[Report 1898] / Medical Officer of Health, Rotherham County Borough.
- Rotherham (England). County Borough Council
- Date:
- 1898
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: [Report 1898] / Medical Officer of Health, Rotherham County Borough. Source: Wellcome Collection.
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![Public Analyst’s Laboratory, 67, Surrey Street, Sheffield. Report on a Sample of Drinking Water received from the Rotherham Corporation on November 5th, 1898. Sample Mark—“ No. 95.” Physical Characters:— Suspended Matter, none, Appearance of a Column two feet long, clear and colourless. Taste, normal. Odour, none. On Analysis, the sample gave the following results :— Total Solid Matter, 20-86 ; which lost on Ignition t 2-80 grs. «|J Chlorine, 1-50; equal to Sodium Chloride, 2-46 grs.,, g5! I Nitrogen in oxidised forms, traces ; equal to Nitric Acid ° (anhydrous), traces grs. ^Poionotjs Metals (Lead, &c.), none. Degrees of Hardness, 10-0. [Each degree of hardness represents a soap-destroying power equivalent to one grain of chalk per gallon. Reducing Power, 0-59. [Representing the Oxygen absorbed by the organic and other oxidisable matters in one million parts of water.] Free and Ureal Ammonia, 0.02 parts per million. Albuminoid Ammonia, 0.08 parts per million. iu; I ^3 ' cn ; tJ -V 1 A ^ r These results are fairly satisfactory. ALFRED H. ALLEN. November 29th, 1898.](https://iiif.wellcomecollection.org/image/b3004246x_0007.jp2/full/800%2C/0/default.jpg)
