Lead determination by ICP-MS using the Wet Digester B-440 for ashing gives reliable results with a recovery rate above 85 % and is in accordance to the FSSAI regulation. For the measured instant noodle samples the lead content was far below the permissible limit. Lead determination using the Wet Digester B-440 is reproducible, well convenient due to programmability, safe and economic.
Lead determination in instant noodles
Wet Digester B-440: Acid digestion and ashing using the Wet Digester B-440 followed by spectroscopic lead determination