Some commercial spectrophotometers can be fittedwithscale-expansionattachmentsforthis purpose,buttheytendtobesomewhatcomplicated andexpensive,andtorequireseveraladjustments tobringthemintooperation.
Some commercial spectrophotometers can be fittedwithscale-expansionattachmentsforthis purpose,buttheytendtobesomewhatcomplicated andexpensive,andtorequireseveraladjustments tobringthemintooperation.