红外吸收光谱仪
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通过红外吸收光谱仪和气相色谱仪对产品及中间体进行了研究和表征。
The product and its intermediates were tested by infrared absorption spectrum and gas chromatography and characterized .
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采用傅里叶变换红外吸收光谱仪和石墨炉原子吸收光谱仪对不同颜色的淡水、海水珍珠样品进行了对比研究。
The freshwater and seawater pearl samples with different colours are investigated by using Fourier transform infrared ( FTIR ) spectrometer and graphite furnace atomic absorption spectrometer ( GFAAS ) .