便携式土壤重金属测试仪厂家

更的配置
1：微型光管、SDD探测器、微型数字多道处理器及智能分析模块核心技术的引入，使其具有台式相近的测试精度。
2：采用主频及大内存，超大存储空间，可存储数据。全新的数字多道技术，每秒有效采谱计数可达500kcps。
3：准直滤波系统，其组合达到限12组，满足客户的不同条件下的检测需求。
4：内置500万像素高清晰摄像头，随时观察样品测试位置，使测量更加。

Multi-elemental Analysis by NCS NX-200 Energy Dispersion X-ray Fluorescence Spectrometry and Its Application on the Traceability of Soybean
Origin
a College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China
b Institute of Quality Standard and Testing Technology for Agro-products, Chinese Academy of Agricultural Sciences, and Key Laboratory of Agro-food Safety and Quality, Ministry of Agriculture and Rural Affairs, Beijing 100081, China
Accepted:
Feb. 6, 2020; Published: Feb. 25, 2020.
Considering the lower analytical sensitivity, numerous ED-XRF manufacturers are committed to improve the instrumental performance.37 For example, the NX-100S ED-XRF from NCS Testing Technology Co., Ltd.(Beijing, China) have been reported to detect Cd in soil and food samples as low as < 0.1 mg kg-1. These ED-XRF instruments can be attached to a car or be loaded into a special suitcase for on-site use with a battery.
Therefore, in this work, a miniaturized ED-XRF was used for the multi-elemental analysis of soybean samples from five main producing areas in northern China (the
Heilongjiang, Liaoning, Inner Mongolia, Xinjiang, and Henan provinces) after establishing instrumental optimization and calibration. To analyze the analytical
results, the multi-layer perceptron belonging to artificial neural network was carefully studied and utilized to establish a provenance model. The ED-XRF proved to be
effective and efficient to measure micro and trace multi-elements for the fast identification of soybean origin.

■ 操作简便，一键傻瓜式测试；
■ 方便携带，可实现普通轿车车载运输；
■ NX-200土壤重金属分析仪可以对土壤中的重金属元素进行测试；
■ 前处理简单，可直接对土壤样品进行检测；
■ NX-200土壤重金属分析仪无需任何耗材；
■ 批量检测，可以与多达 84 位的自动进样器联用。