The method that using n-hexane as an extractant had a little injure to lab assistant, as compared with CCl_4 used by GB/T16488-1996 method.
使用正己烷作为萃取和测试溶剂，同国标方法（GB/T16488-1996）所用的四氯化碳相比可减少对测试人员的伤害。
The method that using n-hexane as an extractant had a little injure to lab assistant, as compared with CCl_4 used by GB/T16488-1996 method.
使用正己烷作为萃取和测试溶剂，同国标方法（GB/T16488-1996）所用的四氯化碳相比可减少对测试人员的伤害。
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