This standard specifies the determination of potassium in feed by flame photometry. This standard applies to the determination of potassium in feed ingredients and feed products. The minimum detection limit of potassium in this method is 2.00mg/kg (when 1g of sample is taken).
GB/T 18633-2002 history
2018GB/T 18633-2018 Determination of potassium in feeds.Flame photometry
2002GB/T 18633-2002 Determination of potassium in feed flame photometric method