Specifications multi N/C 2100S
110
11 Specifications
11.1 Technical data
General characteristics
Designation/type multi N/C 2100S
multi N/C 2100S pharma
Dimensions Basic device (W x H x D) (513 x 464 x 540) mm
Mass ca. 28 kg
Procedural data
Digestion principle Thermocatalytic oxidation
Digestion temperature up to 950 °C, depending on the catalyst
Catalyst
for liquid samples
for internal solids module
Pt(Al
2
O
3
) for multi N/C
CeO
2
(special catalyst for multi N/C)
Measuring method TC, TIC, TOC (differential method), NPOC, TN
b
Carbon detection NDIR (coupled with VITA method)
Nitrogen detection CLD
ChD (not for multi N/C 2100S pharma)
Sample volumes 50 – 500 µL.
Particle handling capacity according to DIN EN 1484
only for syringes suitable for particles
Sample Feed Direct injection via septum-free lock
Gas supply
(carrier gas /NPOC auxiliary
gas/auxiliary gas for injector lock)
Oxygen (at least 4.5)
Preliminary pressure 4 – 6 bar
or
Synthetic air (free of HC, free of CO
2
)
Synthetic/Purified air can be supplied from gas
cylinders or after clean-up of pressurized air by a
TOC gas generator.
Purity specifications to be met: CO
2
< 1 ppm
Hydrocarbons < 0,5 ppm (as CH
4
)
Supply pressure: min. 5 bar (72 psi)
Provided flow rate: min. 300 ml/min
Gas consumption:
in total
Analyte gas flow
Purge flow
Measuring gas flow for internal
solids module (optional)
approx. 15 l/h, dependent on the measuring mode
160 ± 10 ml/min
ca. 50 – 160 ml/min
400 ± 10 ml/min
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