REPORT FOR ANALYTICAL CHEMISTS
KJELDAH L APPARATUS
.-_ W 1 II ι W|| FOCUSSING LENS # · . ' . . • · " « HOLLOW * * i ^ " ? . M * CATHODE
for protein determination
POWER SOURCE for HOLLOW CATHODE Figure 3.
'
Atomic absorption equipment developed by A. Walsh
LABCONCO Figure 4 .
Hilger atomic absorption equipment
FOCUSSING LENS and CHOPPER
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ANALYTICAL CHEMISTRY
Figure 5.
Modified Perkin-Elmer Model 13
