ISO 11212-1:2008 specifies a method for the determination of arsenic content in starch and its products using atomic absorption spectrometry. This standard is part of a series aimed at ensuring safety and quality control in food products, particularly focusing on the detection of heavy metals such as arsenic which may be harmful if present in excessive amounts. The methodology detailed herein provides precise guidelines for sample preparation, calibration procedures, analytical techniques, and data interpretation to accurately measure arsenic levels using atomic absorption spectrometry (AAS). This method is applicable across various types of starch-based products, including but not limited to cornstarch, tapioca, potato starch, and wheat starch. The standard emphasizes the importance of adhering to specified conditions for sample digestion, calibration curve establishment, and spectral interference minimization to ensure reliable results.
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