TESTS 



1495 

 TABLE OF TESTS.— Continued. 



TESTS 



e'stest(Quan- 

 e). 



Glucose in urine. 



Mercuric iodid i8gm., ! Reduction, 

 potass, iodid 25 gm.,J 

 potass, hydrate 80 

 gm., water up to 1000 

 c.c. 



End of reaction ascer- 40 c.c. = o.i342 glu- 

 tained by means of cose, 

 sol. of stannous 

 chlorid, supersatur- 

 ated with sodium 

 hydrate. 



ylic-acid test. 



For salicylic-acid 

 derivatives in 

 urine. 



See Ferric -chlorid 

 test. 



Saliphonic-test. 



Albumin. 



'■ See MacWilliams' 

 test. 



awski's test. 



Carbolic acid. 



(a) Ammonia. (A) Sol. Blue or gTeenish Add *£ volume a and 1:4000. 

 chlorinated lime color. afew drops b; warm. 



(1:20). 



owski's test. 



Cholesterin. ! (a) Chloroform, (b) Blood-red color of Dissolve in a; add 



Sulphuric acid. a ; green fluores- equal volume b. 



i cence with b. 



ski's test. 



H ematoporphy rin. 



(a) Sol. barium hy- In spectroscope 2 

 drate and barium characteristic 

 chlorid. (*) Acid al- bands, 

 cohol (alcohol con- I 

 taining 1 per cent, 

 hydrochloric acid). 



Precipitate urine with 

 a, wash precipitate, 

 and extract with b. 



jSalkowski's test. 



Oxalic acid. 



(a) Calcium hydrate. 



(b) Calcium chlorid. 



(c) Alcohol, (rf) Dil. 

 hydrochloric acid. 

 (e) Ammonium hy- 

 drate. (/) Acetic 

 acid. 



Octahedral crys- 

 tals of calcium 

 oxalate. 



A 1 k a 1 i n i z e 100 c.c. 

 urine with a ; add 

 b, evaporate parti- i 

 ally ; add c ; wash j 

 with c and hot wa- j 

 ter; dissolve in d; 

 add e andy. 



;owski's test. 



kowski's test. 



Potassium 

 urine. 



Sulphurous acid 

 in urine. 



Concent, sol. tartaric Crystals of acid 

 acid. potass, tartrate. 



Evaporate 100-150 c.c. 

 urine to % vol.; fil- 

 ter in the cold ; add 

 R. 



Hydrochloric acid 

 (spec. grav. 1.12). 



Bluish or yellow- 

 ish-white ppt. on 

 upper portion of 

 cooling tube. 



Distil 100 c.c. urine 

 and 10 c.c. R. to }$ 

 or % vol. 



Xanthin, paraxan- 

 thin, heteroxan- 

 thin. 



Salzer's test. 



Alcohol in essen- 

 tial oils. 



Sodium or potass, hy- R. precipitates 

 drate. paraxanthin and 



heteroxanthin. 



Paraxanthin — 

 right-angled 

 planes and 

 prisms. Hetero- 

 xanthin — acute- 

 angled or obtuse- 

 angled, often 

 double, crystals. 



Fuchsin. 



Alcohol evapo- 

 rates first and 

 dissolves R. 



Dust R. on upper part 

 of inside of a test- 

 tube ; drop oil on 

 bottom without 

 touching sides of 

 tube ; heat. 



Khaal"s test. 



V's test. 



Acidimetry, alka- 

 limetry- 



Alizarin. 



Acids color it yel- 

 low ; alkalies 

 rose-red. 



1 : 300,000 alkali. 



Oil of peppermint. 



Fused salicylic acid. 



Blue-green color. Mix liquid and R. 

 Dissolved in al- 

 cohol, blue by j 

 transmitted, red 

 bv reflected 

 light. 



xrberer's test. 



Inosite. 



(a) Nitric acid, (b) 

 Ammonia, (c) Sol. 

 calcium chlorid. 



Rose-red residue. Evaporate to dryness Of value only with 

 with a; add*, one pure solutions, 

 drop c, and evapo- 

 rate. 



