using this reagent the heroin gives a purple color and amphetamine methamphetamine and MDA give an orange color.</p> |
