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- Check the solution against a primary standard. 对照原来的标准液来检验此溶液。
- primary standard solution 基本标准溶液
- It is the standard solution for newly decorated public toilets. 是新装修公共卫生间的标准解决方案。
- Study on extending measurement range of viscosity primary standard. 扩大粘度基准量程的研究。
- Site to see if the standard solution has been released. 站点,了解是否已经发布了标准的解决方案。
- It is titrated with standard solution KOH in KCI supporting electrolyte. 在KCI的底液中,用KOH标准溶液进行直接滴定。
- Use a standard solution to titrate a sample solution to find its molarity. Titration:用标准溶液去滴定样本溶液,找出其摩尔浓度。
- We can measure the contents of yttrium with EDTA standard solution titration. 用edta标准溶液滴定,可测得氧化钇的含量。
- A new automated spectro radiometric calibration system is used to establish the new national primary standard of color temperature. 用一个自动的光谱辐射校准系统建立新的国家色温度基准。
- This paper briefly describes the principle, structure and performances of the national primary standard manometer built at the NIM in 1986. 本文概要介绍中国计量科学研究院于1986年建立的国家气压基准器的原理、结构和性能。
- The concentration of FeSO4 was determined by micro titration with a novelly designed pipette and KMnO4 standard solution. 摘要将微型滴定用于硫酸亚铁含量的测定,设计并使用与微型滴定管精度一致的移液管,比较了微型滴定与常量滴定的测定结果。
- The standard solution is added lanthanum nitrate solution as much as the sample. 标准溶液也同样品一样加入相同量硝酸镧溶液。
- This article had some improvement to standard solution of chorine gas curve through. 本文针对这一问题,对氯气曲线的标准溶液浓度和加标量进行了改进。
- Phenanthroline is used as indicator and ammonium ceric nitrate standard solution for titration in the determination. 以邻-菲罗林为指示剂,用硝酸铈铵标准溶液滴定的方法测定。
- Titration:use a standard solution to titrate with a sample solution to find its molarity. 滴定法:用标准溶液去滴定样本溶液,找出其摩尔浓度。
- Volume of graduated pipette shall not exceed three times volume of standard solution used for measurement of impurity. 每次量取时,以不超过所量取杂质测定用标准溶液体积的三倍量选用分度吸管。
- All date issued are traceable to National and International Primary Standards of verification. 本中心所出具的数据均可溯源到国际和国家计量基准。
- Weakness of trace impouring imprecisely was avoided by mixing UDMH and internal standard solution. 用内标与偏二甲肼混合样品,避免了微量进样不准确的缺陷。
- By using standard solution,the atomic absorbance can be determined directly and the working curve canbe also drawn. 可直接以标准溶液测定吸光度,绘制工作曲线。
- For some research purposes and possibly for referee work, analyzed primary standards may be obtained from the U.S. Bureau of Standards. 对于某些研究工作和仲裁工作,可以从美国标准局获得经过分析的一级标准物。