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BS 5551-4.1.4:1984
M00000461
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BS 5551-4.1.4:1984 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide (titrimetric method)
standard by BSI Group, 08/31/1984
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Specifies reagents, apparatus, procedure and reporting of results.Cross References:
BS 572
BS 3978
BS 5309:Part 1
BS 5309:Part 4