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- tetraborate ph standard solutions 四硼酸盐ph标准液
- ph standard solution ph 标准溶液
- Clark's pH standard solution 克拉克pH标准溶液
- carbonate ph standard solutions 碳酸盐ph标准液
- oxalate ph standard solutions 草酸盐ph标准液
- phosphate ph standard solutions 磷酸盐ph标准液
- 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。
- 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。
- phthalate ph standard solutions 邻苯二甲酸盐ph标准液
- While the Mg 2+ was masked and demasked with HAA,the Ca 2+ ? Mg 2+ can be determined directly by the chelatometry in same factors that as the solution,the pH,the indicator and the standard solution. 用乙酰丙酮 (HAA)掩蔽和解蔽 Mg2 +,在同一溶液、同一 p H值、指示剂和标准溶液(EDTA)直接滴定 Ca2 +、 Mg2 +。
- 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。
- 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。
- 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。
