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    ISO 6595 : 1982

    WATER QUALITY - DETERMINATION OF TOTAL ARSENIC - SILVER DIETHYLDITHIOCARBAMATE SPECTROPHOTOMETRIC METHOD

    International Organization for Standardization

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    ISO 5666-2 : 1983

    WATER QUALITY - DETERMINATION OF TOTAL MERCURY BY FLAMELESS ATOMIC ABSORPTION SPECTROMETRY - METHOD AFTER PRETREATMENT WITH ULTRAVOILET RADIATION

    International Organization for Standardization

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    ISO 5813 : 1983(R2017)

    WATER QUALITY - DETERMINATION OF DISSOLVED OXYGEN - IODOMETRIC METHOD

    International Organization for Standardization

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    ISO 5666-1 : 1983

    WATER QUALITY - DETERMINATION OF TOTAL MERCURY BY FLAMELESS ATOMIC ABSORPTION SPECTROMETRY - METHOD AFTER DIGESTION WITH PERMANGANATE PEROXODISULFATE

    International Organization for Standardization

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    ISO 6059 : 1984(R2017)

    WATER QUALITY - DETERMINATION OF THE SUM OF CALCIUM AND MAGNESIUM - EDTA TITRIMETRIC METHOD

    International Organization for Standardization

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    ISO 5663 : 1984(R2017)

    WATER QUALITY - DETERMINATION OF KJELDAHL NITROGEN - METHOD AFTER MINERALIZATION WITH SELENIUM

    International Organization for Standardization

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    ISO 5666-3 : 1984

    WATER QUALITY - DETERMINATION OF TOTAL MERCURY BY FLAMELESS ATOMIC ABSORPTION SPECTROMETRY - PART 3 METHOD AFTER DIGESTION WITH BROMINE

    International Organization for Standardization

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    ISO 7875-2 : 1984(R2017)

    WATER QUALITY - DETERMINATION OF SURFACTANTS - PART 2: DETERMINATION OF NON-IONIC SURFACTANTS USING DRAGENDORFF REAGENT

    International Organization for Standardization

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    ISO 6703-3 : 1984(R2017)

    WATER QUALITY - DETERMINATION OF CYANIDE - PART 3: DETERMINATION OF CYANOGEN CHLORIDE

    International Organization for Standardization

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    ISO 6703-1 : 1984(R2017)

    WATER QUALITY - DETERMINATION OF CYANIDE - PART 1: DETERMINATION OF TOTAL CYANIDE

    International Organization for Standardization

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