Click for next page ( 28

The National Academies | 500 Fifth St. N.W. | Washington, D.C. 20001
Copyright © National Academy of Sciences. All rights reserved.
Terms of Use and Privacy Statement

Below are the first 10 and last 10 pages of uncorrected machine-read text (when available) of this chapter, followed by the top 30 algorithmically extracted key phrases from the chapter as a whole.
Intended to provide our own search engines and external engines with highly rich, chapter-representative searchable text on the opening pages of each chapter. Because it is UNCORRECTED material, please consider the following text as a useful but insufficient proxy for the authoritative book pages.

Do not use for reproduction, copying, pasting, or reading; exclusively for search engines.

OCR for page 27
27 Name: CARBON DIOXIDE CAS No.: 124-38-9 Chemical Formula: CO2 Description: NAS/CWIC 010-82 Formula Weight: 48.1 A colorless, odorless, nonflammable gas, weighing 1.977 g/liter at 0C and at a pressure of 760 mm of mercury. Solubility in water: one volume/volume of water and its solutions are acid. Use: Used primarily after lime softening as a stabilization agent to convert carbonates to bicarbonates. Purity Requirements: A maximum dosage of 100 mg of carbon dioxide/liter of water was considered, and at that dosage commercially available 99.5% purity carbon dioxide is not known to contribute any contaminants that adversely affect the potability of drinking water.