Installation manual

VP100 Parts
and Accessories
58
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VP100 Continuous
Flow Vapor System
The Thermo Scientific VP100 Continuous Flow Vapor System performs hydride and mercury
vapor measurements with significant sensitivity improvement over normal flame techniques.
An air/acetylene flame or an electrically heated cell is used for atomization, avoiding the need
to use hydrogen as the fuel gas. The VP100 unit incorporates the reagent reservoirs, a variable
speed 4 channel peristaltic pump, control electronics and gas-liquid separator. An integrated
mass flow controller allows the carrier gas flow to be controlled and monitored through the
system software, and the continuous flow principle eliminates the need to clean the reaction
vessel after each sample. The VP100 operates automatically under Data Station Control and
can provide full autosampling operation with a suitable autosampler. When used with the
EC90 electrically heated atomization cell, unattended operation is possible.
The VP100 is compatible with all Thermo Scientific M Series and S Series AA spectrometers.
It is not compatible with earlier AA spectrometers. The VP100 requires SOLAAR software
v10.1, and spectrometer firmware v1.25, or higher.
If the VP100 is ordered with a spectrometer, the correct software will be supplied
automatically. If it is ordered as an upgrade to an existing spectrometer, the correct
software must also be ordered. (SOLAAR Software Upgrade 942343020001)
Standard Items
•
T Cell (2), Mercury Cell, Spare Pump Tubing, Spare Glass Beads, Spare Semi-permeable
Membrane
Necessary Additional Items:
An appropriate accessory mount is required to fit the long path mercury cell to the spectrometer.
Note: the use of the mercury cell is not obligatory; mercury can be measured using the
standard ‘T’ cell, which does not require an accessory mount.
For use on Mark 1 M Series instruments only, a STAT/T cell mount compatible with the
stainless steel burner will be required. (stainless steel part number 401399900271)
Absorption Cells
• Open ended, T-shaped silica cell. 120 mm long. 8 mm internal diameter
• Long path (150 mm) mercury absorption cell
Cell Heating: Air/acetylene flame on 50 mm universal burner
. Electrical heating using EC90.
Carrier/Purge Gas: Argon or nitrogen
Gas Inlet Pressure: 0.35 – 1 bar (5 - 14 psi)
Gas Consumption: Up to 500 mL/min.
Reducing Agents: Sodium borohydride. Tin (II) chloride may be used for mercury analysis
Solution Transport: Variable speed, 4 channel peristaltic pump, using continuous flow principle
Sampling Volume: 1 to 70 µL
Solution Flow Rates: Reductant – 3.2 mL/min. Sample - 7.8 mL/min.
Carrier Gas Flow Rates: Variable 50 – 500 mL/min. Electronic control via mass flow controller.
Reagent Containers: Two 1 Liter plastic bottles
Power: 220/240 V, 50 Hz or 110/120 V, 60 Hz
Power Consumption: 30 VA.
Dimensions (mm): 475 W x 300 H x 200 D. Dimensions (mm): 475 W x 300 H x 200 D.
Absorption Cells
• Open ended, T-shaped silica cell. 120 mm long. 8 mm internal diameter.
• Long path (150 mm) mercury absorption cell
Ordering Information
Description Part Number Price
VP100 Continuous Flow Vapor System 942346010001 CALL
Thermo Scientific