标准溶液测量准确度

STANDARD AQUA MEASURES ACCURATE DEGREE

要提高金属电刷理化性能,就要作好其金属含量的分析工作。首先要提高标准溶液的准确度,准确度是 由不确定度表示的,本文从三方面分析了不确定度来源,得出其扩展不确定度,并以铅标准溶液为例作分析。

The toing increases the metals brushes the physics and chemistry function wants to make its metals content analysis work. Increases first the accurate degree of the standard aqua. The accurate degree be show by indetermination degree. This text from three aspects analyzed the indetermination a source,getting its expand indetermination degree,and make the analysis with the example in standard aqua in lead.