结论顶空毛细管气相色谱法可用于控制新陈皮苷二氢查尔酮的质量。
Conclusion The headspace capillary GC method can be used to control the quality of neohesperidin dihydrochalcone.
方法:采用顶空毛细管气相色谱法,以标准溶液加入法测定三七提取物中有机溶剂残留量。
Methods: The samples were injected into HP-INNOWAX capillary column by headspace sampler and analyzed with FID detector using standard addition method.
提出用大口径毛细管顶空进样气相色谱法对聚氯乙烯树脂中十亿分之一级残留氯乙烯含量的测量方法。
The test method for determining residual vinyl chloride monomer content in parts per billion level in PVC resin by capillary column gas chromatography headspace technique is suggested.
提出用大口径毛细管顶空进样气相色谱法对聚氯乙烯树脂中十亿分之一级残留氯乙烯含量的测量方法。
The test method for determining residual vinyl chloride monomer content in parts per billion level in PVC resin by capillary column gas chromatography headspace technique is suggested.
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