用于测定金刚石内部杂质含量的样品前处理方法、金刚石内部杂质含量的检测方法
By combining inorganic solid alkali coating and graphitization treatment under acidic conditions with inductively coupled plasma atomic emission spectrometry (ICP-AES) analysis, the problem of inaccurate detection of impurity elements in single-crystal diamond in existing technologies has been solved, and efficient and accurate detection of internal impurities in diamond has been achieved.
CN116297409BActive Publication Date: 2026-07-17SF DIAMOND CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- SF DIAMOND CO LTD
- Filing Date
- 2023-03-08
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Existing methods for detecting impurities in single-crystal diamond cannot effectively detect the types and precise contents of impurity elements, which affects quality control and performance research.
Method used
Inorganic solid alkali is used to coat diamond for graphitization treatment, combined with inductively coupled plasma atomic emission spectrometry analysis under acidic conditions. Impurities are absorbed and ionized by the inorganic solid alkali through melting, and corrected by blank test, so as to achieve accurate detection.
Benefits of technology
It can accurately detect the content of various impurity elements inside diamonds, improving the accuracy and reliability of the detection.
✦ Generated by Eureka AI based on patent content.
Abstract
本发明涉及一种用于测定金刚石内部杂质含量的样品前处理方法、金刚石内部杂质含量的检测方法，属于元素分析测试技术领域。本发明的用于测定金刚石内部杂质含量的样品前处理方法，包括以下步骤：将金刚石样品采用无机固体碱覆盖后进行金刚石的石墨化处理，然后在体系中加酸至酸性，得到待测分散液；所述金刚石为单晶金刚石或多晶金刚石；所述石墨化处理的温度高于无机固体碱的熔点。本发明的样品前处理方法，采用无机固体碱覆盖金刚石，在金刚石石墨化过程中内部杂质被熔融碱液吸收，实现对金刚石内部杂质有效提取，进而有助于进一步地对金刚石内部杂质进行精确检测。
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