TY - ADVS AU - Hughes,Jenny TI - Spectroscopy PY - 1981/// CY - England PB - An Open University Production KW - Spectrometer KW - Calibration KW - Absorbance scale (spectroscopy) KW - Potassium dichromate KW - Ultraviole spectrometry N1 - Copy available in DVD format; Speaker: Keith Bolton ER -