Some Micro-chemical Tests — Foe Alkaloids Scienti...

Based on the title provided, you are likely referring to the classic scientific paper by Charles H. Stephenson and C.E. Parker, originally published in 1921. This work is a foundational text in forensic and analytical chemistry, detailing how to identify alkaloids using distinct crystalline reactions under a microscope. Overview of Micro-Chemical Testing

Primarily used as a preliminary screen to confirm the presence of alkaloids before specific identification begins. Procedural Steps for Identification SOME MICRO-CHEMICAL TESTS FOE ALKALOIDS SCIENTI...

They are (the crystals can sometimes be recovered). Based on the title provided, you are likely