| Measuring principle: |
UV-Absorption, cold vapor technique (CVAAS) |
| Analytical wavelength: |
253,7 nm |
| UV source: |
Electrodeless low-pressure mercury discharge lamp |
| Stabilization method: |
Reference beam technique |
| Optical cell: |
Entirely made of fused silica, ca. 230 mm length |
| Optical cell heating: |
Approx. 50° C |
| Stripping gas: |
argon (optional nitrogen), 4-6 l/h,stabilized with electronic mass flow controller |
| Autosampler: |
53 place random access, turntable-type |
| Sample vials: |
10 ml, glass; aluminium foil disc covers as accessory |
| Heating coil temperature: |
ca. 98° C |
| Detection limit: |
< 80 pg Hg |
| Measuring range: |
10 ng/l ... 50 µg/l (GoldTrap off); 1 ng/l ... 5 µg/l (GoldTrap on) |
| Zero drift: |
Auto zero before each measurement |
| Measuring duration: |
Typical 60 - 280 seconds |
| Software: |
AULA-WIN, Windows®based |
| Electrical power supply: |
115 V / 230 V~; 50 - 60 Hz, consumption ca. 100 W
(AULA 254-ASD: 120 W) |
| Dimensions: |
approx. 37 x 38 x 44 cm (WxHxD)
|
| Bench space requirements: |
50 x 70 cm (W x D), excl. PC |
| Weight: |
Approx. 14 kg total (excl. PC) |
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As a leading supplier of high precision analytical equipment, we strive at all times to offer top quality solutions. Our products are manufactured according to the ISO 9001 quality regulations. |
