Products & ReviewEnvironmental

CN 802 - Carbon Nitrogen Elemental Analyzer

The CN 802 combustion elemental analyzer is a versatile, cloud-enabled and fully automatic solution for carbon and nitrogen determination for a wide range of applications. The CN 802 offers high performance on both solid and liquid samples, working following international standards such as AOAC, AACC, ASBC, ISO, DIN, IFFO, OIV, ASTM, EPA.

Velp Scientifica

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Description

The CN 802 is a fast, versatile, cloud-enabled elemental analyzer for Carbon and Nitrogen determination on organic matrices with Helium and Argon as carrier gas.

Rapid C/N Determination
The CN 802 performs analysis of both carbon and nitrogen from 3 to 5 minutes. The quick start and sleeping mode ensure fast operation set up with the possibility of leak test per zone.

Flexible
Fully automatic determination of TC, TN and Carbon/Nitrogen Ratio on solid and liquid samples. Determination of TOC and TIC after external acidification.

Precise
The NDIR (Non-Dispersive Infrared) detector and LoGas™ TCD (Thermal Conductivity Detector) designed by VELP guarantee unmatched precision and unrivaled LOD.

Efficient

  • The fully automatic and reliable combustion method of CN 802 together with DriStep™ water trap guarantees moderate cost.
  • The 30-positions disc autosampler expandable with extra 3 discs ensures maximum productivity and uptime.

Versatile
The CN 802 works with solid, liquid and doughy samples of up to 1 gram. Seamless carrier gas selection between Helium and Argon without hardware changes and with no memory effect.

Smart & Safe
The CN 802 is easy to use thanks to the user-friendly CNSoft™ software which is equipped with maximum safety control of the instrument. VELP Ermes connection will deliver a new user experience, smart workflows and a unique service and application support remotely.

Brochures

Meet the new CHNS-O elemental analyzer

Discover the new easy-to-use VELP micro elemental analyzer, designed and engineered for premium reliability and precision. The EMA 502 Elemental Analyzer CHNS-O is a brand-new solution for the determination of carbon, hydrogen, nitrogen, sulfur, and oxygen in various industrial sectors such as pharma and life science, organic chemistry, petrochemistry and energy, environmental, agronomy, food and feed.


Application NoteGeneral Lab

Characterization of different forms of nitrogen in liquid fertilizers with UDK169 automatic distillation and titration system

In this application note, VELP Scientifica outlines methods for determining different forms of nitrogen in liquid fertilizers. The methods involve specific procedures using substances like magnesium oxide, Devarda’s alloy, and urease solution. These processes liberate ammonia from various nitrogen sources in the fertilizer. The automatic and simultaneous distillation and titration steps, facilitated by systems like UDK169, provide comprehensive results, including ammonia nitrogen.


Application NoteGeneral Lab

Carbon and nitrogen determination in liquid fertilizers with CN802 carbon and nitrogen analyzer

In this application note, VELP Scientifica describes an elemental analysis process for liquid fertilizers. The analysis involves a combustion furnace (CF) to burn the sample and obtain elemental compounds. Water is removed through physical and chemical traps, and elemental substances pass through a reduction furnace (RF). VELP's exclusive Non-Dispersive Infrared NDIR Detector accurately measures CO2 concentration, converted into carbon quantity. Auto-regenerative CO2 absorbers allow only elemental nitrogen to pass, detected by the LoGas Thermal Conductivity Detector (TCD) without needing a reference gas. This analysis is crucial for maintaining expected yields and ensuring a healthy crop in agriculture, especially considering the advantages of liquid fertilizers over traditional granular ones.


Application NoteEnvironmental

Total carbon and total organic carbon determination in sludge

In this application note, Velp Scientifica evaluates the performance of the VELP CN 802 by participating in the Proficiency Testing program organized by WEPAL (Wageningen Evaluating Programs for Analytical Laboratories). Samples of sewage sludge were analyzed using the CN 802 and the results obtained (as % Nitrogen) were compared with the statistical range accepted by WEPAL.

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