This standard specifies the method for the determination of rare earths by the spectrophotometric three-wavelength method. This standard applies to the determination of rare earths in cereals, vegetables and fruits, with a minimum detection limit of 0.1 μg (5g sample).
GB/T 13108-1991 history
2012GB 5009.94-2012 National Food Safety Standard Determination of Rare Earth Element in Foods of Plant
1991GB/T 13108-1991 Determination method of rare earth in vegetable food
GB/T 13108-1991 Determination method of rare earth in vegetable food was changed to GB 5009.94-2012 National Food Safety Standard Determination of Rare Earth Element in Foods of Plant.