TESTS.— Continued

Reaction. Reagents. Use. Application. Andreasch's test. Iron (a) Ammonia, (b) Sul- Dark purplish-red, pho glycolic acid. soon fading, but shaking with Anstie's test. j Alcohol in urine. Pota ium bichromate I, sulphuric i, strong sulphuric acid 300.. Antipyrin in urine, I See etc. Ferric-chlorid air. eaeenon rest or I Emerald-gr color. Remarks. Add a arid 6 to liquid, To R. add urine, drop i Reaction signifies by drop. j presence of toxic amount of alcohol. test. Add R. to solution. usten and Cham- Nitric acid. berlain's test. Ammonio-sulphate of iron 200, water 1000, sulphuric acid 20. Rose-red color, Vutenrieth Phenacetin. Nitric acid. Yellow substance,. To finely powdered. Antipyrin and ace crystallizing out phenacetin add 10 to I tanilid do not to boiling. in needles. 12 per cent. R.; heat ' respond, Albumin (a) Formic acid. Rose or purple Sol.. j color. Acidulate with a; add a few drops b. Add R. to the liquid, and Hinsberg's test. z Vxenfeld's test. in urine. Red to reddish brown, turning into dirty-green. Not reliable, eier's test. Alkalies. Sol. of tannin. s test. ' Eosin. (a) Sodium-amalgam. Opaque green Shake substance with 1 Sol. of pota .. color in reflected water and a, heating ' permanganate. light. gently; dilute with water; add drop of b. Wiley's test. Nitric acid Cyanhydrargyrate of Crystal of R. turns pota , iodid (one black; red in equivalent each me rother acids, curie c y a n i d and pota , iodid). •ailey's test. Sulphur (a) Sodium carbonate. (b) Sol. sodium nitro- ' arbsche's test. Glycerin pru id. (a) Water 20 vol., carbolic acid one drop. (A) Sol. ferric chlorid. areswils' test. Glucose. Pota , hydrate 60, pota , tartrate 40, water 200. Mix with copper sulphate 65, water 500. Red precipitate. Boil liquid with R. arford's test. Glucose. Sol. neutral copper acetate 200, 38 per cent, acetic acid 5. Red precipitate. Add a few drops R. to liquid and boil. arium-chlorid Ether sulphuric (a) Sol. barium chloracids in urine. id. (b) Hydrochloric acid. Ppt. of barium sulphate. Add arium test. -chlorid Sulphates in urine, Barium chlorid nitrate. (or White precipitate, Acidulate urine; add b. irry's test. Hydrocyanic acid. (a) Acetic acid. Silver nitrate. (b) Cloudine . Two or three drops of sol acidified with a, in watch-gla . Cover with another Bile-pigment. (a) Chloroform. Nitric acid. Play of colors, finally ruby-red.