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. 2018 Dec 26;107(4):742–754. doi: 10.1002/jbm.a.36589

Table 1.

Properties of sodium alginate

Item Standard Test results
Moisture % ≤15.0 11.34
PH value 6.0~8.0 7.38
Insoluble matter in water % ≤0.6 0.51
Ash content % 18.0~27.0 24.27
Color and status Light fawn powder Light fawn powder
(Pb) (lead), mg/kg ≤4.0 <4.0
(As) (lead), mg/kg ≤2.0 <2.0