TESTS 1501 



TABLE OF TESTS.— Continued. 



TESTS 



Name. 



Use. 



Reagents. 



Reaction. 



Application. 



Remarks. 



trove's test. 



Hydrogen dioxid. 



(a) Alkaline sol. lith- Blue color, 

 arge. (b) Dilute sol. 

 lead subacetate. 



Add a and b, and test 

 with potass.-iodid 

 starch- paste and 

 acetic acid. 



tuart's test. 



Alcohol in essen- 

 tial oils. 



(a) Compound tine- Formation of iodo- 

 ture of iodin. (b) form 

 Sol. potassium hy- > 

 drate. 



Distil off the alcohol ; 

 add a and b. 



tutz's test. 



Albumin in urine. | See Furbringer' s test. 



ulphocyanid-test. Hydrocyanic acid See Liebig's test. 

 I in tissues. 



jlzer's test. Alcohol in essen- 



I tial oils. 



See Salzer's test. 



ranberg's test. Phosphoric acid. 



Sol. ammonium Yellow precipitate. Add R. in excess, 

 molybdate. 



Syntonin. 



Anv alkali. 



Precipitate. 



Neutralize the acid 

 sol. with R. 



mret's 

 assin 



Albumin in urine. 



Mercuric chlorid 1.35; 

 potass, iodid 3.32 ; 

 glacial acetic acid 

 20 ; water to 1000. 



White precipitate. 



Add R. to urine. If 

 precipitate occurs, j 

 boil to dissolve pep- ] 

 tones, alkaloids, and 

 urates, which R. also 

 precipitates. 



Very delicate. Mu- 

 cus in excess is 

 precipitated and 

 not dissolved by 

 heat. 



i n a r i and 

 Piazza's test. 



Nitric acid. 



(a) Potassium hydrate. 

 (b) Zinc dust. 



Formation of am- Add a and b. 

 monia. 



ittersall's test. 



Cobalt. 



(a) Sol. potassium cy- 

 anid. (b) Ammo- 

 nium sulphid. 



Blood-red color. 



Add a till ppt. is redis- 

 solved ; then b. 



sail's test. 



Codein. 



(a) Sulphuric acid, (b) 

 Sodium arseniate. 

 (c) Sodium hydrate. 



' ttersall's test. 



sail's test. 



Delphinin. 



(a) Malic acid, (b) Sul- 

 phuric acid. 



Morphin. 



Dark -blue. On Dissolve in a ; add b ; 

 addition of water heat, 

 and excess c \ 

 turns orange. 



Orange color, 

 turning pink, 

 then violet. 



(a) Sulphuric acid, (b) Dirty-violet, be- 

 Sodium arseniate. i coming sea-green. 



Rub with a, then with 

 a few drops b. 



Dissolve in a ,- add b. 



sail's test. 



Papaverin. 



(a) Sulphuric acid. (6) Red to violet; 

 Sodium arseniate. black on addi- 

 (c) Sodium hydrate. ! t i o n of water 

 and excess c. 



Dissolve in a; add b. 



nn's test. ! Blood. 



(a) Glacial acetic acid. 

 (b) Sodium chlorid. 



Hemin-crystals. 



Dissolve blood in 2 to 

 3 c.c. water : add a, 

 and 0.01 b. Spread 

 on slide, let evapo- 

 rate ; examine under 

 microscope. 



nn - N e u- Blood, 

 lann's test. 



See Teichmann's test. 



Teill's test. 



Cellulose. 



(a) Potass, iodid, 1 per I Blue color, 

 cent. sol. (b) Sul- 

 phuric acid. 



Dip into a, then into 

 b ; rinse in water. 



Iodin in presence 

 of tannin. 



Tincture of ferric 

 chlorid. 



Blue color. 



Liberate by adding 

 R. ; test with starch- 

 paper. 



mas' test. 



I 



Strychnin in the 

 presence of mor- 

 phin. 



Potassium hydrate After separation, ap- 

 dissolves mor- ply customary tests. . { 

 p h i n ; chloro- 

 form, strychnin. 



n's test. Thein. 



Hypochlorous acid Blood-red residue. Pass R. through sol. 

 (euchlorin). and evaporate. 



ison's test. i Iodin. 



rraahlen'stest. Melanin 



^ 



(a) Chlorin. (b) Starch- Blue color, 

 paste. 



(a) Sol. sodium nitro- Deep-blue color, 

 prussid. (b) Sol. ] 

 potass, hydrate, (c) 

 Acetic acid. 



Pass a through s o 1 u- 

 tion ; test with b. 



Add a, b, c. 



