本数据集源于高纯无水稀土卤化物试剂公斤级生产规模研究工作，针对国产高端无水稀土卤化物试剂品种少、纯度低、深度净化除杂难度大等问题，创造性的开展了相关的实验研究，获得较好结果，在前期实验基础上，开展逐级方法实验，通过优化工艺流程及参数，进行公斤级生产。主要包括了4种高纯无水稀土卤化物（高纯无水氯化镱、高纯无水氯化铒、高纯无水溴化钇和高纯无水碘化钕）试剂公斤级生产的工艺流程，原材料、中间品及产品的检测方法和标准，产品命名及包装运输等条件过程。为高纯无水稀土卤化物试剂批量稳定化生产提供关键技术支撑。
\n由于稀土材料的特殊性，本数据集实体不对外公开，仅共享元数据。如需获取数据集实体，请联系数据管理者。", "ds_source": "
本数据集针对高纯无水稀土卤化物试剂公斤级生产过程要求，开展了多批次高纯无水稀土卤化物试剂的生产，根据生产过程工艺参数控制及相关的管控要点，形成了工艺技术方案数据集。具体如下：主要提供了4种高纯无水稀土卤化物试剂公斤级批次稳定生产的工艺方案，包括采用的工艺方法、工艺流程及相关的设备技术要求；原材料、中间品及成品的检验方法和检验标准，明确采用的测试方法（项目组自研的测试方案）及相关设备（GDMS、ICP-MS/MS、γ能谱仪），明确了杂质及含量要求标准；中间品和成品的命名规则，按照工艺过程及最终的技术要求明确过程中间品和产品的相关命名规则（按照日期、批次、纯度及无水稀土卤化物试剂名字等因素）；以及明确了产品包装过程中的材质要求、包装要求及温湿度控制等情况。
", "ds_process_way": "本资源主要来源于高纯无水稀土卤化物试剂公斤级批次稳定生产过程，基于原材料、中间品和成品的质量管控，明确相关的技术要求（原材料按照现行国标、产品纯度及关键敏感杂质依据项目要求执行），并严格执行技术要求控制杂质含量及纯度；采用自主研发的分离提纯方法进行无水稀土卤化物试剂的深度除杂和提纯工艺。并按照项目组自主研发的杂质测定方案进行测定，明确分析纯度、关键敏感杂质含量指标及部分无水稀土卤化物试剂放射性指标。
", "ds_quality": "本资源主要来源于高纯无水稀土卤化物试剂公斤级批次稳定生产过程，基于项目组自研的杂质含量测定方法，进行无水稀土卤化物试剂纯度、关键敏感杂质含量的测定，首先对自研的测定方案进行多个实验室的平行测定，确保测试方案的可行性后再进行无水稀土卤化物试剂的纯度和关键敏感杂质含量的测试工作，同时采用加标实验及标样来确保分析结果的准确性和溯源性。
", "ds_acq_start_time": "2022-11-01 00:00:00", "ds_acq_end_time": "2025-12-31 00:00:00", "ds_acq_place": "有研稀土新材料股份有限公司试验基地及第三方测试平台", "ds_acq_lon_east": null, "ds_acq_lat_south": null, "ds_acq_lon_west": null, "ds_acq_lat_north": null, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "apply-access", "ds_total_size": 0, "ds_files_count": 0, "ds_format": "*.pdf", "ds_space_res": "", "ds_time_res": "", "ds_coordinate": "无", "ds_projection": "", "ds_thumbnail": "96edb88b-5eca-462b-9284-0dd423ea04b6.png", "ds_thumb_from": 2, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "无", "ds_from_station": "", "organization_id": "af683ce0-400b-4f2f-9242-f45f0621e11a", "ds_serv_man": "李红星", "ds_serv_phone": "0931-4967592", "ds_serv_mail": "ncdc@lzb.ac.cn", "doi_value": "", "subject_codes": [ "410" ], "quality_level": 0, "publish_time": "2026-05-19 16:51:05", "last_updated": "2026-05-19 17:26:35", "protected": false, "protected_to": null, "lang": "zh", "cstr": "", "i18n": { "en": { "title": "Data set of process technology scheme for preparing high-purity rare earth halides compounds", "ds_format": "*.pdf", "ds_source": "This dataset focuses on the production process requirements of high-purity anhydrous rare earth halide reagents at the kilogram level. Multiple batches of high-purity anhydrous rare earth halide reagents were produced, and a process technology scheme dataset was formed based on the control of production process parameters and related control points. Specifically, the following process plans are provided for the stable production of kilogram level batches of four high-purity anhydrous rare earth halide reagents, including the adopted process methods, process flow, and related equipment technical requirements; The inspection methods and standards for raw materials, intermediate products, and finished products, as well as the testing methods (self-developed testing plan by the project team) and related equipment (GDMS, ICP-MS/MS, gamma spectrometer), have been clearly defined. Impurities and content requirements standards have also been established; Naming rules for intermediate and finished products, specifying the relevant naming rules for intermediate and product products according to the process and final technical requirements (based on factors such as date, batch, purity, and names of anhydrous rare earth halide reagents); And clarified the material requirements, packaging requirements, and temperature and humidity control during the product packaging process.
