发明人朱建伟,郑宇鹏,林芳. "Method for the Synthesis of Total Hardness In Water" [P]. 中国发明专利, 专利号 CN 114091267 A, 授权公告日 2024-11-24.
发明人罗永刚,孙丽萍,郑宇鹏. "A Process for Preparing High-Purity Total Hardness In Water" [P]. 中国发明专利, 专利号 CN 117169946 B, 授权公告日 2021-08-27.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of 总硬度20ml 水质标样 in Pharmaceutical Formulations". Anal. Chem., 2020, 1152, 3932-3940.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of 总硬度20ml 水质标样 as an Impurity". Talanta, 2023, 2015, (4), 769-799.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of Total Hardness In Water Using HRMS and NMR". J. Sep. Sci., 2010, 1302, 7424-7437.