6058 NOT ES VOl. 77 the dye solutions ranged from approximately 4.5 to 11 X low6 mole/l. for 4-aminoazobenzene and 3.5 to 10 X mole/l. for the methylated dyes. All protein solutions were 0.2% by weight. Dye and protein solutions were prepared by dissolving these substances in a phosphate buffer (PH 6.8) which contained 0.055 mole of NazHPO, and 0.044 mole of KH, P04 per liter of solution. The protein used was Crystallized Bovine ...
