The organic analysis of potable waters / by J. A. Blair.

  • Blair, J. A. (James Andrew)
Date:
1890
Catalogue details

Licence: Public Domain Mark

Credit: The organic analysis of potable waters / by J. A. Blair. Source: Wellcome Collection.

Provider: This material has been provided by Royal College of Physicians, London. The original may be consulted at Royal College of Physicians, London.

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    Table XVII Table showing the Quantities of Oxygen absorbed by Natural Waters at Ordinary Temperatures, and at 100° G. The two oxygen processes were carried out in the way already described. The oxygen is stated as parts per million. Water. Ordinary temp. Temp. =100° c. Batio of oxygen in 3 hours to oxygen in 2 hours. Oxygen absorbed in Oxygen absorbed in 2 hours. ( \ hour. 3 hours. Edinburerh City supply 0-64 1-62 6-13 3-8 « » 0-64 1-46 5-72 3-9 I. Prom Peterhead 0-97 2-24 9-12 4-0 II. » 0-35 0-86 4-28 4-9 I. Well, Kirkmichael 0-06 0-12 0-90 7-5 II. » 0-18 0-24 0-61 2-5 III. „ 0-07 0-20 1-37 6-8 IV. „ 0-15 0-30 2-31 7-7 V. .. 0-00 0-25 1-54 6-1 VI. „ 0-00 0-10 0-88 8-1 I. Spring, Patna 0-00 0-00 0-50 II. Well „ 0-00 0-12 0-73 6-0 Sewage water 5-44 18-90 101-25 5-3 9) 3-47 13-59 107-45 7-8 „ „ purified by alum 0-61 3-37 26-67 7-9 „ „ before filtration 3-89 15-13 108-05 7-2 4