Hitachi ChromasterUltra Rs 6270 Instruction Manual page 77

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(g)
vd: Dead volume (the instrument inside parameter)
vi: Injection volume (the sample net volume to the flow path)
vf: Feed volume (the wash fluid volume to deliver a sample to the loop)
va: Air volume (the air volume which sample is sandwiched.)
Figure 2-33 Discharging the Sample into the Sample Loop
Loading a sample
The syringe discharges the feed volume (vf) + injection
volume (vi) + air volume (va) + dead volume (vd) of
sample into the sample loop.
2 - 37
2.2.3

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