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| Instrument |
Hydra IIAA |
Hydra IIAF |
Hydra IIAF Gold |
Hydra IIC |
| Analytical Method Used |
Chemical reduction followed by cold vapor atomic absorption (CVAA) |
Chemical reduction followed by cold vapor atomic fluorescence (CVAF) |
Chemical reduction and Hg pre-concentration followed by cold vapor atomic fluorescence (CVAF) |
Thermal decomposition followed by amalgamation and atomic absorption
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| Recommended for: |
- Liquid samples
- Hg measured from low ppt to ppm levels
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- Liquid samples
- Hg measured from sub ppt to high ppb levels
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- Liquid samples
- When the lowest detection levels are required
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- Solid, semi-solid matrices
- Analysis without sample preparation
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| Detection Limit |
1 ppt |
0.1 ppt |
0.05 ppt |
0.001 ng |
| Usable Range |
1 ppt – 1 ppm |
0.1 ppt – 250 ppb |
<0.05 ppt – 250 ppb |
0.001 ng – 1500 ng; <25,000 ng with extended range option |
Key Capabilities
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| High Performance Gas/Liquid separator |
Y |
Y |
Y |
NA |
| Easy access ?on the fly? sample introduction system |
Y |
Y |
Y |
Y |
| Dual cell detection system for wide dynamic range |
Y |
N |
N |
Y |
| Built in high concentration protection system |
Y |
Y |
Y |
NA |
| Flow through rinse to minimize carryover even at ultra-low levels |
Y |
Y |
Y |
NA |
| Counter-flow NafionŽ membrane dryer tominimize vapor formation in detector cells |
Y |
Y |
Y |
Y |
| Can be reconfigured to liquids analysis |
NA |
NA |
NA |
Y |
| Can be reconfigured to solids analysis |
Y |
N |
N |
NA |
| Ultra-trace analysis mode with gold amalgamation for lower detection levels |
NA |
N |
Y |
Y |
Regulatory and/or ?Standard? Methods ? System Selection Guide
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| (US) EPA 245.1 |
X |
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| (US) EPA 245.5 |
X |
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| (US) EPA 245.6 |
X |
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| (US) EPA 245.7 |
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X |
X |
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| (US) EPA 7470A |
X |
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| (US) EPA 7471B |
X |
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| (US) EPA 7473 |
X |
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| (US) EPA 1631E |
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X |
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| ASTM D6722-01 |
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X |
| EN 1483 |
X |
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| EN 13806 |
X |
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| EN 13506 |
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X |
X |
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| EN 12338 |
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X |
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| EN 17582 |
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X |
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