SUBJECT INDEX 



Acetic-carbol-Sudan III, for localiza- 

 tion of liquids, 39 



Acetone-alcohol titration method for 

 determination of arginase, 308 



Acid groups, by titrimetric techniques. 

 290 



Acidimetric acetone method for pro- 

 teolytic enzymes, 303 



Acidimetric method, for calcium, 274 

 for cholinesterase, 310 

 for esterase and lipase, 309 



Acid phosphatase, chemical staining 

 methods for, 80 

 role of ascorbic acid in detection, 81 

 role of manganese ions in detection, 

 81 



Acid polysaccharides, chemical stain- 

 ing methods, 45 



"Air pipette," for filling microliter 

 divers under anaerobic conditions, 

 373 



DL-AIanylglycine, substrate for dila- 

 tometric measurement of pepti- 

 dase, 418 



Albert and Leblond 2,4-dinitrophenyl- 

 hydrazine reaction for water- 

 insoluble aldehydes and ketones, 

 71 



Aldehydes, chemical staining methods 

 for, 65 

 "true" and "pseudo" Feulgen re- 

 actions of, differentiation, 65 



Aldolase. See Zymohexase. 



Alkali groups, by electrometric titra- 

 tions, 290 

 by titrimetric techniques, 290 



Alkalimetric alcohol method for pro- 

 teol.ytic enzymes, 304 



Alkaline phosphatase, chemical stain- 

 ing methods for, 78 

 effect of decalcification upon, 78 



Allantoin, by Borsook method, 243 

 colorimetric determination by cu- 

 vette technique, 239 

 use of urease in determination, 243 



Allen-Bourne method for zj^mohexase, 

 87 



Alloxan reaction, for localization of 

 a-amino acid groups in proteins, 

 60 



Altmann-Gersh technique, in freezing- 

 drying, 4 



Amine oxidase, bisulfite as binding 

 agent in localization, 93 

 chemical staining methods for, 93 



a-Amino acid groups in proteins, 

 chemical staining methods, 60 



Amino groups, by acidimetric acetone 

 titration method, 290 

 titrimetric techniques, 290 



Aminonaphtholsulfonic acid reagent, 

 use in determination of phos- 

 phatase, 209 



Aminopolypeptidase, by Linderstr0m- 

 Lang-Holter method, 303 



Ammonia, microliter constriction pi- 

 pettes used for acid in determina- 

 tion of, 174 

 by phenol-hypochlorite method of 

 Russell, 232 



Ammonia buffers, for alkalimetric 

 alcohol method for proteolytic 

 enzj^mes, 305 



Ammonia distillation, apparatus, 167 



511 