", "ds_quality": "This resource mainly comes from the stable production process of kilogram level batches of high-purity anhydrous rare earth halide reagents. Based on the impurity content determination method developed by the project team, the purity and key sensitive impurity content of anhydrous rare earth halide reagents are determined. Firstly, the self-developed determination scheme is tested in parallel in multiple laboratories to ensure the feasibility of the testing scheme. Then, the purity and key sensitive impurity content of anhydrous rare earth halide reagents are tested. At the same time, spiked experiments and standard samples are used to ensure the accuracy and traceability of the analysis results.
", "ds_ref_way": "", "ds_abstract": "This dataset is derived from the research on the production scale of high-purity anhydrous rare earth halide reagents at the kilogram level. In response to the problems of limited variety, low purity, and difficulty in deep purification and impurity removal of domestically produced high-end anhydrous rare earth halide reagents, relevant experimental research was creatively carried out, and good results were obtained. Based on the preliminary experiments, a step-by-step method experiment was carried out to optimize the process flow and parameters for kilogram level production. It mainly includes the process flow of kilogram level production of four high-purity anhydrous rare earth halide reagents (high-purity anhydrous ytterbium chloride, high-purity anhydrous erbium chloride, high-purity anhydrous yttrium bromide, and high-purity anhydrous neodymium iodide), as well as the testing methods and standards for raw materials, intermediate products, and products, product naming, packaging, and transportation conditions. Provide key technical support for the batch stabilization production of high-purity anhydrous rare earth halide reagents.
\r\nDue to the special nature of rare earth materials, this dataset is not publicly available and only shares metadata. To obtain the entity of the dataset, please contact the data manager.", "ds_time_res": "", "ds_acq_place": "Research Rare Earth New Materials Co., Ltd. Testing Base and Third Party Testing Platform", "ds_space_res": "", "ds_projection": "", "ds_process_way": "
This resource mainly comes from the stable production process of kilogram level batches of high-purity anhydrous rare earth halide reagents. Based on the quality control of raw materials, intermediate products, and finished products, relevant technical requirements are clearly defined (raw materials are executed according to current national standards, product purity, and key sensitive impurities are executed according to project requirements), and technical requirements are strictly implemented to control impurity content and purity; Adopting independently developed separation and purification methods for the deep impurity removal and purification process of anhydrous rare earth halide reagents. And according to the impurity determination plan independently developed by the project team, the analysis purity, key sensitive impurity content indicators, and some anhydrous rare earth halide reagent radioactive indicators will be determined.
", "ds_ref_instruction": "Nothing" } }, "submit_center_id": "ncdc", "data_level": 0, "recommendation_value": 0, "license_type": "https://creativecommons.org/licenses/by/4.0/", "doi_reg_from": "reg_local", "cstr_reg_from": "reg_local", "doi_not_reg_reason": null, "cstr_not_reg_reason": null, "is_paper_in_submitting": false, "ds_topic_tags": [ "无水稀土卤化物", "定量", "敏感杂质含量", "纯度" ], "ds_subject_tags": [ "工程与技术科学基础学科" ], "ds_class_tags": [], "ds_locus_tags": [], "ds_time_tags": [], "ds_contributors": [ { "true_name": "史雅囡", "email": "shiyanan@grirem.com", "work_for": "有研稀土新材料股份有限公司", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "史雅囡", "email": "shiyanan@grirem.com", "work_for": "有研稀土新材料股份有限公司", "country": "中国" } ], "ds_managers": [ { "true_name": "史雅囡", "email": "shiyanan@grirem.com", "work_for": "有研稀土新材料股份有限公司", "country": "中国" } ], "category": "其他" }