An unknown white powder was located at a crime scene. Describe an analytical scheme to identify the drug or drugs that may be present in the powder. Put steps in the proper order, and for each step, indicate whether it is a screening or confirmatory test, and note why it should be used.
Report writing requirements:
Format your text consistently throughout the document, taking care to cite correctly the works used.
Cite at least two sources other than the textbook.
When used as a source, the textbook cannot be quoted or cited for more than 25% of the number of words in the document.
Wikipedia cannot be a cited source.