SUBJECT INDEX 



Page numbers in boldface type refer to Glossary items 



Absolute beta counting, 176 

 Absorber, radiation, 427 

 Absorber thickness, intensity reduction 

 factor, 93 

 units for, 85-86 

 Absorption, of beta rays, 92 

 of gamma radiation, 86, 94 

 of radiation, 85-86 

 definition, 427 

 Accumulation in one phase, 23-25 

 Activation analysis (see Radioactivation 



analysis) 

 Activity, 427 



Adenosine triphosphate purification, 400 

 Administration of radioisotopes to an- 

 imals (see Radioisotopes, dosage) 

 Adsorption, 427 

 with radiogold, 248 

 in solution counting, 187 

 test for, in bacterial labeling, 281 

 Age, and Ca^^ deposition in bone, 24-25, 343 

 determination by C", 49-50 

 and radiocolloid formation, 62 

 Air, maximum permissible concentration 



(see individual isotopes) 

 Air dose (X rays), 427 

 Air monitor, 427 

 Air-wall ionization chamber, 427 

 Algae, C" in photosynthesis, 41, 378-381 

 C" tagging methods for, 149-150 

 tritium studies, 252 

 Alizarin-ammonia reagent, 368 

 Alkaline earths, separations, 402 

 Alkaline metals, separation, 402 

 Alpha counter, 427 

 Alpha particles, definition, 85, 427 

 relative biological effectiveness, 88 

 summary of characteristics, 87 

 Alpha tracks, 341 

 Amino acids, analysis, 47 



with isotopic derivatives, 18 

 chromatographic studies, 380-381 

 separation by ion exchange, 307, 

 395-397 



Amino acids, yttrium complexes, 318 

 Ammonia estimation in urine, 395 

 Anemia, 428 



Aniline acid phthalate reagent, 369 

 Animals, laboratory (see Laboratory 



animals) 

 Anion exchangers, 388-390 

 Anticoincidence circuit, 428 

 Antimony, summary, 205-206 

 Antimony (Sb*), summary, 205-206, 



446 

 Apparatus, for autoradiography, 325 

 for ion exchange, 391-393 

 for paper chromatography, 362-366 

 for radioisotope laboratories, 125 

 Archaeological materials, datiiig, 49 

 Arsenic, radioactivation analysis, 420-421 



summary, 207-209 

 Arsenic (As*), summary, 207-209, 446 

 Artifacts, autoradiographic, 355-356 

 Artificial radioactivity, 428 

 Ashing, dry-, 162-163 

 feces with papain, 250 

 plant samples, 283 

 pseudo wet-, 160 

 wet-, 161-162 



(See also individual isotopes) 

 Atomic mass, 428 

 Atomic number, definition, 1, 428 

 Atomic weight, 428 

 Autoradiography, advantages of, 324 

 and anatomical structure, 342-344 

 apposition method, 332-335 

 for bone, 332 

 for plants, 334 

 for tissue sections, 334 

 artifacts, 355-356 

 with Be', 212 

 of blood, 335, 341 

 of bone (see Bone) 

 in bone-growth measurement, 346- 



348 

 of C'^ in plant roots, 344-345 

 with Ca«, 343, 346-348, 352-354, 356 



465 



