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M00003109
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ISO 22863-3:2020
Fireworks - Test methods for determination of specific chemical substances - Part 3: Lead and lead compounds by atomic absorptionstandard by International Organization for Standardization, 07/01/2020
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ISO 22863-3:2020 specifies the test method for determination of the lead content in pyrotechnic compositions of fireworks by flame atomic absorption spectrophotometry, with a minimum detection limit of 10 mg/kg.
It is generally recommended to perform a simple preliminary qualitative test to check whether a quantitative analysis is required.