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技术指标：
|
天冬氨酸镁
|
BP2009
|
出口医药级
|
医药级
|
饲料级
|
|
项 目
|
指 标
|
指 标
|
指 标
|
指 标
|
|
含量[以无水物计]%
|
≥98.0~102.0
|
≥98.0~102.0
|
——
|
≥98.0~102.0
|
|
镁含量（Mg)%
|
——
|
——
|
≥11
|
——
|
|
比旋光度〔α〕D20 O
|
+20.5~23.0
|
+16.5~+23.0
|
+15.5~+17.5
|
+16.5~+23.0
|
|
透光率%
|
——
|
——
|
≥95
|
——
|
|
PH值（2.5g/100ml H2O）
|
6.0~8.0
|
6.0~8.0
|
——
|
6.0~8.0
|
|
氯化物（CL）%
|
≤0.02
|
≤0.05
|
≤0.02
|
≤0.05
|
|
硫酸盐（SO4）%
|
≤0.05
|
≤0.1
|
≤0.05
|
≤0.1
|
|
铵（NH4）%
|
≤0.01
|
——
|
——
|
——
|
|
铁（Fe）%
|
≤0.003
|
≤0.003
|
≤0.003
|
≤0.01
|
|
重金属（Pb）%
|
≤0.001
|
≤0.001
|
≤0.001
|
≤0.001
|
|
水份%
|
10.0~14.0
|
10.0~14.0
|
——
|
10.0~14.0
|
|
砷(As)%
|
——
|
≤0.0005
|
≤0.0005
|
≤0.0005
|
