

TESTS 1483 



TABLE OF TESTS.— Continued. 



TESTS 



ttner's test. 



Hydrocyanic acid . (a) Dil. sol. potass, hy- Blue or green 



in tissues. drate. (b) Sol. fer- 1 color; flocculent, 



rous sulphate (which dark-blue ppt. 



has become yellow | 



by exposure to air). 



(cj Hydrochloric acid 



Render liquid alkaline Large quantities, 

 with a ; add a few immediate, blue 

 drops b, agitate, and ] 

 let stand 10 minutes, j 

 Xow add c in slight 1 

 excess; warm! 

 slightly. Allow to 

 stand several hours j 

 if necessarv. 



color and precip- 

 itate. Delicacy 

 1 : 50,000. 



iflFe's test. | Indigo in urine. (a) Hydrochloric acid. Blue color. 



(b) Sat. sol. calcium 

 hypochlorite (bleach- 

 ing p o w d e r). (c) 

 Chloroform. 



Mix equal parts urine- Albumin must first 



and a ; add a few 

 drops b until maxi- 

 mum color appears. 

 Agitate with c : eva- 

 porate c extract, and 

 weigh to get ap- 

 proximate quantity. 



be removed. 



life's test. 



; Kreatinin. 



(a) Sol. of picric acid. Intense red color. 

 (*) Sodium hydrate. 



Add a and a f e w 

 drops of b. 



onjaksch's test. 



Bilirubin in blood. 



Yellow froth. 



Abstract some blood Serum becomes 



with cupping-glass ; 

 place in a test-tube 

 in refrigerator ; after 

 coagulation, with- 

 draw serum into 

 an other test-tube ; 

 shake. 



green if placeo. 

 in a warm cham- 

 ber three or four 

 hours. 



