Teledyne Leeman Labs - Hydra-C

Manufactured by  Teledyne Leeman Labs
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Mercury Analyzer

Teledyne Leeman Labs has expanded its popular Hydra Family of mercury analyzers to include the Hydra-C Mercury Analyzer. Hydra-C is designed to address the needs of analysts that want to use EPA's new method 7473 or that simply want to determine mercury without prior sample digestion.

The Hydra-C Mercury Analyzer is a fully automated mercury analyzer that permits the direct analysis of solid or liquid samples without the need for acid digestion.

The Hydra-C Mercury Analyzer is a highly refined instrument which incorporates numerous features that make its operation significantly more user friendly and sensitive than was available with earlier generation instruments.

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Features of Hydra-C
  • High Sensitivity - from Hydra's 25 cm long optical path
  • Extended Dynamic Range - with "Selectivity Select"
  • Simplified Sample Loading - the self-registering autosampler allows unrestricted rotation during sample loading. The optional on-line balance enables direct sample weight entry
  • Automated Scheduled Maintenance - tracks system usage and instructs the operator when maintenance is recommended
  • Ergonomic Design - provides easy access to decomposition and catalyst furnaces for ease-of-use
  • Versatile Software - Microsoft Windows' XP programming with navigation panel makes system operation a snap
  • 21CFR 11 Compliant Software - provides password-protected access control, electronic signatures, audit trail and data integrity
  • Compatible with Liquid Samples - Liquid as well as solids can be analyzed
  • Fast and Economical Service - The Hydra C's modular design allows easy exchange of furnace, spectrometer or autosampler modules
  • Reliable Sample Movement - Samples are moved with high precision, motor-driven mechanisms that prevent the acceleration/deceleration related losses that can occur with gas-driven mechanisms
  • Low Gas Consumption - Oxygen is used only as a carrier gas and not for pneumatic actuation
General Specifications
Depth 19 in w/AS
Height18.5 in w/AS
Width 19.5 in w/AS
Power Requirements 110/220 VAC, 50/60 H
Peak Power600 W
Weight44 lbs w/AS
Additional Specifications

Principle: Atomic Absorption with Thermal Decomposition

Source of light: Low pressure mercury lamp

Instrument control: External PC computer system

Hg wavelength: 253.65 nm

Detectors: UV enhanced photodiodes (2)

Detection limit: 0.005 ng

Working ranges: Automatic scale change
Dynamic range 0.05 ng - 1000 ng Hg
High range option >20,000 ng

Repeatability: <1.5 % @ 10 ng Hg

Average analysis time: 5 minutes

Sample treatment:

Drying time: 1 - 999 s

Decomposition time: 1 - 999 s

Waiting time: 1 - 999 s

Calibration: Standard solution or CRM

Number of standards: Minimum 2 (blank & high), maximum 100

Sample type: Liquid or solid

Maximum injection volume: 1400 Μl

Maximum sample weight: 1500 mg

Pre-concentration capability: 10 time maximum

Carrier gas: Oxygen

Input pressure: 15 Psi (100 kpa)

Peak flow: ~250 ml/min

Autosampler (AS)

Number of samples: 70, unlimited load on the fly programming

Sample types: Liquid or solid

Operating conditions

Temperature: 16 - 35°C

Relative humidit: Maximum 80% non-condensing

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