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BS 4497:1969
M00000077
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BS 4497:1969 Recommendations for the detection and estimation of nitrogenous treating agents in paper
standard by BSI Group, 10/28/1969
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Describes the problems involved and gives qualitative and quantitative methods for use with certain agents used in paper treatment; applies only to substances that have a strong affinity for acid dyes.Cross References:
BS 3430
BS 3431