330 Amino-Acid Nitrogen in Blood 
TABLE VY. 
Comparison between the Heat-Trichloroacetic Acid and. the Heat-Kaolin 
Precipitation. Amino-Acid Nitrogen per 100 Cc. of Blood. 
Material. BOD ea Heat-kaolin. 
4 mg. mg. 
Rabbiteplood (oxalate) a0. 7-c4ee- eee 10.49 9.82 
a i Ae Udit ge Moko tay eee ae 11.68 11.68 
Sheep “ SS Ty Be ee eee rma ) 6.70 6.70 
Rabbit “ Ht at aa ee wae eae iY ees nh ere 11.57 
rs ny Ned [il sey oe Unt teen eters 10.70 10.87 
Beef os PUTTER EE UN so enaend Met ote eae 7.42 7.42 
Alcohol precipitation has shown more or less lower values as 
was expected from the results of previous investigations. 
TABLE VI. 
Comparison between the Heat-Kaolin and Methyl Alcohol Method. Amino- 
Acid Nitrogen per 100 Ce. of Blood. 
Material. Heat-kaolin. Methyl alcohol. 
mg. mg. 
Rabbit ublaod (oxalated)@ ie. .ee ee 9.72 5.89 
% : Sete NO State cian eee 10.55 8.68 
> ‘i TR Bet St Ail? rs oh A 10.67 9.53 
i is REDE MP ERNE oe yeRN ps ha tt a Ba 8.99 
i EO = els vac deletes eee eee 9.81 8.49 
TABLE VII. 
Comparison between the Heat-Kaolin and Ethyl Alcohol Method. Amino- 
Acid Nitrogen per 100 Cc. of Blood. 
Material. Heat-kaolin. 95 per cent alcohol. 
mg. mgs 
Dog blood os eA ae eaeenes 8.06 52054 
Rabbitug?\: Og ite «au ere ee ae ee 198 5.78 
ye i TN ie, oa a es art 7.06 5.57 
* a tf I Seer eee it Naar a 11.33 Hh ey 
Dog £ 553 | Ae ee 6.57 3.84 
. ‘ fo 9 US OE alae eet 9.89 5.17 
