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De RCV-waarde
=RCF (eng) of RCB (dui)
De relatieve centrifugale versnelling wordt als een veelvoud van
de versnelling bij vrije val g aangegeven (1g=9.81 m/s²). Het
betreft een getalwaarde zonder eenheid, die tot doel heeft het
scheidings- of sedimentatievermogen van verschillende apparaten
te vergelijken. De RCV-waarde is immers onafhankelijk van
het type apparaat. Ze houdt enkel rekening met de rotorradius (as
tot punt) en het toerental:
RCV =11,18 x (n/1000)2
x r
Of
RCV
n =
1.118 x 10-5
x r
r = rotorradius in cm
n = toerental in min-1
Bron: Heraeus handleiding multifuge 3
Dus: wanneer wordt gewisseld van centrifuge dan kan dat alleen
als RCV-waarde hetzelfde is ingesteld. Alleen dan weet je zeker
dat de sedimentatie hetzelfde is.
De RCV-waarde wordt meestal door moderne centrifuges (zoals de
Heraeus handleiding multifuge 3 op het afbreeklab) zelf berekend
als het typenummer van de rotor en het toerental wordt ingesteld.

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De Rcv Waarde

  • 1. De RCV-waarde =RCF (eng) of RCB (dui) De relatieve centrifugale versnelling wordt als een veelvoud van de versnelling bij vrije val g aangegeven (1g=9.81 m/s²). Het betreft een getalwaarde zonder eenheid, die tot doel heeft het scheidings- of sedimentatievermogen van verschillende apparaten te vergelijken. De RCV-waarde is immers onafhankelijk van het type apparaat. Ze houdt enkel rekening met de rotorradius (as tot punt) en het toerental: RCV =11,18 x (n/1000)2 x r Of RCV n = 1.118 x 10-5 x r r = rotorradius in cm n = toerental in min-1 Bron: Heraeus handleiding multifuge 3 Dus: wanneer wordt gewisseld van centrifuge dan kan dat alleen als RCV-waarde hetzelfde is ingesteld. Alleen dan weet je zeker dat de sedimentatie hetzelfde is. De RCV-waarde wordt meestal door moderne centrifuges (zoals de Heraeus handleiding multifuge 3 op het afbreeklab) zelf berekend als het typenummer van de rotor en het toerental wordt ingesteld.