利索-全球专利检索

  1. 登录
  2. 注册
发明公开
CN105911049A 一种稀土精矿中氧化钙的测定方法 无效 - 驳回

一种稀土精矿中氧化钙的测定方法
摘要：
本发明公开了一种稀土精矿中氧化钙的测定方法，属于冶金分析方法技术领域。目的是提供一种分析时间短，测定准确的稀土精矿中氧化钙的测定方法，所述方法包括以下步骤：步骤一：试样溶解；步骤二：EDTA标准溶液滴定；步骤三：氧化钙含量计算。本方法能够在生产中推广应用。使用设备简单，分析流程短，具有准确、快速的特点，适于稀土精矿中氧化钙的快速分析。
摘要（英）：

The invention discloses a method for determining calcium oxide in rare earth concentrate, and belongs to the technical field of metallurgy analysis methods. The purpose of the invention is to provide the method for determining calcium oxide in rare earth concentrate, with the advantages of short analysis time and accurate determination. The method comprises the following steps: 1, dissolving a sample; 2, titrating with an EDTA standard solution; and 3, calculating the content of calcium oxide. The method can be promoted and applied in production, has the characteristics of simple device used in the invention, short analysis flow, high accuracy and fastness, and is suitableness for rapidly analyzing calcium oxide in the rare earth concentrate.

0/0