Thermo Fisher Scientific makes great play of the claimed superior analytical capabilities of the Thermo Scientific iCE 3000 series range of atomic absorption (AA) spectrometers for monitoring multiple trace metals in rice. It says they allow precise flame and furnace analyses of nutritional and toxic elements at parts per million and per billion levels.
Global legislation now regulates the permissible levels of cadmium in foodstuffs, with China and the EU setting an upper limit of 0.2mg/kg of cadmium in rice.
Thermo Fisher analysed copper, manganese and zinc in rice using flame AA, as they are found naturally in soils and water, which requires detection within the low mg/kg (ppm) range.
Read the application note Food safety series determination of trace elements in rice products by flame and graphite furnace atomic absorption spectrometry at www.thermo.com/ice.
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