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能量色散X荧光光谱仪检测原理及应用

<p style="box-sizing: border-box; margin: 0px 0px 16px; color: #222222; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; background-color: #ffffff; line-height: 15px;"><span style="box-sizing: border-box; font-family: 微软雅黑, 'sans-serif'; font-size: 12pt;">一、工作原理</span></p> <p style="box-sizing: border-box; margin: 0px 0px 16px; color: #222222; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; background-color: #ffffff;"><span style="font-size: 12pt;"><span style="box-sizing: border-box; font-family: 微软雅黑, 'sans-serif';">每个元素受高能辐射激发,即发射出具有一定特征的</span>X<span style="box-sizing: border-box; font-family: 微软雅黑, 'sans-serif';">射线谱线。通过软件测试分析得出该谱线波长,即可知道是那种元素(定性);通过分析测试其强度,得出该元素含量(定量)。</span>X<span style="box-sizing: border-box; font-family: 微软雅黑, 'sans-serif';">荧光光谱分析是一种非常常见的分析技术,其分析原理图如下:</span></span></p> <p style="box-sizing: border-box; margin: 0px 0px 16px; color: #222222; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; background-color: #ffffff;"><span style="box-sizing: border-box; font-family: 微软雅黑, 'sans-serif'; font-size: 12pt;">二、应用领域</span></p> <p style="box-sizing: border-box; margin: 0px 0px 16px; color: #222222; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; background-color: #ffffff;"><span style="font-size: 12pt;"><span style="color: #236fa1;"><a style="color: #236fa1;" title="能量色散型X射线荧光光谱仪(XRF)" href="https://www.kexingtest.com/instrument/detail?id=199" target="_blank" rel="noopener">X</a></span><span style="box-sizing: border-box; font-family: 微软雅黑, 'sans-serif';"><span style="color: #236fa1;"><a style="color: #236fa1;" title="能量色散型X射线荧光光谱仪(XRF)" href="https://www.kexingtest.com/instrument/detail?id=199" target="_blank" rel="noopener">荧光光谱仪</a></span>作为一种常见的分析技术手段,在现实生活中有着非常广泛的应用,主要可以分为以下四大类:</span></span></p> <p style="box-sizing: border-box; margin: 0px 0px 16px; color: #222222; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; background-color: #ffffff;"><span style="font-size: 12pt;">1.<span style="box-sizing: border-box; font-family: 微软雅黑, 'sans-serif';">镀层行业</span></span></p> <p style="box-sizing: border-box; margin: 0px 0px 16px; color: #222222; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; background-color: #ffffff;"><span style="font-size: 12pt;"><span style="box-sizing: border-box; font-family: 微软雅黑, 'sans-serif';">电镀行业尤其以工业电镀为主,在工业生产中,通常我们为了产品尤其是金属类能达到一定的性能会在其表面镀上另一种金属,这种金属电镀的膜厚往往是受管控,而</span>X<span style="box-sizing: border-box; font-family: 微软雅黑, 'sans-serif';">荧光光谱仪就是其管控者。</span></span></p> <p style="box-sizing: border-box; margin: 0px 0px 16px; color: #222222; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; background-color: #ffffff;"><span style="font-size: 12pt;">2.<span style="box-sizing: border-box; font-family: 微软雅黑, 'sans-serif';">重金属检测</span></span></p> <p style="box-sizing: border-box; margin: 0px 0px 16px; color: #222222; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; background-color: #ffffff;"><span style="font-size: 12pt;"><span style="box-sizing: border-box; font-family: 微软雅黑, 'sans-serif';">我们的衣服帽子、喝水的杯子、小孩的玩具等等这些都跟我们有着紧密的关联,但这其中也许就含有对我们人体是有害的重金属,如</span>Cr<span style="box-sizing: border-box; font-family: 微软雅黑, 'sans-serif';">、</span>Br<span style="box-sizing: border-box; font-family: 微软雅黑, 'sans-serif';">、</span>Cl<span style="box-sizing: border-box; font-family: 微软雅黑, 'sans-serif';">、</span>Pb<span style="box-sizing: border-box; font-family: 微软雅黑, 'sans-serif';">、</span>Hg<span style="box-sizing: border-box; font-family: 微软雅黑, 'sans-serif';">、</span>Cd<span style="box-sizing: border-box; font-family: 微软雅黑, 'sans-serif';">、</span>As<span style="box-sizing: border-box; font-family: 微软雅黑, 'sans-serif';">等长期接触会导致人体的病变甚至死亡,为了使用安全,工业生产时需对产品重金属检测管控(</span>RoHS<span style="box-sizing: border-box; font-family: 微软雅黑, 'sans-serif';">检测),而</span>X<span style="box-sizing: border-box; font-family: 微软雅黑, 'sans-serif';">荧光仪器就能对其进行监测。</span></span></p> <p style="box-sizing: border-box; margin: 0px 0px 16px; color: #222222; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; background-color: #ffffff;"><span style="font-size: 12pt;">3.<span style="box-sizing: border-box; font-family: 微软雅黑, 'sans-serif';">元素成分分析</span></span></p> <p style="box-sizing: border-box; margin: 0px 0px 16px; color: #222222; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; background-color: #ffffff;"><span style="font-size: 12pt;"><span style="box-sizing: border-box; font-family: 微软雅黑, 'sans-serif';">元素成分分析应用也是更加广泛,如岩石矿产的开发开采,钢铁、铜合金、铝合金等可能因某一种元素的含量不同就会大大改变其物理性质,为达到这种物理性质就需要控制相关元素的含量,通过</span>X<span style="box-sizing: border-box; font-family: 微软雅黑, 'sans-serif';">荧光仪器的检测就可以很好的生产出我们所需的物品,另外还可以利用成分分析原理对珠宝首饰进行真假鉴定。</span></span></p> <p style="box-sizing: border-box; margin: 0px 0px 16px; color: #222222; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; background-color: #ffffff;"><span style="font-size: 12pt;">4.<span style="box-sizing: border-box; font-family: 微软雅黑, 'sans-serif';">古董的检测</span></span></p> <p style="box-sizing: border-box; margin: 0px 0px 16px; color: #222222; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; background-color: #ffffff;"><span style="font-size: 12pt;">X<span style="box-sizing: border-box; font-family: 微软雅黑, 'sans-serif';">荧光仪器在古董的检测鉴定上也起着重要的作用,通过仪器检测对产品进行定性分析可得其元素成分,从而对产品的年限进行一个判断,得出结论。</span></span></p> <p style="box-sizing: border-box; margin: 0px 0px 16px; color: #222222; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; background-color: #ffffff;"> </p>