土壤重金屬檢測(cè)儀NX-200
NX-200可對(duì)土壤、水系沉積物等樣品類型中20多種重金屬元素進(jìn)行快速測(cè)試和篩查，儀器具有前處理簡(jiǎn)單、操作簡(jiǎn)便、便于攜帶，自帶鋰離子電池，可戶外作業(yè)等特點(diǎn)。

鋼研納克轉(zhuǎn)型得益于“應(yīng)用”基因
這一陣，鋼研納克檢測(cè)技術(shù)有限公司（以下簡(jiǎn)稱“鋼研納克”）重金屬檢測(cè)儀生產(chǎn)線忙得不可開交?！敖裉煸绯课覀冞€在開會(huì)，研究擴(kuò)大重金屬檢測(cè)儀的產(chǎn)能?！?鋼研納克檢測(cè)技術(shù)有限公司副總經(jīng)理陳吉文說。今年開始，隨著土壤普查項(xiàng)目的啟動(dòng)，第三方檢測(cè)機(jī)構(gòu)對(duì)土壤重金屬檢測(cè)儀的需求迅速升溫，體現(xiàn)在了鋼研納克的供不應(yīng)求。“在環(huán)境領(lǐng)域，我們的重點(diǎn)是重金屬和VOCs監(jiān)測(cè)?！标惣恼f。
對(duì)于土壤檢測(cè)，因?yàn)槠涔ぷ髁看?，?duì)效率的要求較高，對(duì)可現(xiàn)場(chǎng)操作、方便迅捷的快檢設(shè)備需求在也升溫。盡管沒有進(jìn)入環(huán)保部門下達(dá)的土壤普查技術(shù)文檔，但無須對(duì)樣品進(jìn)行前處理的XRF因其便于使用的優(yōu)勢(shì)，快速進(jìn)入了土壤檢測(cè)領(lǐng)域。鋼研納克的XRF產(chǎn)品土壤重金屬檢測(cè)儀就是其代表之一。鋼研納克NX-200系列土壤重金屬檢測(cè)儀。

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.

為解決土壤重金屬快檢難題，鋼研納克X熒光土壤重金屬分析儀NX-100S，NX-100S土壤重金屬分析儀能有效應(yīng)對(duì)國標(biāo)GB15618《土壤環(huán)境質(zhì)量 農(nóng)用地土壤污染風(fēng)險(xiǎn)管控標(biāo)準(zhǔn)》限定的八種重金屬檢測(cè)需求，短三分鐘可檢測(cè)26種元素。