With regards to the test reports of Arsenic and Inorganic Arsenic
Test (TR 57/18549), there are the following remarks:
-The report employed in this analysis is complied with the ISO/IEC 17025 where in chemistry analysis such as ICP-OES or MS, the method using external calibration (that compare with pure reference material) as a certain linear range of analysis where the limit of quantitation (LOQ) is defined as the lowest of the analyte can be quantified by that method. The sign “