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14 metrohm co2 suppressor (mcs), 15 conductivity measuring system, 13 high capacity metrohm suppressor module – Metrohm 850 Professional IC MSM-HC MCS Prep 3 User Manual

Page 135: Msm-hc), 14 metrohm co, Suppressor (mcs)

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7 Technical specifications

850 Professional IC Anion – MSM-HC – MCS – Prep 3

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125

7.13

High Capacity Metrohm Suppressor Module
(MSM-HC)

Resistance to sol-
vents

No restriction

Switching dura-
tion

typ.100 ms

Operating pres-
sure

2.5 MPa (25 bar), valve function prevents damage at overpressure

7.14

Metrohm CO

2

suppressor (MCS)

Material

fluoropolymer

Resistance to sol-
vents

No restriction (apart from PFC)

Vacuum

Working range

Microprocessor-controlled / stabilized

Build-up time
after start

< 30 s

Capillary volume

400 µL

Recommended
flow range

0.1…1.0 mL

7.15

Conductivity measuring system

Type

Microprocessor-controlled Digital Signal Processing (DSP technol-
ogy)

Intelligent detector with 6 reference chromatograms

Measuring range

0…15000 µS/cm single range

Noise

< 0.1 nS at 1 µS/cm

Deviations from
the linearity

< 1 % for conductivity values greater than 1…16 µS/cm (typical for
analyses with sequential suppression)

Drift

< 0.2 nS/cm per hour

Measuring rate

10 measurements per second for optimum results without filtering

Resolution

0.0047 nS/cm

Baseline

Noise < 0.2 nS/cm typical for sequential suppression