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Manufacturer
LECO
LECO
In 1936, the Laboratory Equipment Company introduced the first rapid carbon determinator for the American iron and steel industry. Today, almost 80 years later, LECO is recognized globally as a leader in the development of high-quality analytical instrumentation, mass spectrometers, comprehensive two-dimensional chromatography, metallography & optical equipment as well as consumables.
Distributor
LECO Instrumente Plzeň
LECO is a family-owned global leader in elemental and thermal analysis, mass spectrometry, chromatography, and metallography, delivering instruments, support, and training to labs worldwide since 1936.
LECO TruSpec Micro CHN/CHNS/OTruSpec Micro provides fast, reliable CHN, CHNS, and optional oxygen analysis of micro samples with low cost-per-analysis, robust design, and rapid results in as little as 4 minutes.
Features

LECO TruSpec Micro CHN/CHNS/O

The TruSpec Micro delivers high-performance determination of carbon, hydrogen, nitrogen, sulfur, and oxygen in solid or liquid micro samples. Its integrated design combines speed, robustness, and low maintenance to provide reliable and consistent elemental analysis, even for demanding laboratory workflows.

LECO: TruSpec Micro CHN/CHNS/OLECO: TruSpec Micro CHN/CHNS/O

Key Features

  • Optimal performance for CHN, CHNS, and optional oxygen determination in micro samples
  • Low cost-per-analysis with minimal reagent consumption
  • Nominal sample mass of 2 mg, ideal for limited or valuable samples
  • Rapid analysis times (approximately 4 minutes for CHN/CHNS)
  • Reduced downtime and maintenance due to robust system design
  • Supports compliance with 21 CFR Part 11 regulations
  • Optional oxygen module enables independent oxygen determination using high-temperature pyrolysis at 1300 °C, with analysis times of about 2 minutes

Theory of Operation

The TruSpec Micro CHN and CHNS systems achieve their efficiency and speed through a flow-through carrier gas design combined with highly selective infrared (IR) and thermal conductivity (TC) detectors.

A weighed micro sample is placed into the autoloader and automatically introduced into a high-temperature combustion furnace. During combustion, carbon is converted to CO₂, hydrogen to H₂O, nitrogen to N₂, and sulfur to SO₂. The resulting gases are swept from the furnace through scrubbing reagents and directed to the detection system as they are released. Independent IR detectors simultaneously measure carbon, hydrogen, and sulfur, while nitrogen is quantified using a thermal conductivity detector. The complete CHN or CHNS analysis cycle is finished in approximately four minutes.

LECO: TruSpec Micro CHN/CHNS/OLECO: TruSpec Micro CHN/CHNS/O

Optional Oxygen Determination

The micro oxygen add-on module extends the TruSpec Micro’s capabilities to oxygen analysis in organic matrices and is compatible with both CHN and CHNS configurations. Samples are introduced into a dedicated high-temperature pyrolysis furnace, where oxygen reacts in a carbon-rich environment to form CO. The CO is then converted to CO₂ and measured by an infrared detector. Oxygen analysis is completed in roughly one to two minutes, depending on configuration.

Models

  • TruSpec Micro CHNS – Carbon, Hydrogen, Nitrogen, and Sulfur determination
  • TruSpec Micro CHN – Carbon, Hydrogen, and Nitrogen determination

Options

  • Sulfur add-on module
  • Oxygen add-on module
Manufacturer
LECO
LECO
In 1936, the Laboratory Equipment Company introduced the first rapid carbon determinator for the American iron and steel industry. Today, almost 80 years later, LECO is recognized globally as a leader in the development of high-quality analytical instrumentation, mass spectrometers, comprehensive two-dimensional chromatography, metallography & optical equipment as well as consumables.
Distributor
LECO Instrumente Plzeň
LECO is a family-owned global leader in elemental and thermal analysis, mass spectrometry, chromatography, and metallography, delivering instruments, support, and training to labs worldwide since 1936.
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