The _specific
gravity_ should be taken at about 60 deg. F. in an ordinary specific
gravity bottle, or more conveniently by means of a good _urinometer_.
In the latter case it is very important to have an instrument of known
accuracy, many of those in the market being valueless. Urinometers of
glass, though fragile, are decidedly more cleanly and less liable to
get out of order than the gilded brass instruments carried in the
pocket by many physicians. Mr. J.J. Hicks, of 8 Hatton Garden, E.C.,
manufactures a very creditable "patent urinometer" at an extremely low
cost. Healthy urine has a density of from 1.015 to 1.025; but
variations from this range are common.
[Illustration]
A fair quantity of the urine, after shaking, should be placed in a
tall conical glass vessel, to allow easy collection of the precipitate
for subsequent, microscopical examination. If an abundant amorphous
deposit of a fawn or pink--from _uroerythrin_--color slowly settles
and is readily diffused, _urates_ in excess can be anticipated.
Pages:
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118