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Water quality - Part 2- Physical, chemical and biochemical methods - Section 2.47 Determination of chromium (VI) - Spectrometric method using 1,5-diphenylcarbazide. Original standard BS 6068-2.47-1995 (1999) ISO 11083-1994 in PDF full version. Additional info + preview on request

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Water quality - Part 2- Physical, chemical and biochemical methods - Section 2.48 Determination of inorganically bound total fluoride after digestion and distillation. Original standard BS 6068-2.48-1995 (1999) ISO 10359-2-1994 in PDF full version. Additional info + preview on request

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Water quality - Part 2- Physical, chemical and biochemical methods - Section 2.49 Determination of aluminium - Spectrometric method using pyrocatechol violet. Original standard BS 6068-2.49-1995 (1999) ISO 10566-1994 in PDF full version. Additional info + preview on request

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Water quality - Part 2- Physical, chemical and biochemical methods - Section 2.7 Determination of ammonium- distillation and titration method. Original standard BS 6068-2.7-1984 (1999) ISO 5664-1984 in PDF full version. Additional info + preview on request

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Water quality - Part 2- Physical, chemical and biochemical methods - Section 2.8 Determination of calcium content- EDTA titrimetric method. Original standard BS 6068-2.8-1984 (1999) ISO 6058-1984 in PDF full version. Additional info + preview on request

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Water quality - Part 2- Physical, chemical and biochemical methods - Section 2.9 Determination of the sum of calcium and magnesium- EDTA titrimetric method. Original standard BS 6068-2.9-1984 (1999) ISO 6059-1984 in PDF full version. Additional info + preview on request

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