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BS 4431 89th Edition, June 30, 1989
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Methods of Sampling and Test for Liquefied Anhydrous Ammonia
Includes all amendments and changes through Reaffirmation Notice , December 1, 2012
Page Count:18
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Describes methods for sampling, determination of oil, water, and carbon dioxide and determination of residue on evaporation. To be read in conjunction with BS 2511:1970