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Water quality - Part 2- Physical, chemical and biochemical methods - Section 2.11 Determination of ammonium- manual spectrometric method. Original standard BS 6068-2.11-1984 (1999) ISO 7150-1-1984 in PDF full version. Additional info + preview on request

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Water quality. Physical, chemical and biochemical methods - Determination of phenol index- 4-aminoantipyrine (4-aminophenazone) spectrometric methods after distillation. Original standard BS 6068-2.12-1990 (1999) ISO 6439-1990 in PDF full version. Additional info + preview on request

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Water quality - Part 2- Physical, chemical and biochemical methods - Section 2.19 Method for determination of cyanogen chloride. Original standard BS 6068-2.19-1986 (1999) ISO 6703-3-1984 in PDF full version. Additional info + preview on request

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Water quality - Part 2- Physical, chemical and biochemical methods - Section 2.2 Determination of iron- 1, 10-phenanthroline photometric method. Original standard BS 6068-2.2-1983 (1999) ISO 6332-1982 in PDF full version. Additional info + preview on request

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Water quality - Part 2- Physical, chemical and biochemical methods - Section 2.24 Method for the determination of non-ionic surfactants using Dragendorff reagent. Original standard BS 6068-2.24-1986 (1999) ISO 7875-2-1984 in PDF full version. Additional info + preview on request

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Water quality - Part 2- Physical, chemical and biochemical methods - Section 2.29 Determination of cobalt nickel, copper, zinc, cadmium and lead- flame atomic absorption spectrometric methods. Original standard BS 6068-2.29-1987 (1999) ISO 8288-1986 in PDF full version. Additional info + preview on request

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