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Nitrogen and protein analyzer rapid N exceed
rapid N exceed®
NITROGEN AND PROTEIN ANALYZER
PLANT TO PLATE
Nitrogen and protein analysis along the whole production chain of plant-based food
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Time to rethink protein analysis

Experience fast, precise, cost-saving, and eco-friendly nitrogen and protein analysis with rapid N exceed. The nitrogen and protein analyzer operates according to the safe, simple, and eco-friendly Dumas combustion method and offers fast (3-4 minutes) and cost-effective nitrogen and protein determination of samples up to 1.5 g. The rapid N exceed is optimized for unattended, high-throughput nitrogen and protein analysis and stands for absolute precision and high detection sensitivity.

Highlights of the rapid N exceed

Highest sample throughput

up to 300 analyses per day due to fast analysis (3-4 min.) and easy maintenance

Lowest cost per sample

thanks to the use of EAS REGAINER® technology and CO2 as carrier gas

Absolute accuracy

by unique combustion and blank-free sample introduction

Simple and fast maintenance

with the pre-filled EAS REDUCTOR® and instrument design

Features

Highest sample throughput thanks to fast analysis

The rapid N exceed offers the fastest nitrogen and protein determination in less than four minutes. Its autosampler, which is reloadable at any time, offers automated analysis for measurements of up to 300 samples per day. Due to the innovative EAS REGAINER® technology, more than 2,000 samples can be run without the need to exchange the reducing agent. Also designed for maximum system uptime is the rapid N exceed’s large ash finger. All this results in outstanding low maintenance intervention for industry-leading system uptime in nitrogen and protein analysis

Lowest cost per sample thanks to EAS REGAINER® technology and CO2 as carrier gas 

A major cost factor of traditional Dumas nitrogen and protein analyzers is the reduction metals needed to bind excess oxygen and convert nitrogen oxides to molecular nitrogen. With our innovative patented EAS REGAINER® technology incorporated into our rapid N exceed, this cost has been greatly reduced. In continuous flow, the reducing agent EAS REDUCTOR® is regenerated during each combustion phase by the inexpensive EAS REGAINER®, enabling the analysis of up to 2,000 samples before replacing the EAS REDUCTOR® is necessary. Together with the use of carbon dioxide as inexpensive carrier gas, the rapid N exceed realizes the lowest cost per sample in nitrogen and protein analysis. 

Absolute accuracy due to unique post-combustion and ball-valve technology for injection

The rapid N exceed guarantees outstanding precision and accuracy in nitrogen determination. A blank-free sample introduction is ensured using the patented ball valve technology. Thanks to the controlled oxygen jet-injection directly into the active zone and the industry-proven, catalytic post-combustion, a complete oxidation of the sample is ensured, even for samples hard to combust. The rapid N exceed delivers matrix-independent results and offers absolute accuracy and full recovery.

Simple and fast maintenance through design and pre-filled combustion tubes 

Fastest exchange of combustion tubes is guaranteed with our plug-and-play pre-filled EAS REDUCTOR® tube and slide-out furnace for a comfortable working posture and giving access to all important parts. Whenever maintenance is necessary, our user-friendly clamp connections system ensures a tool-free maintenance experience, saving valuable time. 

Future-proof thanks to 10 years guarantee

Thanks to the outstanding robustness and longevity of our rapid N exceed, we grant a 10-year guarantee on the high-temperature combustion furnace and the thermal conductivity detector cell of the thermal conductivity detector (TCD). With our long-term oriented dedication to technical support, we provide spare parts for a minimum of 10 years. This results in outstanding low total cost of ownership, giving you confidence in return of investment. 

Product details

The rapid N exceed is optimized for the analysis of:

  • nitrogen

  • protein

Maximum sample weight 

Up to 1.5 g

Element concentration range 

Large concentration range: 
N: up to 500 mg absolute, from ppm to 100 %

Precision 

< 0.05 % absolute (250 mg aspartic acid), depending on sample type, analysis mode, and configuration

Analysis time 

~ 3-4 min, depending on sample type

High-temperature combustion with 100 % recovery and detection of the released nitrogen. For nitrogen and protein “Dumas” analysis compliant with current ISO, EN, DIN, AOAC and other national and international standards.

Detector 

Thermal Conductivity Detector (TCD) 

Sample introduction 

Sample introduction via integrated 60, 80*, or 120* positions autosampler, reloadable during analysis.

Maximum furnace temperature 

1,200 °C 

Instrument control 

Windows® based rapid N exceed® operating software with LIMS integration and auto sleep and wake-up function for automated and unattended overnight operation. 21 CFR Part 11 functionality available. * 

Required gases 

carbon dioxide and oxygen

Dimensions 

48 x 55 x 57 cm (W x D x H)

* optionally available

Electronic balance

Balance and elemental analyzer form a system. We offer analytical balances from the leading manufacturers with our instruments. Please contact usfor further information.

Sample former and pressing tools

For simplified sample preparation, we offer a manual tool for compressing samples in tin foil or cups, and a mechanical press for the preparation of pellets with paper wrapping.

Capsule sealing press 

Tool for the exact dosing and gas-tight sealing of tin capsules for liquid samples. 

Downloads

Product flyer
Flyer rapid N exceed
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Determining the nitrogen content of diesel exhaust fluid
English
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Nitrogen analysis in tobacco
English
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N/protein analysis of liquid food products
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Analysis of nitrocellulose with the rapid N exceed®
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Determination of the N/protein content of animal feed with the rapid N exceed
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Determination of the N/protein content of grain products with the rapid N exceed
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Determining the nitrogen content in electrical insulation paper
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High precision nitrogen analyses in yeast samples with the rapid N exceed
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Nitrogen analyses in sludge with the rapid N exceed
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Front page of the Application Advice
Performing a leak test with the rapid N exceed® and rapid N cube
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Front page of the Application Advice
EAS WETSORBER® & EAS WETSORBER® S filling and operating instructions
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Front page of the Data Bulletin
Nitrogen determination of biopharmaceutical drug substances and excipients
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Dumas – A well-established method for N/protein analysis
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Easy maintenance for reliable operation of Elementar’s N/protein analyzers
English
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Helium-free, high performance N/protein analysis according to the Dumas principle
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Long-term accuracy of N/protein analysis utilizing the EAS REGAINER® technology
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Optimizing the oxygen dosing of the rapid N exceed®
English
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