On the analysis of the blood and urine, in health and disease. With directions for the analysis of urinary calculi / [George Owen Rees].

  • George Owen Rees
Date:
1836
Catalogue details

Licence: Public Domain Mark

Credit: On the analysis of the blood and urine, in health and disease. With directions for the analysis of urinary calculi / [George Owen Rees]. Source: Wellcome Collection.

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    have observed a whitish coating or sediment in the bottle containing his dilute sulphuric acid. Arsenic has likewise been detected in some specimens of this acid, which may be accounted for, by the fact, that a vast quantity of sulphuric acid is made with sulphur procured from arsenical pyrites. The officinal liquor potassee, should never be used as a re-agent, for it frequently contains lime; but this, as well as every other solution intended for the use of the laboratory, should be such as has never had a place in the shop of any of the ordinary chemists and druggists of this city.* Were I to proceed to show the reasons for avoiding the purchase of all officinally prepared solutions, I should far exceed the intentions of * In making these remarks, I must beg to exclude from the epithet “ ordinary chemists and druggists,” the firm of Allen and Co., and perhaps one or two more, well known as scientific men, and such as England will always be proud to acknowledge; but the existence of such a body as the un- taught tradesmen who arrogate to themselves the title of _ chemist, remains as one of the most amusing absurdities of the nineteenth century. 1 would beg to recommend Messrs. Allen and Co., of Plough Court, as persons well fitted to sup- ply the chemist with his re-agents, &c. &c.