Certified reference material of rigid PVC for oxygen index was developed.
研制硬质聚氯乙烯(硬质pvc)氧指数标准物质。
The development process of magnesium oxide certified reference material was introduced.
介绍氧化镁标准物质的研制过程。
The test and assessment for the homogeneity of a certified reference material are introduced.
介绍标准物质的均匀性检验及其评价方法。
Abstract N-acetylneuraminic acid certified reference material was separated by semi-preparation HPLC.
摘要采用半制备液相色谱法制备 N- 乙酰基神经氨酸标准物质。
The developing process of the certified reference material of rheological properties of polymer was introduced.
介绍聚合物流变特性标准物质的研制过程。
The developing process of the certified reference material for composition analysis of rare earth ores was introduced.
介绍两种稀土矿石成分分析标准物质的研制过程。
The certified reference material mainly consists of polyisobutylene and hexadecane with good homogeneity and stability.
聚合物流变特性标准物质主要由聚异丁烯和十六烷组成。
Sulfur content in crude oil certified reference material was deterimined by oxygen bomb combustion and ion chromatography method.
采用氧弹燃烧-离子色谱法对原油标准物质中的硫含量进行定值。
The homogeneity of certified reference material is studied by acoustic emission method for composite solid propellant burning rate.
采用声发射燃速测试方法研究了复合固体推进剂方坯燃速的均匀性。
Methods The measurement accuracy of two different methods was verified with the samples of RELA 2009 and certified reference material.
方法用RELA 2009样本和有证参考物质对两种方法进行测量正确度验证；
The test result has showed that the water content of this CRM is low, it is homogeneous and stable, its certified value is creditable and it can be used as second-rank certified reference material.
实验结果表明，该标准物质含水量低，均匀稳定，定值可信，可作为二级标准物质使用。
The certified value of the standard reference material developed is accurate and reliable, and is approved as the national matter standard sample.
所研制的标准物质定值准确可靠，已被定为国家实物标准样品。
The certified value of the standard reference material developed is accurate and reliable, and is approved as the national matter standard sample.
所研制的标准物质定值准确可靠，已被定为国家实物标准样品。
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