Elementar分析仪器在农业方面的应用.ppt

Elementar元素分析仪在农业、土壤领域的应用 德国Elementar公司凭借其分析仪器制造上悠久的历史和燃烧分解方面独特的技术优势，设计和制造了一系列元素分析领域的必威体育精装版仪器。 各种模式和不同适用范围的元素分析仪已在数量上和全球覆盖面上逐渐形成了优势。 本文叙述了Vario 系列元素分析仪在农业、土壤、食品、地质、海洋等研究和生产领域的使用。同时也介绍了与之相接近的各种新型总有机碳分析仪。 主要内容： 1. Vario EL系列元素分析仪结构、原理及性能。 2. Vario MAX系列CN、CNS各种模式的特殊设计和应用。 3. 总有机碳分析仪。 4. 必威体育精装版的Vario MAX元素分析仪与同位素比质谱联用。 Elementar Analysensysteme GmbH The vario Family of Elemental Analyzers by ELEMENTAR History ofElemental analysisDennstedt apparatus (1904) Principle of Nitrogen Determination acc. to Dumas (approx. 1900) Principle of Nitrogen Determination acc. to Dumas (approx. 1900) - Continued - Principle of modern organic elemental analysis (Determination of C H N S) (continued) The vario Family of Elemental Analyzers by ELEMENTAR Despite of special features of the individual members of the vario family, there are common properties which are characteristic for the performance of all vario analyzers. Common Features of the vario Analyzers by ELEMENTAR Common Features of the vario Analyzers by ELEMENTAR Functional diagramvario EL III vario EL III Sample preparation Carrousel CN determination in soil with the vario EL III CNS determination in soilwith the vario EL III CNS determination in spruce needles with the vario EL III CN determination in soil with the vario EL III CN determination in glass fibre filters with the vario EL III vario EL - IRMS rapid N III Functional diagramrapid N III Protein Determinationwith rapid N Selection of Tubes Sample preparation Sample preparation vario MAX Functional diagramvario MAX CN Functional diagramvario MAX CNS Sample preparation Sample feeding Carrousel Gripper crucible Application areas vario MAXN measurements vario MAXN measurements vario MAXCN measurements vario MAXCN measurements vario MAXCNS measurements vario MAX - IRMS liquiTOC Flowchart 流程图 Available parameters一次进样可测定的6种参数 TIC = Total Inorganic Carbon 总无机碳 TC = Total Carbon 总碳 TNb = Total bound Nitrogen 总化合氮 NPOC = Non- purg