This part of GB/T 9695 specifies the method for the determination of calcium content in meat and meat products. The detection limit of atomic absorption method: 0.5mg/kg; the detection limit of titration method: 5.0mg/kg.
GB/T 9695.13-2009 Referenced Document
GB/T 601 Chemical reagent.Preparations of reference titration solutions*, 2016-10-13 Update
GB/T 6682 Water for analytical laboratory use.Specification and test methods