N
Naphthalene and monochloracetic acid, [192]
—— and β-naphthol, mixed crystals of, [183]
β-Naphthol, ethylene bromide, picric acid, [256]
α-Naphthylamine and phenol, [213]
Nickel iodate, solubility of, [142]
o-Nitrophenol and p-toluidine, [213]
O
Occlusion of gases, [176]
Optical method of determining transition points, [338]