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高效液相色谱法测定防腐木材中戊唑醇含量的不确定度评估
李怡欣,陈利芳
广东省林业科学研究院 广州 510520,广东省林业科学研究院 广州 510520
摘要:
利用高效液相色谱法测定了防腐木材中的戊唑醇含量。分析了测定过程中由样品称取质量、样品前处理定容体积、标准溶液质量浓度、液相色谱仪定量重复性、平行试验重复性产生的不确定度的计算方法,确定了防腐木材样品中戊唑醇含量不确定度的最终合成与表示为(494±64)μg/g(k=2)。
关键词:  高效液相色谱法 防腐木材 戊唑醇 不确定度
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基金项目:
The Evaluation of Uncertainty for the Determination of Tebuconazole in Preservative-treated Woods by High Performance Liquid Chromatography
Li Yixin and Chen Lifang
Guangdong Academy of Forestry,Guangdong Academy of Forestry
Abstract:
In this paper, the content of tebuconazole in preservative-treated woods was determined by high performance liquid chromatography(HPLC). The method of calculating the uncertainty of sample weight, sample volume, standard solution concentration, liquid chromatograph repeatability and parallel test repeatability was analyzed.The final synthesis and expression of the uncertainty of the tebuconazole content in preservative-treated woods is described as (494±64) "μg/g" with k=2.
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