3.1.16.1	5	-	with 0.15 M acetate buffer	134136	
3.1.16.1	5	5.8	-	134146	
3.1.16.1	5.5	-	with 0.1 M acetate or succinate buffer	134149	
3.1.16.1	5.8	-	substrate bis-(p-nitrophenyl) phosphate in 0.25 M succinate buffer	134135	
3.1.16.1	5.9	6.5	5.9 with almost 0.15 M ammonium succinate buffer, 6.5 with almost 0.3 M and thymidine 3'(4-nitrophenyl)phosphate as substrate	134151	
3.1.16.1	6	6.5	-	134150	
3.1.16.1	6	6.5	pH 6.2 in 0.1 M acetate buffer, almost no digestion of 5'-phosphorylated tRNA at ph 4.8	134147	
3.1.16.1	6.2	6.3	-	134143	
3.1.16.1	6.6	6.8	-	134143	
3.1.16.1	6.7	-	-	134148