Sample preparation for measurement of mercury level in fluorescent lamps Ingestion-build-61878 chromium (Cr)

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Sample preparation for measurement of mercury level in fluorescent lamps Ingestion-build-61878 chromium (Cr)1 Scope This International Standard specifies sample preparation methods for determining mercury levels in new tubular fluorescent lamps (including single capped, double capped, self ballasted and CCFL for backlighting) containing 0,1 mg mercury or more. The intended resolution of the methods described in this standard is of the order of 5 %. Mercury level measurement of spent lamps is excluded, as during lamp operation, mercury gradually diffuses