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BS 6068-2.2:1983 Water quality. Physical, chemical and biochemical methods Determination of iron: 1,10-phenanthroline photometric method
BS 6068-2.31:1987 Water quality. Physical, chemical and biochemical methods Method for determination of manganese: formaldoxime spectrometric method
BS 6068-2.34:1988 Water quality. Physical, chemical and biochemical methods Method for the determination of oxygen demand
BS 6068-2.36:1989 Water quality. Physical, chemical and biochemical methods Spectrometric method for the determination of nitrate using sulphosalicylic acid
BS 6068-2.37:1990 Water quality. Physical, chemical and biochemical methods Method for the determination of chloride via a silver nitrate titration with chromate indicator (Mohr's method)
BS 6068-2.40:1991 Water quality. Physical, chemical and biochemical methods Method for the determination of borate by spectrometry using azomethine-H
BS 6068-2.41:1993 Water quality. Physical, chemical and biochemical methods Determination of fluoride: electrochemical probe method for potable lightly polluted water
BS 6068-2.42:1993 Water quality. Physical, chemical and biochemical methods Determination of sodium potassium: determination by atomic absorption spectrometry
BS 6068-2.43:1993 Water quality. Physical, chemical and biochemical methods Determination of sodium potassium: determination potassium by atomic absorption spectrometry
BS 6068-2.44:1993 Water quality. Physical, chemical and biochemical methods Determination of sodium potassium: determination potassium by flame emission spectrometry
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