The treatment of sorbic acid manufacturing wastewater by NDA-150 resin was investigated. The experiments show that this process is suitable for the treatment of sorbic acid manufacturing wastewater. About 98% sorbic a...The treatment of sorbic acid manufacturing wastewater by NDA-150 resin was investigated. The experiments show that this process is suitable for the treatment of sorbic acid manufacturing wastewater. About 98% sorbic acid and 50% CODcr were removed under optimal operating conditions, and 70% of sorbic acid in sorbic acid manufacturing wastewater was reclaimed. This process makes it possible to recover valuable materials from the wastewater and to improve the quality of effluent water.展开更多
A novel organic-inorganic composite, sorbic acid intercalated zinc aluminum layered double hydroxides (SA-ZnAl-LDHs) has been successfully assembled by a sim- ple direct coprecipitation method. A holistic approach in-...A novel organic-inorganic composite, sorbic acid intercalated zinc aluminum layered double hydroxides (SA-ZnAl-LDHs) has been successfully assembled by a sim- ple direct coprecipitation method. A holistic approach in- cluding normal XRD, FT-IR, and UV-Vis measurements and simultaneous TG/DTA/MS and in situ HT-XRD techniques was employed to explore the supramolecular intercalation structure and the thermal decomposition properties of as-synthesized SA-ZnAl-LDHs material.展开更多
目的设计和构建实验室信息管理系统(laboratory information management system,LIMS)中控制图的功能模块,直观分析苯甲酸和山梨酸测定的变化趋势,实现在线监测食品中苯甲酸和山梨酸含量的测定.方法研究设计了LIMS控制图功能模块,包括...目的设计和构建实验室信息管理系统(laboratory information management system,LIMS)中控制图的功能模块,直观分析苯甲酸和山梨酸测定的变化趋势,实现在线监测食品中苯甲酸和山梨酸含量的测定.方法研究设计了LIMS控制图功能模块,包括监测日期、样品类型、测试项目及方法、检测人员、质控样品数据等关键信息.以高效液相色谱法测定食品中苯甲酸和山梨酸含量为例,加入选定的质控样品,收集14个月的测试数据,利用LIMS分别自动生成均值(X)控制图、单值(I)控制图,观察其测试数据的离散程度.结果苯甲酸和山梨酸的检测数据均在X控制图和I控制图的上、下控制限之间,说明实验室在该期间使用高效液相色谱法测定食品中苯甲酸和山梨酸的测定结果准确、可靠.结论利用LIMS在线绘制控制图,可监控高效液相色谱法测定食品中苯甲酸和山梨酸的测定过程,该范本可复制推广,为衡量实验室的检测能力和开展质量监控提供参考依据.展开更多
文摘The treatment of sorbic acid manufacturing wastewater by NDA-150 resin was investigated. The experiments show that this process is suitable for the treatment of sorbic acid manufacturing wastewater. About 98% sorbic acid and 50% CODcr were removed under optimal operating conditions, and 70% of sorbic acid in sorbic acid manufacturing wastewater was reclaimed. This process makes it possible to recover valuable materials from the wastewater and to improve the quality of effluent water.
基金This work was supported by the Key Project of the National Natural Science Foundation of China(Grant No.2O1060021)the Ivlinistry of Education Science and Technology Research Project of China IGrant No.Key 104239).
文摘A novel organic-inorganic composite, sorbic acid intercalated zinc aluminum layered double hydroxides (SA-ZnAl-LDHs) has been successfully assembled by a sim- ple direct coprecipitation method. A holistic approach in- cluding normal XRD, FT-IR, and UV-Vis measurements and simultaneous TG/DTA/MS and in situ HT-XRD techniques was employed to explore the supramolecular intercalation structure and the thermal decomposition properties of as-synthesized SA-ZnAl-LDHs material.
文摘目的设计和构建实验室信息管理系统(laboratory information management system,LIMS)中控制图的功能模块,直观分析苯甲酸和山梨酸测定的变化趋势,实现在线监测食品中苯甲酸和山梨酸含量的测定.方法研究设计了LIMS控制图功能模块,包括监测日期、样品类型、测试项目及方法、检测人员、质控样品数据等关键信息.以高效液相色谱法测定食品中苯甲酸和山梨酸含量为例,加入选定的质控样品,收集14个月的测试数据,利用LIMS分别自动生成均值(X)控制图、单值(I)控制图,观察其测试数据的离散程度.结果苯甲酸和山梨酸的检测数据均在X控制图和I控制图的上、下控制限之间,说明实验室在该期间使用高效液相色谱法测定食品中苯甲酸和山梨酸的测定结果准确、可靠.结论利用LIMS在线绘制控制图,可监控高效液相色谱法测定食品中苯甲酸和山梨酸的测定过程,该范本可复制推广,为衡量实验室的检测能力和开展质量监控提供参考依据.