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ISO 2121:1972, Liquid chlorine for industrial use -- Determination of water content -- Gravimetric method |  | Author: ISO TC 47
Publisher: Multiple. Distributed through American National Standards Institute (ANSI)
Category: Book
Buy New: $55.00
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Seller: Amazon.com
Sales Rank: 5190028
Media: Paperback
Pages: 24
Shipping Weight (lbs): 0.2
Dimensions (in): 10.5 x 8.3 x 0.1
ASIN: B000Y2SQ00
Publication Date: August 23, 2007
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Product Description
The method relates to the determination of the "volatile water", that which volatilizes at the same time as the chlorine. It is applicable to products having a water content greater than 0,0005 % (m/m). It should not be applied to samples stored in bottles subject to corrosion. The principle consists in absorption of the water by passing the gasified sample into tared absorbers containing phosphorus pentoxide or magnesium perchlorate. Elimination of the gaseous chlorine and volatile impurities by flushing with air or dry nitrogen heated to 80 �C. Absorption of the chlorine in a tared bottle containing sodium hydroxide solution. Weighing of the absorbers to determine, by difference from the original masses, the mass of water. This title may contain less than 24 pages of technical content.
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