支的内毒素工作标准品中除含有3-羟基十四烷酸外，还含有3-羟基十二烷酸，说明其含有非大肠杆菌的细菌。

There was 3-hydroxydodecanoic acid in 20 EU/tube working standard endotoxin, which indicated the presence of impurity of bacterium source.

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支的内毒素工作标准品中除含有3-羟基十四烷酸外，还含有3-羟基十二烷酸，说明其含有非大肠杆菌的细菌。

There was 3-hydroxydodecanoic acid in 20 EU/tube working standard endotoxin, which indicated the presence of impurity of bacterium source.

youdao