Appendix 3. Glossary - Hitachi PRIMAIDE 1440 Instruction Manual

APPENDIX 3. GLOSSARY

Initial screen ..................................After power on, the initial screen appears upon completion
Auto zero [A/Z] ...............................Absorbance is electrically adjusted to zero to cancel
Auto zero in ...................................The external contact signal can be input for auto-zero
Off Set ...........................................On output, a preset input signal value is added to an
Diffusion plate ................................A quartz plate. Used for diffusion of excitation beam.
Xenon Lamp ..................................Used for fluorescence measurement.
Key Lock ........................................This protective function prevents an erroneous key input
GLP ...............................................The confidence function is used to check the status of
Fluorescence .................................A kind of luminescence, which is emitted from a sample
Emission (Fluorescence) intensity ....... Unit of fluorescence (Relavive intensity)
Emission (Fluorescence) wavelength .. A particular wavelength of fluorescence emission
rd
3 -order light ................................ A spectral peak (a kind of scattered light) which appears at
Scattered light................................Raman scattered light, 2
Output range .................................Used to determine the magnitude of output signal to such
of initialization.
insignificant parts of data. In common analytical practice,
perform auto zero adjustment immediately before or after
the start of operation.
adjustment.
actually measured value. This function is particularly
useful when the baseline varies on the negative side.
during operation of the instrument.
instrument.
when a stimulating excitation beam is given to it.
caused by excitation.
a wavelength of 3 times the level of excitation intensity.
In a common arrangement, a filter is used to remove or cut
off the 3rd-order scattered light.
an external device as data processor.
APPENDIX 3 - 1
nd rd
-order light, and 3 -order light.