An inquiry into the nature and properties of the blood, in health and disease ... / [C. Turner Thackrah].
- Charles Thackrah
- Date:
- 1834
Licence: Public Domain Mark
Credit: An inquiry into the nature and properties of the blood, in health and disease ... / [C. Turner Thackrah]. Source: Wellcome Collection.
48/264 page 38
![CHAPTER II. CHEMICAL QUALITIES OF HEALTHY BLOOD. THE SPeEciric Gravity of blood has been stated at 1041,* 1030-55, 1050,t 1054,§ 1053-1126,« 1055-1061,]|| 1059,9 and at 1527.* The last number is, of course, widely erroneous. In reference to the others, much variety may have arisen from the state of the system at the time when the blood was taken ; and in most of the instances the subjects of depletion were probably diseased. My own examination of specimens of venous blood from six persons in ordinary health gives the specific gravities 1024, 1030, 1042, 1048, 1053, and 1054. We may therefore rate the mean gravity of healthy blood as nearly 1041. THE SOLID CONTENTS of the blood have had rather more accordant estimates. Berzelius and Marcet state the fluid parts to be in the proportion of 900 to 1000; * Hist. of the humane blood by the Hon. Rost. BoyiE, London, 1683. + Prout, on Diabetes. : ¢ Biumensacu, Jnstitut. Physiol. ; also TURNER’s Chemistry. § Jurty, Philosoph. Transactions. a HEenRy’s Chemistry. || Wuitinc, Disputatio Med. de sanguine egrorum. q Denis, Sur le sang humain, Paris, 1830. * HALLER, Elementa Physiologie.](https://iiif.wellcomecollection.org/image/b33094457_0048.jp2/full/800%2C/0/default.jpg)
