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| Secondary Spectrophotometer Calibration Standard / 2차 흡광 셀 측정 표준 |
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■ Wavelength와 Photometic Accuracy의 확인용
■ Absorbance in visible range: 440, 465, 546, 590, 635nm wavelength
■ Wavelenth in the UV and Visible Range: 279.3, 360.9, 453.5, 536.3, 637.6nm
■ Hellma |
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