the flows are joined and mixed in
a PTFE capillary; small bubbles of gaseous products (hydrogen + hydride) are formed; the
flow of liquid and gas enters the gas-liquid separator and the gaseous phase is transferred
with carrier gas (N2 or Ar containing traces of oxygen) to the atomizer, where the hydride
is atomized and a steady-state absorbance is recorded
2. batch generators – use a container (flask) as a reactor; to the sample dose in the reactor
the borohydride reagent is injected and the gaseous products are delivered by the carrier
gas flow to the atomizer; the peak of absorbance is recorded
3. flow injection generators – a certain volume of the sample is injected into the flow of
carrier liquid (HCl solution), the flow is mixed with the flow of the borohydride solution;
after the reaction, gas separation and atomization an absorbance peak is recorded.