光谱纯（Spectrography）试剂通常是指经发射光谱法分析过的、纯度较高的试剂。光谱纯试剂是以光谱分析时出现的干扰谱线的数目及强度来衡量的，即其杂质含量用光谱分析法已测不出或杂质含量高于某一限度标准。
... spectral photometry 光谱光度学，分光光度测量学 spectral purity 光谱纯(度) spectral quantum radiance 光谱量子辐射率 ...
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以光谱纯试剂做标准系列，氦气光路，X RF法测定工业循环水中硫和氯。
Sulphar and chlorine in industrial circulate water were determined by XRF with the spectrum pure reagent, in helium light way.
绿色环保型的半导体电光源，光线柔和，光谱纯，有利于人们的视力保护和身体健康。
Green environmental protection of semiconductor electric light source, the light is downy, spectrum pure, be helpful for people of visual acuity protection and healthy.
光热技术可以提供纯光学光谱学所无法提供的、类似光-热能量转换效率之类的信息。
Photothermal techniques can provide the information that pure optical spectroscopy is not able to give, such as optical-to-thermal energy conversion efficiency.
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