HS 55 (Batch Mode)
Specifications
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10
Specifications
10.1 Technical data
General characteristics
Designation/type
HS 55
Dimensions (W x H x D)
360 x 370 x 240 mm
Mass
14 kg
Procedural data
Mode
Batch mode (discontinuous)
Detectable elements
As; Bi; Hg; Sb; Se; Sn; Te
Methods
(depending on the configuration)
¡
Hydride method
¡
Hg cold vapor method without enrich-
ment
¡
Hg cold vapor method with enrichment
¡
HydrEA method
Reduction agent
NaBH
4
1.0 % with NaOH 0.3 %
Alternatively: SnCl
2
2 to 5 % (only for Hg de-
tection)
Main functional groups
Cell unit
Heating: electric, temperature consistency:
±10 °C
Temperature for hydride-forming elements:
600 to 950 °C
Temperature for Hg: room temperature or
150 °C
Absorption cells
Quartz cells with removable quartz windows:
length 140 mm, ID 15 mm
Hg cell (optional): length 200 mm
1-channel hose pump
Reduction agent transport
Ismaprene hose ID = 2.06 mm, pump speed:
adjustable in 4 stages
Reaction unit
Batch module: PTFE beaker with conical bot-
tom
Hg Plus Upgrade Modul (optional)
Gold collector: with 0.5 g gold/platinum alloy
AuPt as a fine mesh
Bake-out temperature: 630 °C, controlled
Cooling: axial fan
Sample supply
Sample supply to the AAS (HydrEA system)
Autosampler for the graphite tube method
AS-GF
Gas supply
Gas, purity
Argon 5.0
Inlet pressure
600 kPa
Working pressure
150 kPa