| Froehde's reagent | Sodium molybdate 1, in strong sulfuric acid 1000; gives various colour reactions with alkaloids. (05 Mar 2000) |
|---|---|
| Frohn's reagent | Bismuth subnitrate (1.5) and water (20.0) heated to boiling, to which hydrochloric acid (10.0) and potassium iodide (7.0) are added; used to test for alkaloids and for sugar. (05 Mar 2000) |
| Lloyd's reagent | Precipitated aluminum silicate, used in the determination of alkaloids. (05 Mar 2000) |
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